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Rheometer print that page

Rheometer

A rheometer is a laboratory device used to measure the way in which a liquid, suspension or slurry flows in response to applied forces. It is used for those fluids which cannot be defined by a single value of viscosity and therefore require more parameters to be set and measured than is

Acoustic rheometer print that page

modulus in terms of acoustic properties, sound speed V and attenuation α Acoustic rheometer measures sound speed and attenuation of ultrasound for a set of frequencies in megahertz range. These measurable parameters can be converted into real and imaginary components

wikipedia.org | 2010/9/25 22:23:36

Viscosity print that page

University_of_Queensland_Pitch_drop_experiment-6-2

Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction . For example, high-viscosity felsic magma will create a tall, steep stratovolcano , because it cannot flow far before it cools, while low-viscosity mafic lava will create a wide

Marsh funnel print that page

MarshFunnel

most common use is for drilling muds , which are non-Newtonian fluids , the Marsh funnel is not a rheometer , because it only provides one measurement under one flow condition. However the effective viscosity can be determined from following simple formula. [ 4 ] μ = ρ (t - 25) where

Category:Fluid dynamics print that page

Soap_bubbles1

This category has the following 13 subcategories, out of 29 total. A [ + ] Acoustical engineers (37 P) [ + ] Acoustics (5 C, 216 P) [ + ] Aerodynamics (9 C, 205 P) B [ + ] Boundary layers (1 C, 19 P) [ + ] Bubbles (8 P) C [ + ] Computational fluid dynamics (51 P

Viscometer print that page

Ubbelohde

a fluid . For liquids with viscosities which vary with flow conditions , an instrument called a rheometer is used. Viscometers only measure under one flow condition. In general, either the fluid remains stationary and an object moves through it, or the object is stationary and the fluid

Extensional viscosity print that page

where is the extensional viscosity or elongational viscosity is the normal stress : is the rate of strain : For a Newtonian Fluid , the elongational viscosity is three times the shear viscosity which can be derived using the continuity equation for incompressible fluids. [ edit

wikipedia.org | 2010/9/25 2:53:40

Spheronisation print that page

In addition to this the process is useful in several aspects to improve the product; it can simplify plant procedures and help to reduce costs. The process is well known and widely used in the pharmaceutical industries but its use is becoming increasing recognized in other areas of industrial

wikipedia.org | 2011/4/17 0:44:57

List of microfluidics research groups print that page

This list of microfluidics research groups gives a comprehensive overview of academic research organisations in the field of microfluidics , sorted geographically. Any sufficiently notable research group (which in general can be considered as any group having published in well regarded, high

wikipedia.org | 2011/10/3 19:46:35

Annular velocity print that page

complicated procedures and equipment for its determination. For drilling fluid applications a rheometer is used. [ edit ] See also Fluid Dynamics Drilling fluid Rheology Mud Engineer Petroleum Engineering Drilling rig Oilfield Oil well Oil field acronyms List of oilfield service

wikipedia.org | 2010/9/26 14:24:47