CFD study of a variable area ratio ejector using R600a and R152a refrigerants

S Varga, PMS Lebre, AC Oliveira - International journal of refrigeration, 2013 - Elsevier
In the present paper, the numerical results for two 1 kW cooling capacity ejectors with
variable primary nozzle geometry are presented using R152a and R600a as working fluids …

CFD analysis of ejector in a combined ejector cooling system

E Rusly, L Aye, WWS Charters, A Ooi - International Journal of Refrigeration, 2005 - Elsevier
One-dimensional ejector analyses often use coefficients derived from experimental data for
a set of operating conditions with limited functionality. In this study, several ejector designs …

An experimental analysis of the impact of primary nozzle geometries on the ejector performance used in R141b ejector refrigerator

T Thongtip, S Aphornratana - Applied Thermal Engineering, 2017 - Elsevier
This paper gives an experimental discussion of the geometrical impact of the primary nozzle
on the ejector performance in an R141b ejector refrigerator. Primary nozzle area ratio is …

Multi-scale evaluation of an R290 variable geometry ejector

G Besagni, N Cristiani - Applied Thermal Engineering, 2021 - Elsevier
Although representing a promising alternative to mechanical compressor driven systems,
ejector refrigeration has not widely spread due to its limits due to the system operation's …

A comprehensive review of ejector design, performance, and applications

BM Tashtoush, AN Moh'd A, MA Khasawneh - Applied Energy, 2019 - Elsevier
The objective of this work is to provide a literature survey on the research attempts made in
the field of ejector refrigeration systems and the studies made on the ejector as a …

Investigation of ejectors in refrigeration system: Optimum performance evaluation and ejector area ratios perspectives

J Chen, H Havtun, B Palm - Applied Thermal Engineering, 2014 - Elsevier
This paper presents an ejector model to determine the optimum performance as well as
obtaining the design area ratio of an ejector in a refrigeration system. Working fluid …

Numerical investigation of the flow structures inside mixing section of the ejector

C Metin, O Gök, AU Atmaca, A Erek - Energy, 2019 - Elsevier
In this study, the effect of the position of the primary nozzle and the converging angle of the
mixing section is investigated numerically for a vapor jet ejector to be used in a heat-driven …

Experimental investigation of performance of vapor ejector refrigeration system using refrigerant R123

R Yapıcı - Energy Conversion and Management, 2008 - Elsevier
In the present study, a novel ejector was designed based on a constant area ejector model
and manufactured in order to investigate the performance of an ejector refrigeration system …

An experimental investigation to determine the optimal heat source temperature for R141b ejector operation in refrigeration cycle

N Ruangtrakoon, T Thongtip - Applied Thermal Engineering, 2020 - Elsevier
This paper provides an experimental investigation of an R141b ejector refrigeration system
which concentrates on the effect of the driving generator temperature on the ejector …

Impact of primary nozzle area ratio on the performance of ejector refrigeration system

T Thongtip, S Aphornratana - Applied Thermal Engineering, 2021 - Elsevier
This paper proposes an experimental investigation to demonstrate the impact of the primary
nozzle area ratios on the ejector performance in an R141b ejector refrigeration system. The …