Recent questions tagged heat-transfer

A house looses heat at a rate of $150$ $\mathrm{MJ}$ per hour. The temperature outside the house is $-3{ }^{\circ} \mathrm{C}$. The minimum power (in $\mathrm{kW}$) requi...

For a given temperature difference between the top and bottom surfaces of a flat metal plate, Fourier's law of heat conduction implies thattemperature gradient increases ...

The useful heat gain in Watt (rounded off to one decimal place) of a solar flat plate collector using Hottel-Whillier-Bliss equation is $\_\_\_\_$.Assume:Collector heat r...

The surface temperature of a hot plate is $175^{\circ} \mathrm{C}$. The ambient air temperature is 25 ${ }^{\circ} \mathrm{C}$. The rate of heat transfer per unit area in...

\begin{tabular}{l|l}Q.149 & Identify the correct pair(s) of governing law with respective process operation. \\\hline& Stoke's law - Mass transfer \\\hline& Kirchhoff's l...

Q. 153 Cow milk is pasteurized at a flow rate of $1 \mathrm{~kg} . \mathrm{s}^{-1}$ in a counter-current heat exchanger using hot water as the heating medium. The milk en...