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К.А. Апсит, С.И. Хуциева, А.Н. Паркин, В.А. Воронов
10
Test bench for researching of the mixing heat-exchanger-
evaporator of the low grade power plant
©
K.A. Apsit, S.I. Khutsieva, A.N. Parkin, V.A. Voronov
Bauman Moscow State Technical University, Moscow, 105005, Russia
The article describes a method and equipment for experimental research of heat and
mass transfer in a mixing apparatus, where heat exchange occurs at the interface of the
two phases. The process is necessary for heat transfer to the boiling substance. The effi-
ciency of heat transfer in the investigated device structure is higher than in devices im-
plementing heat transfer through the wall. In the case of mixing heat exchangers it is
possible to achieve close to zero under recuperation. Due to the complexity of the math-
ematical model describing the process of boiling in a mixing apparatus, this process is
poorly understood. The studied process can be used in all industries that require the heat
transfer to the boiling liquid.
The test bench for the qualitative observation of the hydro-
carbon evaporation in the environment of a hot heat-exchange liquid is designed and
manufactured. The setup involves the ability to test different types of heat exchangers in
order to assess their efficiency. The technique of the experiment carrying out on the ex-
pected steam expanding organic Rankine cycle operating parameters is developed.
Keywords:
mixing heat exchanger, organic Rankine cycle, heat exchange, close to zero
underrecuperation
.
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