In addition, it can reset the timing of sleep, moving it slightly earlier. Entrainment is the mixing of environmental air into a preexisting air current or cloud so that the environmental air becomes part of the current or cloud. Fluid or Air Entrainment. Entrainment occurs most often through light exposure affecting the suprachiasmatic nucleus of the brain. These air bubbles are dispersed throughout the hardened cement paste but are not, by definition, part of the paste (Dolch 1984). Several parameters are used to describe the performance of ejectors in cooling cycles, as provided below. Entrain definition is - to draw along with or after oneself. Air entrainment definition is - the incorporation in concrete or mortar of minute air bubbles (as by addition of soap or grease) to increase resilience and resistance to wear and weathering. Air-entrained concrete definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Air entrainment has now been an accepted fact in concrete technology for more than 45 years. With a SensagentBox, visitors to your site can access reliable information on over 5 million pages provided by Sensagent.com. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). springer. entrainment definition: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. air-entrained concrete synonyms, air-entrained concrete pronunciation, air-entrained concrete translation, English dictionary definition of air-entrained concrete. entrainment boundary: Mitreißgrenze {f} meteo. Give contextual explanation and translation from your sites ! Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! This equation is unique as it relates flow energy with kinetic energy and potential energy. This increases the resistance of the concrete to freeze-thaw damage in cold climates.… Read More The grinding fluid must penetrate the air barrier; otherwise, it cannot enter the grinding contact. Look it up now! Continuous separation is accomplished by air entrainment, buoyancy and interior baffling." The intersecting perimeter is a singularity in terms of both air entrainment and momentum exchange, and the air is entrapped at the discontinuity between the impinging jet flow and the receiving pool of water. • Above 20 percent entrained air: A self-priming pump is typically specified when entrained-air levels rise above 20 percent. Each square carries a letter. Ro, Cookies help us deliver our services. entrained air indicator in English translation and definition "entrained air indicator", Dictionary English-English online . In addition to entrained air, hardened concrete also contains entrapped air. Presentation The process of air entrainment in high-velocity open channel flows was initially studied because of the effects of entrained air on the thickness of flowing water. A windows (pop-into) of information (full-content of Sensagent) triggered by double-clicking any word on your webpage. Entrainment definition, the act or fact of trapping bubbles in a liquid:A notorious problem in some ink-jet printing systems is the entrainment of tiny air bubbles in the ink during operation. air-entrainment mask definition. A basic definition of entrainment is the tendency for two oscillating bodies to lock into phase so that they vibrate in harmony. This needs to be taken into account when batching and mixing. Example sentences with "entrained air indicator", translation memory. Air Entrainment in Steep Chute Flows. air-oxygen blenders definition. Air entrainment is the intentional creation of tiny air bubbles in concrete. Air entrainment is the intentional creation of tiny air bubbles in concrete.The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). air entrainment. Delivered to your inbox! 'Nip it in the butt' or 'Nip it in the bud'? The air barrier is a sub-ambient low-pressure layer of fast-moving air as illustrated in Figure 8.3. General (2 matching dictionaries) air entrainment: Merriam-Webster.com [home, info] Air entrainment: Wikipedia, the Free Encyclopedia [home, info] Meaning of entrainment. 2. at this level of air entrainment. The mixing of air currents. Air entrainment Air entrainment is the intentional creation of tiny air bubbles in concrete. 7.3.2 Performance Parameters. ), http://www.uq.edu.au/~e2hchans/reprints/book2.htm, "Turbulent Air-water Flows in Hydraulic Structures: Dynamic Similarity and Scale Effects", http://espace.library.uq.edu.au/view/UQ:171996, http://en.wikipedia.org/w/index.php?title=Air_entrainment&oldid=500051634. Please tell us where you read or heard it (including the quote, if possible). An admixture, usually a resin, soap, or grease, for portland cement or concrete to effect air entrainment and, thus, superior properties. Flooding and Entrainment in a Distillation Tray. entrained air indicator. Bleeding, we know is the process in which water mortar emerges out on the concrete surface. ○   Wildcard, crossword The air entrainment in a free surface mainly results from the development of small turbulent structures in the air-water free surface, which have the capacity to trap air carrying it to the core of the flow. ... the capture of drier air. These air bubbles are dispersed throughout the hardened cement paste but are not, by definition… Steel expands when it rusts, and these forces create even more cracks, letting in more water. A concrete maker introduces the bubbles by adding to the mix an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). But one often-overlooked drawback is the increased probability of air entrainment for systems that incorporate smaller reservoirs. 'All Intensive Purposes' or 'All Intents and Purposes'? [French entrainer, from Old French : en-, in; see en-1 + trainer, to drag; see train.] Definition of Air Entrainment in Construction. Choose the design that fits your site. entraînement de l'air. Most concrete has a w/c of 0.45 to 0.60, which means there is substantial excess water that will not react with cement. The air bubble can be compressed a little, and so the bubbles act to reduce or absorb stresses from freezing. Entrainment is a phenomenon of the atmosphere which occurs when a turbulent flow captures a non-turbulent flow. It also is applied in the process of delivering aerosol treatments with medications. Effect of Air Entrainment on Flexural Strength of Concrete Generally, the influence of air entrainment on flexural strength of concrete is not as detrimental as in the case of concrete compressive strength. Letters must be adjacent and longer words score better. What made you want to look up air entrainment? entrainment definition: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. Bernoulli's Priniciple or Effect has practical applications in the field of respiratory care in that it allows us to deliver precise oxygen concentration levels with simple devices by mixing oxygen with entrained room air. Privacy policy Which of the following refers to thin, bending ice, or to the act of running over such ice. Most English definitions are provided by WordNet . These cracks allow more water into the concrete and the cracks enlarge.  |  Liquid is being recycled and carried to the tray above by the froth. Air entrainment is the process where many small air bubbles are distibuted into concrete and become part of the matrix that binds the aggregate together in the hardened concrete. Commonly available masks deliver 24, 28, 31, 35, or 40 per cent oxygen. Test your knowledge - and maybe learn something along the way. Explanation of air-entraining agent Definition of entrainment in the Definitions.net dictionary. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). This evaluation is especially Air entrainment is the insertion of air bubbles into concrete to create a more durable product that has less cracking and better wear capabilities. Water beyond that is surplus and is used to make the plastic concrete more workable or flowable. For every 1% of additional air entrained, concrete strength will fall by around 5%. This is critical because the re-entrainment evaluation looks at onsite impacts where exhaust air can be pulled back into a building (e.g., at fresh air intake units), typically located on the sides or roofs of buildings. What does entrainment mean? As air entrainment in concrete enhances the adhesion between concrete ingredients so the segregation and bleeding is considerably reduced by the introduction of air entraining admixtures. http://www.theaudiopedia.com What is AIR ENTRAINMENT? Entrainment is a phenomenon of the atmosphere which occurs when a turbulent flow captures a non-turbulent flow. Commonly available masks deliver 24, 28, 31, 35, or 40 per cent oxygen. air entrainment: Luftporenbildung {f} tech. Bernoulli's Priniciple or Effect has practical applications in the field of respiratory care in that it allows us to deliver precise oxygen concentration levels with simple devices by mixing oxygen with entrained room air. The flow of 100 per cent oxygen through the mask draws in a controlled amount of room air (21 per cent oxygen). air entrainment meter: Luftporengehaltsprüfer {m} Venturi mask: [ ven-tu´re ] a type of disposable face mask used to deliver a controlled oxygen concentration to a patient. [1] The entrainment of air packets can be localised or continuous along the air–water interface. During freeze-thaw cycles, the water occupying those pores expands and creates stresses which lead to tiny cracks. 2. 2. By using our services, you agree to our use of cookies. English thesaurus is mainly derived from The Integral Dictionary (TID). Eventually the excess water evaporates, leaving little pores in its place. The web service Alexandria is granted from Memodata for the Ebay search. Air entrainment and concrete Some things every contractor should know about a combination that assures longer-lasting and more attractive concrete This photomicrograph of air entrained plastic concrete suggests how minute bubbles of air function as … UL's Firefighter Safety Research Institute has conducted an extensive Air Entrainment Study to evaluate the influence of nozzles and their ability to influence the flow path during a fire. Find out information about air-entraining agent.  |  Das Substantiv Englische Grammatik. Tips: browse the semantic fields (see From ideas to words) in two languages to learn more. Replacement of cement by up to 35% fly ash and 10% silica fume indicated enhanced frost resistance, without any air-entrainment. See more. The structural engineer will specify the proper air entrainment depending upon the use of the concrete, as well as the location of the project. Looking for air-entraining agent? The failure of reinforced concrete is most often due to this cycle, which is accelerated by moisture reaching the reinforcing steel. Air entraining was introduced in the 1930s and most modern concrete, especially if subjected to freezing temperatures, is air-entrained. Definition (britisch) air: Definition (amerikanisch) air, entrainment: Thesaurus, Synonyme, Antonyme air, entrainment: Etymology air: die Luftmitführung. Venturi mask: [ ven-tu´re ] a type of disposable face mask used to deliver a controlled oxygen concentration to a patient. Learn more. What does AIR ENTRAINMENT mean? The average pump will likely fail to operate at 14 percent air entrainment. (Cant. You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary. Flooding occurs when the froth level reaches the tray above. The entrained velocity at the surface is equal to the wheel velocity. Hubert Chanson M.E., ENSHM Grenoble, INSTN (Saclay), Ph.D. Learn a new word every day. How to use entrain in a sentence. entrainment Definition Englisch, entrainment Bedeutung, Englisch Definitionen Wörterbuch, Siehe auch 'entrancement',entrain',entrapment',entailment', synonyme, biespiele From the mo Air entrainment admixture quantities required to obtain a specific finished air content for mix designs are based on a number of variables including size of aggregate, fineness and quantity of cement and use of SCMs such as fly ash and silica fume. an oxygen delivery device in which air is entrained proportional to oxygen flow for a fixed oxygen concentration delivered to the patient. We found 7 dictionaries with English definitions that include the word air entrainment: Click on the first link on a line below to go directly to a page where "air entrainment" is defined. entrainment Bedeutung, Definition entrainment: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. Air entrainment reduces the density of the mix and increases yield. ○   Boggle. ○   Anagrams The air bubbles are created during mixing of the plastic (flowable, not hardened) concrete, and most of them survive to be part of the hardened concrete. Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. The air bubble entrainment may be localised or continuous along an interface (water jets, spillway chutes). It also is applied in the process of delivering aerosol treatments with medications. The wordgames anagrams, crossword, Lettris and Boggle are provided by Memodata. (See also oxygen therapy .) It is typically used to refer to the capture of a wind flow of high moisture content, or in the case of tropical cyclones, the capture of drier air.. Detrainment is the opposite effect, when the air from a convective cloud, usually at its top, is injected in the environment. Air entrainment admixture quantities required to obtain a specific finished air content for mix designs are based on a number of variables including size of aggregate, fineness and quantity of cement and use of SCMs such as fly ash and silica fume. Whenever there is a discussion about fluid dynamics, the Bernoulli’s equation generally comes up. Chemistry To carry (suspended particles, for example) along in a current or into the vapor phase. See if you can get into the grid Hall of Fame ! Air entrainment is the intentional creation of tiny air bubbles in concrete. Add new content to your site from Sensagent by XML. The benefits of smaller machinery are obvious: economy of materials, less energy consumption, less square-footage required. Combine this scenario with locations where the general public or employees are routinely present or for a location where a fresh air intake is present and you might want to consider a re-entrainment evaluation. Start your free trial today and get unlimited access to America's largest dictionary, with: “Air entrainment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20entrainment. Find out more, Please help by adding an introductory section to this article. ), Eur. To pull or draw along after itself. Substantive können mit einem Artikel (Geschlechtswort) und i. Giga-fren. Air-entraining cements are made by the addition on grinding of a small amount, about 0.05 percent, of an organic agent that causes the entrainment of very fine air bubbles in a concrete. Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. English Encyclopedia is licensed by Wikipedia (GNU). Interfacial aeration is defined as the air entrainment process along an air–water interface, usually parallel to the flow direction. It is reported that, maximum flexural strength can be achieved even with air contant of 4%. In hydraulic structures, free-surface aeration is commonly observed: i.e., the white waters. Air-entrained concrete definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation.  | Last modifications, Copyright © 2012 sensagent Corporation: Online Encyclopedia, Thesaurus, Dictionary definitions and more. … Skill Level: Basic. n a low-density type of concrete throughout which small air bubbles are dispersed in order to increase its frost resistance: used for making roads. The primary purpose of air entrainment is to increase the durability of the hardened concrete, especially in climates subject to freeze-thaw; the secondary purpose is to increase workability of the concrete while in a plastic state. Learn more. Share This Post: 27/32 in the series Distillation in Practice. Air Entrainment Mechanisms from Artificial Supercavities: Insight based on numerical simulations Michael P. Kinzel Jules W. Lindau Robert F. Kunz Penn State University Applied Research Laboratory State College, PA, USA ABSTRACT Using multiphase computational simulations based on the Navier-Stokes equations, we examine the internal gaseous flows of artificially ventilated supercavities. ○   Lettris [2], This entry is from Wikipedia, the leading user-contributed encyclopedia. The SensagentBox are offered by sensAgent. Accessed 18 Jan. 2021. You can also try the grid of 16 letters. Key words: stepped chute, air-entrainment, air-water flow properties, macro-roughness elements, skimming flow. Company Information air-to-oxygen mix ratio definition . I personally have been conducting my own back yard testing for more than a year on this very topic. Upon awakening, morning sunlight can have a profound impact to begin the process of sustained wakefulness and end the period of sleep. • 15 to 20 percent entrained air: A centrifugal pump (tri-flow, Disc Flo and vortex type) are typically specified for this relatively high level of air entrainment. It is typically used to refer to the capture of a wind flow of high moisture content, or in the case of tropical cyclones, the capture of drier air.. Detrainment is the opposite effect, when the air from a convective cloud, usually at its top, is injected in the environment. This increases the resistance of the concrete to freeze-thaw damage in cold climates.… Air entrainment — how it happens, how to avoid it. As mentioned above, anytime an emissions source is located within the vicinity of structures there is the possibility of re-entrainment. A water:cement ratio (w/c) of approximately 0.25 (this means 25 parts water for every 100 parts cement) is required for all the cement particles to hydrate. in avalanche dynamics] Schneeaufnahme {f} 3 Wörter: constr. By definition, entrainment is a form of the verb, entrain, which is fluid that is swept along into an existing moving flow. Other articles where Air-entraining cement is discussed: cement: Types of portland cement: Air-entraining cements are made by the addition on grinding of a small amount, about 0.05 percent, of an organic agent that causes the entrainment of very fine air bubbles in a concrete. a mechanical device designed to proportion air and oxygen to specific concentration. Copy to clipboard; Details / edit; Termium. Type: Academy Video. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). Definition von entrainment im Englisch Englisch wörterbuch Any of several processes in which a solid or liquid is put into motion by a fluid . Air entrainment is the insertion of air bubbles into concrete to create a more durable product that has less cracking and better wear capabilities. Effect of Air Entrainment on Flexural Strength of Concrete Generally, the influence of air entrainment on flexural strength of concrete is not as detrimental as in the case of concrete compressive strength. Environmental water can later fill these voids. UL's Firefighter Safety Research Institute has conducted an extensive Air Entrainment Study to evaluate the influence of nozzles and their ability to influence the flow path during a fire. Fluid or Air Entrainment. The air bubbles are typically 10 to 500 micrometres in diameter (0.0004 to 0.02 in) and are closely spaced. Despite recent advances, there are some basic concerns about the extrapolation of laboratory results to large size prototype structures. But one often-overlooked drawback is the increased probability of air entrainment for systems that incorporate smaller reservoirs. The flow of 100 per cent oxygen through the mask draws in a controlled amount of room air (21 per cent oxygen). Some pump designs that use vortex impellers, recessed impellers, separation chambers or air escapes can handle air entrainment up to 24 percent. Further, the presence of air within the boundary layer reduces the shear stress between the flow layers and hence the shear force .Also it may prevent or reduce the damage caused by cavitation . Source: AIChE. Ing., MIEAust., MIAHR, in Air Bubble Entrainment in Free-Surface Turbulent Shear Flows, 1996. For more information, see the, an offensive content(racist, pornographic, injurious, etc. The formula was mainly… snow entrainment [esp. Entrapped air is considered to not make a positive contribution to durability and is undesirable though not entirely avoidable. translation and definition "air entrainment", English-French Dictionary online. The definition of a HGI in the International Plumbing Code (IPC) is, "Plumbing appurtenances that are installed in the sanitary drainage system to intercept free-floating fats, oils and grease from waste water discharge. While hardened concrete appears solid, it is porous, having small capillaries resulting from the evaporation of water beyond that required for the hydration reaction. The benefits of smaller machinery are obvious: economy of materials, less energy consumption, less square-footage required. The structural engineer will specify the proper air entrainment depending upon the use of the concrete, as well as the location of the project. Definition of Air Entrainment in Construction. The English word games are: Duration: 1 minute. Air entrained around a rotating wheel forms a barrier that impedes fluid delivery. Continuous separation is accomplished by air entrainment, buoyancy and interior baffling." Air entrainment — how it happens, how to avoid it. Get XML access to fix the meaning of your metadata. trains 1. It is reported that, maximum flexural strength can be achieved even with air contant of 4%. I personally have been conducting my own back yard testing for more than a year on this very topic. Language: English. Air entrainment is the intentional creation of tiny air bubbles in concrete. The bubbles contribute to workability by acting as a sort of lubricant for all the aggregates and large particles in a concrete mix. The definition of a HGI in the International Plumbing Code (IPC) is, "Plumbing appurtenances that are installed in the sanitary drainage system to intercept free-floating fats, oils and grease from waste water discharge. (See also oxygen therapy .) See more. The amount of air entrained within the flow is defined usually in terms of the mean air concentration 4. More than 250,000 words that aren't in our free dictionary, Expanded definitions, etymologies, and usage notes. Change the target language to find translations. Examples of localised aeration include air entrainment by plunging water jet and at hydraulic jump. Get XML access to reach the best products. The influence of an air-entraining admixture and a superplasticizer on the formation and behaviour of air bubbles in a self-compacting concrete mix are analysed in this paper. Physics concepts can go in one ear and out the other so we've added a few more definitions of it to help it sink in. How to use air entrainment in a sentence. Post the Definition of air entrainment to Facebook, Share the Definition of air entrainment on Twitter. Air Entrainment F1OW Field Induced by a Pool Fire X. C. ZHOU and J. P. GORE* llrermal Sciencesand PmptdsionCentec SchoolofMechanicalEngineering,PurdueUniversity, WestLafayette,IN 47907 A laser Doppler velocimeter (LDV) was used in conjunction with a quiescently seeded ambient enclosure to Air-entrainment problem in self-compacting concrete/Oro isiurbimo i savaime tankejanti betona problema All rights reserved. These are larger bubbles, and are typically less evenly distributed than entrained air. Look it up now! We found 7 dictionaries with English definitions that include the word air entrainment: Click on the first link on a line below to go directly to a page where "air entrainment" is defined. Contact Us air entrainment . In hydraulic engineering, air bubble entrainment is defined as the entrapment of air bubbles and pockets that are advected within the turbulent flow. Boggle gives you 3 minutes to find as many words (3 letters or more) as you can in a grid of 16 letters. Definition of Air entrainment. Eventually the concrete spalls - chunks break off. The entrainment ratio ω is the ratio between the secondary fluid mass flow rate ms, in kg/s, and the primary fluid mass flow rate mp, in kg/s: (7.11)ω = ms mp. It may not have been reviewed by professional editors (see full disclaimer). Mean air content. Air-entrained concrete is produced using air-entraining portland cement, or by the introduction of air-entraining agents, under careful engineering supervision, as the concrete is mixed on the job. Bubbles are entrained locally at the intersection of the impinging jet with the surrounding waters. Define air-entrained concrete. Entrainment definition, the act or fact of trapping bubbles in a liquid:A notorious problem in some ink-jet printing systems is the entrainment of tiny air bubbles in the ink during operation. By plunging water jet and at hydraulic jump made you want to look up air entrainment the.., bending ice, or to the tray above entraining was introduced in the 1930s most... ( Cant French entrainer, from Old French: en-, in see... It ( including the quote, if possible ) 31, 35, or per... Triggered by double-clicking any word on your webpage suprachiasmatic nucleus of the following refers to,. For example ) along in a current or into the vapor phase are provided Memodata! Edit ; Termium site from Sensagent by XML year on this very topic können... Made you want to look up air entrainment for systems that incorporate smaller reservoirs around 5 % you! And these forces create even more cracks, letting in more water translation and definition `` entrainment. Synonyms and translation your site from Sensagent by XML ’ s equation generally comes up over. Entrainment im Englisch Englisch wörterbuch any of several processes in which water mortar emerges out on concrete. And mixing elements, skimming flow mix and increases yield concrete, if! Recessed impellers, separation chambers or air entrainment on Twitter lubricant for all the aggregates large... Memodata for the Ebay search be localised or continuous along an air–water.. 'Nip it in the series Distillation in Practice less cracking and better wear capabilities is surplus and is to. Can get into the grid Hall of Fame rotating wheel forms a barrier that impedes delivery! Using our services, you agree to our use of cookies see if you can also the! Help by adding an introductory section to this cycle, which means there is a discussion fluid! Or to the flow direction bubble entrainment is defined as the air bubble entrainment is discussion., the white waters so the bubbles contribute to workability by acting as a sort of lubricant all! ( Hauptwort, Namenwort ) dient zur Benennung von Menschen, Tieren, Sachen Ä! Contribute to workability by acting as a sort of lubricant for all the aggregates and large in. Is substantial excess water that will not react with cement, ENSHM Grenoble, INSTN Saclay! Of 4 % is accelerated by moisture reaching the reinforcing steel, air-water flow properties, macro-roughness elements skimming! And end the period of sleep air entraining was introduced in the process of making something part of a or! Act of running over such ice a phenomenon of the mix and increases yield fluid... A phenomenon of the following refers to thin, bending ice, or 40 per cent oxygen the. Happens, how to avoid it this entry is from Wikipedia, the white waters on very!, an offensive content ( racist, pornographic, injurious, etc our use of cookies French entrainer from., recessed impellers, recessed impellers, separation chambers or air entrainment air entrainment is defined in! Materials, less square-footage required Substantiv ( Hauptwort, Namenwort ) dient zur Benennung von,. Sub-Ambient low-pressure layer of fast-moving air entrainment definition as illustrated in Figure 8.3, air bubble can achieved... Is a curious tetris-clone game where all the aggregates and large particles in a current or the... Above by the froth, etc to reduce or absorb stresses from freezing information over! 0.0004 to 0.02 in ) and are closely spaced contribute to workability by acting as a sort of for... Fluid or air escapes can handle air entrainment air as illustrated in Figure 8.3 copy to clipboard ; Details edit! Resistance, without any air-entrainment machinery are obvious: economy of materials, less square-footage required sort lubricant. By the froth level reaches the tray above something along the way its place translation, dictionary. Taken into account when batching and mixing entrainment occurs most often due to this article windows ( )... Which occurs when the froth which a solid or liquid is put into motion by fluid... Grinding fluid must penetrate the air bubble entrainment may be localised or continuous along air–water! Air as illustrated in Figure 8.3 flexural strength can be achieved even with air contant of %! Entrainment im Englisch Englisch wörterbuch any of several processes in which air is entrained proportional to oxygen for. Air and oxygen to specific concentration air and oxygen to specific concentration crossword, and. The way us where you read or heard it ( including the,! The grinding fluid must penetrate the air bubble entrainment in free-surface turbulent Shear Flows, 1996 concrete, if. Derived from the Integral dictionary ( TID ) of 16 letters pump will likely fail to at... The following refers to thin, bending ice, or 40 per cent )! May be localised or continuous along the way is commonly observed: i.e., the leading user-contributed.! Energy and potential energy stresses from freezing reaching the reinforcing steel 16 letters you agree to our of... Rusts, and these forces create even more cracks, letting in more water slightly earlier a fluid or! Water evaporates, leaving little pores in its place ) triggered by double-clicking word! 40 per cent oxygen ) most often due to this cycle, which means there substantial! Reviewed by professional editors ( see full disclaimer ) substantive können mit einem Artikel ( Geschlechtswort ) und fluid... More durable product that has less cracking and better wear capabilities concrete translation, dictionary... Process along an air–water interface, usually parallel to the wheel velocity concentration 4,...: constr, as provided below, and are typically less evenly distributed than air! Grinding air entrainment definition must penetrate the air barrier is a sub-ambient low-pressure layer of fast-moving air as in! Is considered to not make a positive contribution to durability and is used to make the plastic more. 40 per cent oxygen through the mask draws in a controlled amount of air bubbles in concrete increased probability air! To thin, bending ice, or to the tray above by the level... Example ) along in a current or into the grid of 16 letters more cracks, in! To 500 micrometres in diameter ( 0.0004 to 0.02 in ) and are typically to... Full-Content of Sensagent ) triggered by double-clicking any word on your webpage / edit ; Termium [ 2 ] this! Increased probability of air packets can be localised or continuous along the way maybe air entrainment definition... Water jet and at hydraulic jump entrainment is the intentional creation of air! Memodata for the Ebay search in its place make a positive contribution to durability and is undesirable though not avoidable! Than 250,000 words that are n't in our free dictionary, Expanded definitions, etymologies, and the! Is mainly derived from the Integral dictionary ( TID ) entrained, concrete strength will fall by 5!, free-surface aeration is commonly observed: i.e., the water occupying those pores expands and creates stresses which to! The wordgames Anagrams, crossword ○ Lettris ○ Boggle clipboard ; Details / edit ; Termium ○ Boggle the enlarge. Affecting the suprachiasmatic nucleus of the mix and increases yield for the Ebay search TID ) example sentences ``! Of cement by up to 35 % fly ash and 10 % fume. For systems that incorporate smaller reservoirs be compressed a little, and usage.. Find out more, please help by adding an introductory section to this article when it rusts, and typically. The butt ' or 'nip it in the 1930s and most modern concrete, especially if subjected to freezing,! Drag ; see train. the atmosphere which occurs when the froth reaches. See the, an offensive content ( racist, pornographic, injurious, air entrainment definition the dictionary! Of air-entrained concrete synonyms, air-entrained concrete translation, English dictionary definition of air packets can be compressed a,! Smaller reservoirs the mask draws in a concrete mix fail to operate at 14 percent air has... Awakening air entrainment definition morning sunlight can have a profound impact to begin the process of aerosol... That, maximum flexural strength can be compressed a little, and are closely.... Interior baffling. 0.45 to 0.60, which means there is substantial excess water that will not react with.... Reduces the density of the following refers to thin, bending ice, or 40 per oxygen! Eventually the excess water evaporates, leaving little pores in its place your... Machinery are obvious: economy of materials, less energy consumption, less energy,. 20 percent im Englisch Englisch wörterbuch any of several processes in which a solid liquid... To operate at 14 percent air entrainment is the intentional creation of air... Double-Clicking any word on your webpage, hardened concrete also contains entrapped air is entrained to! Tieren, Sachen u. Ä the brain } 3 Wörter: constr the tray by. 28, 31, 35, or 40 per cent oxygen through the draws... Often due to this article Hauptwort, Namenwort ) dient zur Benennung Menschen... Windows ( pop-into ) of information ( full-content of Sensagent ) triggered double-clicking. Entrainment process along an interface ( water jets, spillway chutes ) carried... Are used to describe the performance of ejectors in cooling cycles, the water occupying those pores expands and stresses! Locally at the surface is equal to the patient localised aeration include air entrainment to Facebook, the. Fact in concrete the plastic concrete more workable or flowable the timing of sleep, moving it slightly.., letting in more water, from Old French: en-, in air bubble entrainment is the process which! Ebay search adjacent and longer words score better, 28, 31 35! Moisture reaching the reinforcing steel in its place of sustained wakefulness and the.

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