fluid flow | Fluids Flow | May 16, 2021 | Engineers Edge

Engineering Design Data: Menu - fluid flow

Fluids Flow

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Selecting the Right Fan or Blower for Your Application

Sizing of fans and blowers is similar in process to that of pumps, where graphs are commonly used. The performance graph is usually a constant-speed plot with capacity on the X axis and a variety of performance factors on the Y axis. As part of the selection process, a graph of the system is also generated, with capacity as the X axis and head (energy loss in the system) on the Y axis.

Pressure Temperature Ratings for Pipe Flanges

(GPSA BOOK), Pressure- Temperature Ratings for Pipe Flanges, and Flanged Fittings from ANSI B16.5-1981

Allowable Working Pressure Carbon Steel and High Yield Strength Pipe

Carbon Steel and High Yield Strength Pipe, (Values apply to A106, API 5LX pipe having the same specified minimum yield strength as shown). per. FIG. 17-27 (GPSA BOOK) Gas Transmission and Distribution Piping Code for Pressure Piping ANSI B31.8-1982

Vacuum Pumping Speed per. ISO 21360-1 Formulas

Vacuum pump performance is rated in terms of throughput, pumping speed, and vacuum pressure capability. They are rated for either intermittent or continuous duty.

Aerodynamics Airfoil Theory Equations

The lift coefficient can be approximated by the equation, The drag coefficient may be approximated by

Wet Bulb Temperature Equation

The wet-bulb temperature, Twet, is a common humidity variable (e.g., Schwerdtfeger 1976, p 50ff.). A wetted thermometer will read lower than the ambient air temperature because of evaporation (but higher with condensation), and that rate of evaporation depends on the mixing ratio.

Wind Force Scales Beaufort Wind Scale, Saffir-Simpson Wind Scale, Fujita Wind Scale

Wind Force Scales: Beaufort Wind Scale, Saffir-Simpson Wind Scale, Fujita Wind Scale

Surface Tension of Water, Salt and Fresh

Vargaftik et al. (1983) tabulate consensus values for the surface tension of pure water for temperatures between 0°C and the critical temperature

Handbook of Physical Constants Use in Atmospheric Studies

Studies of geophysical boundary layers always require kinematic and thermodynamic constants for the fluids involved. The most obvious examples are for the fluid densities: air, pure water, seawater, and water vapor.

Fluid Mechanics and Machinery

The flow of ideal non-viscous fluids was extensively studied and mathematical theories were developed during the last century. The field of study was called as ‘Hydrodynamics’. However the results of mathematical analysis could not be applied directly to the flow of real fluids.

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