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Thursday, January 7, 2010

CFD Tools : Online Calculators

I came across this nice posting wherein the author provides users with cool calculators for fluid mechanics applications.

Link: http://www.ajdesigner.com/index_fluid_mechanics.php

Some of the calculations possible with this calculator include acoustic flow meter, bernoulli eqn, cavitation, cauchy formulation, darcy's eqn, manning effects, friction head loss computation, prandtl design calc, venturi -pump-water hammer effects..just to name a few....I would definitely like to bookmark such pages as they come in handy when I require quick estimation of flow parameters !!

Also, I found quite good fluid flow estimators with applets in the efluid site

http://www.efluids.com/efluids/pages/calculators.htm

Other websites containing such nice calculators for quick-off the shelf numbers....

Especially for venturi, orifice, pipe calculations

FreeCalc.com

Flowmeterdirectory.com/flowmeter_flow_calc.html

LmnoEng.com/darcy.htm

eFunda.com/formulae/fluids/calc_orifice_flowmeter.cfm

EngineersEdge.com/calculators.htm

Flow estimation

AOE.vt.edu/~devenpor/aoe5104/ifm/ifminfo.html - the famous ideal flow machine with online java applet

Combustion, Fuels - Thermal estimations

Depcik.com/eduprograms/aftp.htm

CES.ca.uky.edu/energy/calculators/Energy.../index.htm

For compressible flow calculations

ChEresources.com/high_dp_orifice_flow.shtml

While initializing a domain estimations like hydraulic diameter, continuity, venturi effects are very important to obtain nice solutions. Ofcourse, one could make a big error in initializing and the solution can correct itself ..but how about providing a nice initial estimation - close to the actual numbers !

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