entrained air

entrained air

Microscopic air bubbles intentionally incorporated in mortar or concrete during mixing, typically 10 to 1,000 in diameter and nearly spherical.
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In addition to accurately measuring liquid, it can be used in applications with entrained air, non-Newtonian fluids, viscous and abrasive fluids, slurries and gases, www.
Similar to entrained air, they provide stress relief zones for the expansion of freezing water within concrete, imparting long-term durability.
While not directly related to mixing, entrained air may put limitations on the type of mixing design that can be used.
One of the more challenging aspects of formulating water-based coatings is in the selection of a foam control additive package and evaluating its effect on the ability of the formulation to resist and release entrained air.
It is a non-rebreathing ventilator designed to deliver the driving gas with or without entrained air to the patient.
Currently, there are no studies to show acceptable tolerances for entrained air, and depending on the application that the membrane is used for; the membrane with minimal amounts of entrained air could still be adequate.
However, both SCC and ordinary concrete must need air-entraining admixture (AEA) to obtain entrained air content for enhanced durability or extended service life in freezing and thawing environment.
These defoamers are well-suited for eliminating tough surface foam and entrained air generated during the letdown stage of ink production and during application.
The Filling Mass Transmitter can handle extremely fast fills (less than one second) and challenging fluids such as those with entrained air, suspended solids, or high viscosity.
The Filling Mass Transmitter can handle extremely fast fills and challenging fluids such as those with entrained air, suspended solids, or high viscosity.
The mixer transitions the plasticised coal to a vacuum chamber where entrained air is removed as it progresses through to extrusion.
In addition, they demonstrated that the entrained air and infiltrated air are not essentially identical since not all the entrained air can infiltrate into the RAG (Return Air Grille) and/or onto the shelves after the initial mixing in the air curtain.