Performance of a set of parallel bubble pumps operating with a binary solution of R134a-DMAC

B. Gurevich; M. Jelinek; A. Levy; I. Borde

doi:10.1016/j.applthermaleng.2014.09.074

Performance of a set of parallel bubble pumps operating with a binary solution of R134a-DMAC

B. Gurevich, M. Jelinek, A. Levy, I. Borde

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

Bubble pump is the bottle neck of the DAR cycle and its performance depends on the amount of separated refrigerant. An experimental continuous system was designed to characterize the performance of three parallel bubble pumps with a solution of R134a-DMAC. The dependence of the number of bubble pump lift tubes and various operating conditions on the amount of the desorbed refrigerant was investigated. The results showed that in comparison to a single lift tube, the use of two or three parallel lift tubes at optimal heat input and mass concentration could double or triple, correspondingly, the amount of desorbed refrigerant.

Original language	English
Pages (from-to)	724-730
Number of pages	7
Journal	Applied Thermal Engineering
Volume	75
DOIs	https://doi.org/10.1016/j.applthermaleng.2014.09.074
State	Published - 22 Jan 2015

Keywords

Binary solution
Bubble pump
DAR
Two-phase flow

ASJC Scopus subject areas

Energy Engineering and Power Technology
Industrial and Manufacturing Engineering

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10.1016/j.applthermaleng.2014.09.074

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title = "Performance of a set of parallel bubble pumps operating with a binary solution of R134a-DMAC",

abstract = "Bubble pump is the bottle neck of the DAR cycle and its performance depends on the amount of separated refrigerant. An experimental continuous system was designed to characterize the performance of three parallel bubble pumps with a solution of R134a-DMAC. The dependence of the number of bubble pump lift tubes and various operating conditions on the amount of the desorbed refrigerant was investigated. The results showed that in comparison to a single lift tube, the use of two or three parallel lift tubes at optimal heat input and mass concentration could double or triple, correspondingly, the amount of desorbed refrigerant.",

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AU - Gurevich, B.

AU - Jelinek, M.

AU - Levy, A.

AU - Borde, I.

PY - 2015/1/22

Y1 - 2015/1/22

N2 - Bubble pump is the bottle neck of the DAR cycle and its performance depends on the amount of separated refrigerant. An experimental continuous system was designed to characterize the performance of three parallel bubble pumps with a solution of R134a-DMAC. The dependence of the number of bubble pump lift tubes and various operating conditions on the amount of the desorbed refrigerant was investigated. The results showed that in comparison to a single lift tube, the use of two or three parallel lift tubes at optimal heat input and mass concentration could double or triple, correspondingly, the amount of desorbed refrigerant.

AB - Bubble pump is the bottle neck of the DAR cycle and its performance depends on the amount of separated refrigerant. An experimental continuous system was designed to characterize the performance of three parallel bubble pumps with a solution of R134a-DMAC. The dependence of the number of bubble pump lift tubes and various operating conditions on the amount of the desorbed refrigerant was investigated. The results showed that in comparison to a single lift tube, the use of two or three parallel lift tubes at optimal heat input and mass concentration could double or triple, correspondingly, the amount of desorbed refrigerant.

KW - Binary solution

KW - Bubble pump

KW - DAR

KW - Two-phase flow

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Performance of a set of parallel bubble pumps operating with a binary solution of R134a-DMAC

Abstract

Keywords

ASJC Scopus subject areas

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