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Thermal Engineering Formulas
Thermal engineering involves the study of heat transfer, thermodynamics, and fluid mechanics
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Convection:
Q = hA(Ts - T∞)
where Q is the heat transfer rate, h is the convective heat transfer coefficient, A is the surface
area, Ts is the surface temperature, and T∞ is the surrounding fluid temperature
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Thermodynamics:
First Law of Thermodynamics (Energy Conservation):
ΔU = Q - W
where ΔU is the change in internal energy of a system, Q is the heat transfer to the system, and
W is the work done by the system
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Ideal Gas Law:
PV = nRT
where P is the pressure, V is the volume, n is the number of moles of gas, R is the ideal gas
constant, and T is the absolute temperature
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5ρv1^2 + ρgh1 = P2 + 0
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Reynolds Number:
Re = (ρvd)/μ
where Re is the Reynolds number, ρ is the fluid density, v is the fluid velocity, d is the
characteristic length, and μ is the dynamic viscosity
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These are just a few examples of formulas used in thermal engineering
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