Posted inHeat & Mass Transfer CONDENSATION HEAT TRANSFER Posted by admin September 15, 2021 1) Condensation occurs when the temperature of a vapor is reduced below its saturation temperature a) It…
Posted inHeat & Mass Transfer FLOW BOILING Posted by admin September 15, 2021 1) In flow boiling, the fluid is forced to move by an external source such as…
Posted inHeat & Mass Transfer POOL BOILING Posted by admin September 15, 2021 1) Steps involved a) Early stages of boiling, some bubbles stick to the surface of the pan…
Posted inHeat & Mass Transfer BOILING HEAT TRANSFER Posted by admin September 15, 2021 1) Boiling is a liquid-to-vapor phase change process just like evaporation, but there are significant differences…
Posted inHeat & Mass Transfer THE EFFECTIVENESS–NTU METHOD Posted by admin September 15, 2021 1) This method is based on a dimensionless parameter called the heat transfer effectiveness 2) To determine…
Posted inHeat & Mass Transfer THE LOG MEAN TEMPERATURE DIFFERENCE METHOD Posted by admin September 15, 2021 ) a) The expressions in parallel-flow and counter-flow heat exchangers. b) For specified inlet and outlet temperatures, the…
Posted inHeat & Mass Transfer ANALYSIS OF HEAT EXCHANGERS Posted by admin September 15, 2021 1) Selecting a heat exchanger that will achieve a specified temperature change in a fluid stream of known mass…
Posted inHeat & Mass Transfer FOULING FACTOR Posted by admin September 15, 2021 1) The performance of heat exchangers usually deteriorates with time as a result of accumulation of deposits on…
Posted inHeat & Mass Transfer THE OVERALL HEAT TRANSFER COEFFICIENT Posted by admin September 15, 2021 2) In the analysis of heat exchangers, it is convenient to combine all the thermal resistances…
Posted inHeat & Mass Transfer RADIATION EXCHANGE WITH EMITTING AND ABSORBING GASES Posted by admin September 15, 2021 1) Gases that consist of monatomic molecules such as Ar and He and symmetric diatomic molecules such as N2 and O2 are essentially transparent…