Mechanical Engineering Cheat Sheet, Cheat Sheet of Mechanical Engineering

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Mechanical Engineering Cheat Sheet

Mechanical Engineering Cheat Sheet Air to Cloth Ratio Formula Q a Q — volumetric air flow rate in m3 /s A-—total cloth area of filter inm? v — air clothratio m/s Area Thermal Expansion Coefficient Formula 1 AA A AT @, — area thermal expansion coef ficient A —area of the object in m? AA — change in area in m? a, AT — change in temperature in kelvin Barlow’s Formula for Pipe p — 2st ~ D P —pressure in kPa 5 —stressin MPa t — wall thickness in m D — outside diameter inm