Phase Change Heat Exchanger

4. Condensers and Boilers Heat exchangers using a two-phase heat transfer system are condensers, boilers and evaporators. Condensers are instruments that take and cool hot gas or vapor to the point of condensation and transform the gas into a liquid form.

Against this background, the thermalwall phasechange heat exchanger has emerged.Longdistance heat exchange between heat exchange fluids in contact with the thermal walls is realized through the phasechange fluid inside the thermal walls.

Phase change heat exchangers are quite attractive in this regard, as they can transfer process heat more eciently than for the single phase due to the advantage of high-enthalpy transport that includes the sensible heat of liquid, the latent heat of vaporization, and possible vapor superheat.

NPTEL Video Course : NOC:Heat Exchangers: Fundamentals and Design Analysis. Lecture 36 - Phase change heat exchangers.

The cooling system in the heat exchanger consists of fin fans, condensers, and chillers. Fin fans are performed to meet the need for blowing hot tubes to keep them cool efficiently. The function of the condenser is to cool the objects until there is a phase change from gas to liquid.

This video is to shows homeowners what a cracked heat exchanger looks like, the replacement heat exchanger and the labor intensity to change out a heat excha...

Spiral heat exchangers (SHEs) have superior heat transfer characteristics and are less susceptible to fouling. Further, heat losses to surroundings are minimized because of its compact configuration. SHEs have never been examined for phase-change heat transfer applications.

8. Phase-change heat exchanger. 9. The first hot water circulating pump.If the heat from the phase-change material is inadequate to meet the heat demand, additional heat is supplied by the auxiliary electric heater.

The phase change temperature of the used PCM is started at 170 o C and completed at 190C. Thermal energy storage is a rectangular container which consists of a fin tube heat exchanger and the charged PCM.