[HTML][HTML] Review on the two-stage vapor injection heat pump with a flash tank

H Ceylan - Engineering Science and Technology, an International …, 2023‏ - Elsevier
Refrigerant vapor injection technology is a reliable method to reduce the discharge
temperature and improve the heating performance of air source heat pumps at low ambient …

Exergy and performance analysis of low GWP and Non-flammable HFO based refrigerant mixtures as alternatives to R134a

N Kumma, S Sarath, SSH Kruthiventi - Thermal Science and Engineering …, 2023‏ - Elsevier
R1234yf and R1234ze (E) can be potential retrofits for the conventional refrigerants used in
domestic refrigerator provided their flammability is controlled. In this study, the inerting effect …

The role of optimum intermediate pressure in the design of two-stage vapor compression systems: A further investigation

S Jiang, S Wang, X **, Y Yu - International Journal of Refrigeration, 2016‏ - Elsevier
The determination of the optimum intermediate pressure (pm, opt) is critical for the design of
two-stage vapor compression (TSVC) systems, and there exists many studies on it …

Energy and exergy investigation of a novel double effect hybrid absorption refrigeration system for solar cooling

N Bouaziz, D Lounissi - International journal of hydrogen energy, 2015‏ - Elsevier
The objective of this work is to present an energy and exergy analysis of a novel
configuration of absorption cooling system operating at low enthalpy sources. The double …

Thermo-economic-environmental optimization of injection mass flow rate in the two-stage compression refrigeration cycle (Case study: Mobarakeh steel company in …

M Deymi-Dashtebayaz, S Maddah, E Fallahi - International Journal of …, 2019‏ - Elsevier
One of the main challenges in designing the two-stage compression refrigeration cycles is
determining the optimal operating condition of the inter-stage section. In this paper, the …

Theoretical energy analysis of Cascade refrigeration system using low Global warming potential refrigerants

S Soni, P Mishra, G Maheshwari, DS Verma - Materials Today …, 2022‏ - Elsevier
In the refrigeration sector, refrigerants with low global warming potential (GWP) have
become the need of the hour. The presented work aims to investigate the use of low GWP …

Entropic optimization of the economizer's pressure in a heat pump cycle integrated with a flash-tank and vapor-injection system

EA Rad, S Maddah - International Journal of Refrigeration, 2019‏ - Elsevier
The heat pump cycles with the vapor injection improve the efficiency coefficient by reducing
the work of the compressor. Despite the extensive literature on this topic, there are many …

Comparison of an absorption-compression hybrid refrigeration system and the conventional absorption refrigeration system: Exergy analysis

JS Pacheco-Cedeño, JL Rodríguez-Muñoz… - International Journal of …, 2023‏ - Elsevier
This paper presents an exergy analysis considering different operating conditions of an
alternative configuration of an ammonia-water hybrid absorption refrigeration system, where …

A comprehensive study of two-stage vapor compression cycles with vapor-injection for heating applications, taking into account heat sink of finite capacity

FM Tello-Oquendo, E Navarro-Peris… - International Journal of …, 2018‏ - Elsevier
This paper presents a comprehensive study of two-stage vapor compression cycles with
vapor-injection for several refrigerants considering that the heat sink has a limited capacity …

On the existence of optimal intermediate temperature in two-stage vapor compression systems

CY Ma, D Kezier, CL Zhang - Energy, 2025‏ - Elsevier
Vapor compression systems are widely used in air conditioning, refrigeration, and heating,
with two-stage systems often used in applications where a large temperature lift is required …