Príspevok

Injector refrigerant circulation for enhancing heat efficiency of air coolers with uneven heat load distribution

DOI: 10.18462/iir.compr.2021.0432

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Sekcia: Ejectors and centrifugal compressors 1

Stav prijatia: Príspevok prijatý

Autori
Meno Organizácia  
Mykola Radchenko, D.Sc Admiral Makarov National University of Shipbuilding, Mykolayiv, Ukraine
Andrii Radchenko, Ph.D Admiral Makarov National University of Shipbuilding, Mykolayiv, Ukraine
Dariusz Mikielewicz, D.Sc Gdansk University of Technology, Gdansk, Poland
Veniamin Tkachenko Admiral Makarov National University of Shipbuilding, Mykolayiv, Ukraine
Oleksii Zielikov Admiral Makarov National University of Shipbuilding, Mykolayiv, Ukraine

Abstrakt

As alternative approach of the heat load modulation in air conditioning systems there is a concept of incomplete refrigerant evaporation with overfilling air coils that leads to excluding a dry-out of inner surface of air coils and is realized through liquid refrigerant recirculation by injector (jet pump) is developed.
A realization of proposed concept allows also to solve the problem of uneven refrigerant distribution in inlet manifolds (heads) for microchannel heat exchangers or between refrigerant coils (tubes, microchannel plates) and of uneven outside air heat loads on refrigerant coils by over filling all the channels through liquid refrigerant jet recirculation that provides excluding the final stage of refrigerant evaporation with low intensity of heat transfer.

Kľúčové slová

Air Cooler, Heat Load, Refrigerant Circulation, Injector