Engineering, 27.07.2020 18:01 junahsisney
Problem 8:
A glass plate at 40°C is heated by passing hot air over it with a convection coefficient of 18 W/m2K. If the
temperature change over Imm thickness is not to exceed 5°C to avoid distortion damage, determine the
maximum allowable temperature of the air. Thermal conductivity of the plate material is 1.4 W/mK.
Answers: 1
Engineering, 03.07.2019 14:10, cowgyrlup124
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
Engineering, 04.07.2019 18:10, koolgurl2003
Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.
Answers: 1
Problem 8:
A glass plate at 40°C is heated by passing hot air over it with a convection coefficient...
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