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The flow coefficient of a device is a relative measure of its efficiency at allowing fluid flow. It describes the relationship between the pressure drop across an orifice valve or other assembly and the corresponding flow rate. Mathematically the flow coefficient C v (or flow-capacity rating of valve) can be expressed as
C v, the flow coefficient, used to determine the pressure-drop across an element in fluid flow applications c v , the specific heat of a material at constant volume Calorific value , the amount of heat released during the combustion of a substance
The equation shows that flow rate (Q) through a rigid tube is a function of the inner radius (r), the length of the tube (L), and the viscosity of the fluid (μ). The flow is directly related the fourth power of the inner radius of the tube, and inversely related to the length of the tube and viscosity of the fluid.
coefficient of thermal expansion: CTEPH: Chronic thromboembolic pulmonary hypertension: CTO: chronic total occlusion Community Treatment Order (psychiatric term for forced drugging outside hospital context) CTP: cytosine triphosphate cytidine triphosphate Child–Turcotte–Pugh score clear to percussion: CTPA: computed tomographic pulmonary ...
In a nozzle or other constriction, the discharge coefficient (also known as coefficient of discharge or efflux coefficient) is the ratio of the actual discharge to the ideal discharge, [1] i.e., the ratio of the mass flow rate at the discharge end of the nozzle to that of an ideal nozzle which expands an identical working fluid from the same initial conditions to the same exit pressures.
In fluid dynamics, the pressure coefficient is a dimensionless number which describes the relative pressures throughout a flow field. The pressure coefficient is used in aerodynamics and hydrodynamics. Every point in a fluid flow field has its own unique pressure coefficient, C p. In many situations in aerodynamics and hydrodynamics, the ...
AFAIK volumetric flow coefficient Cv is defined by volumetric flow / root of pressure drop. the formula with specific gravity refers to Cm - mass flow coefficient. — Preceding unsigned comment added by 132.68.22.156 ( talk ) 12:28, 21 June 2011 (UTC) [ reply ]
A Reynolds number of less than 2300 is laminar fluid flow, which is characterized by constant flow motion, whereas a value of over 4000, is represented as turbulent flow. [16] Due to its smaller radius and lowest velocity compared to other vessels, the Reynolds number at the capillaries is very low, resulting in laminar instead of turbulent flow.