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Fluids Calculator

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Fluid

Density:

Gas density calculator

Pressure:		R:		T
Density

Orifice

	Constant Area
Cd:		Area:		Units:	m^2mm^2in^2
Kv:		Radius (mm)	0
Cv:

Flow

	Constant Flow
Mass Flow Rate:		Volume Flow Rate:
Pressure Drop:

(1)$$C_{d}A=\frac{\dot{m}}{\sqrt{2\rho \mathrm{\Delta }P}}=\dot{Q}\sqrt{\frac{\rho }{2\mathrm{\Delta }P}}$$ Where $\dot{Q}$ is in $\frac{m^3}{s}$
(2)$$K_v=\dot{Q}\sqrt{\frac{S}{\mathrm{\Delta }P}}$$ Where $\dot{Q}$ is in $\frac{m^3}{h}$, so
(3)$$C_{d}A={\dot{Q}}_{seconds}\sqrt{\frac{\rho }{2\mathrm{\Delta }P}}=\frac{{\dot{Q}}_{hours}}{3600}\sqrt{\frac{\rho }{2S}}\sqrt{\frac{S}{\mathrm{\Delta }P}}=\frac{1}{3600}\sqrt{\frac{\rho }{2S}}{K}_v$$ (4)$$C_v=1.156K_v$$ From imperial units.

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