Analysis of supercritical carbon dioxide heat exchangers in cooling process
2006 (English)Conference paper (Refereed)
Carbon dioxide transcritical cycles have become more and more investigated during the last decade. For all systems operating with such a cycle, there will be at least one heat exchanger to either heat or cool the supercritical carbon dioxide. Unlike in the sub-critical region, the supercritical carbon dioxide’s thermophysical properties will have sharp variations in the region close to its critical point. This variation has a significant influence on the shape of the heat exchanger’s temperature profile and the heat transfer performance of the heat exchanger. Therefore, the performance of the heat exchanger used for supercritical carbon dioxide cooling or heating process should be evaluated by taking this effect into account. This paper discusses the heat exchangers used for supercritical carbon dioxide refrigeration process including a suction gas heat exchanger in the cycle. Engineering Equation Solver (EES)1 and Refprop 7.02 are used for cycle calculations and for properties calculations.
Place, publisher, year, edition, pages
Purdue University Press, 2006.
IdentifiersURN: urn:nbn:se:kth:diva-50263OAI: oai:DiVA.org:kth-50263DiVA: diva2:461427
International Refrigeration and Air Conditioning Conference at Purdue, July 17-20, 2006
QC 201112062011-12-062011-12-042011-12-07Bibliographically approved