Heat Transfer Equations
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The most useful resource I had earning my PE was a book of equations that was a companion to HP48 equation library. I didn't use the built in libray much, but the book of equations was an invaluable resource, and I still occasionaly use it as a resource. It is borken down into various engineering subcategories. I intend to have each of the catgories done wih XLC, but this file includes:
Heat Transfer 45 equations in these categories: Coefficent of Heat Transfer, Film Coefficent, Heat Exchanger, Heat Flow Through Various Shapes, Radiant Heat Flow
All formulas pull from a common set of variables
A ft Area c Btu/lbm Specific Heat D ft Outside Diameter D ft Inside Diameter EE= F None Shape Factor F None Correction Factor F None Emmissivity Factor h Btu/hr Film Coefficent h Btu/lbm Enthalpy h Btu/hr Outside Film Coefficent h Btu/lbm Enthalpy h Btu/lbm Enthalpy h Btu/lbm Enthalpy of Vaporization h Btu/hr Inside Film Coefficent h Btu/hr Outside Film Coefficent K Btu/hr Thermal Conductivity K Btu/hr Thermal Conductivity K Btu/hr Thermal Conductivity K Btu/hr Thermal Conductivity K K L ft Thickness L ft Thickness L ft Thickness L ft Thickness LMTD= ºF Log Mean Temp. Difference m lbm Mass n None Coefficent (turbulent heat flow through pipe) N None Prandtl Number N None Reynolds Number q Btu/hr Heat Flow q r None Transient Heat flow time constant r ft Outer Radius r ft Inner Radius r ft Insulated Pipe's Total Radius t ºF Cold Fluid Outlet Temperature T ºF Temperature T ºF Temperature ΔT ºF Temperature ΔT ºF Temperature Δt= ºF Temperature t ºF Cold Fluid Inlet Temperature T ºF Thermalcouple Probe Temperature t ºF Surface Temperature t ºF Saturated Vapor Temperature T ºF Wall Temperature T U Btu/hr Overall Heat Transfer Coefficent U Btu/hr Pipe's outside Heat Tranfer Coefficent v Δh= μ lbf Absolute Viscosity ρ lbm/ft Body's Density ρ lbm/ft Liquid Density ρ lbm/ft Vapor Density T ºF Temperature T ºF Temperature
- Submitted By:
- Scott Peach (peachsb)
- Submitted On:
- 11 Apr 2012
- File Size:
- 432.60 Kb
- File Version:
- File Author:
- Scott Peach