Current advances in ejector modeling, experimentation and applications for refrigeration and heat pumps. Part 1: Single-phase ejectors

Z Aidoun, K Ameur, M Falsafioon, M Badache - Inventions, 2019 - mdpi.com
Ejectors used in refrigeration systems as entrainment and compression components or
expanders, alone or in combination with other equipment devices, have gained renewed …

A comprehensive exploration of ejector design, operational factors, performance metrics, and practical applications

A Kumar, SK Yadav, V Kumar, A Kulkarni - Journal of the Brazilian Society …, 2024 - Springer
The purpose of this paper is to provide the review details on the research attempt made in
the field of ejector systems. This review paper provides details on design methodology …

Novel supersonic nozzles for mixing enhancement in supersonic ejectors

SMV Rao, G Jagadeesh - Applied Thermal Engineering, 2014 - Elsevier
Two novel supersonic nozzles–Tip Ring Supersonic Nozzle and Elliptic Sharp Tipped
Shallow (ESTS) Lobed Nozzle have been developed to enhance mixing at high speeds …

A computational methodology for ejector design and performance maximisation

A Hakkaki-Fard, Z Aidoun, M Ouzzane - Energy Conversion and …, 2015 - Elsevier
Despite interesting potential for heat recovery and efficiency improvement that supersonic
ejectors can bring to energy consuming systems, their successful use in industrial …

Experimental and numerical investigation of transient starting of pre-evacuated exhaust diffuser in high altitude ground test

S Afkhami, N Fouladi, MP Fard - Aerospace Science and Technology, 2023 - Elsevier
This paper deals with numerical and experimental investigation of exhaust diffuser transient
starting in a high-altitude ground test of a thrust optimized parabolic (TOP) nozzle. The …

Numerical investigation on flow and mixing characteristics inside a converging-diverging mixing duct of rocket-based combined-cycle engine in ejector mode

Z Dong, M Sun, Z Wang, Z Cai, Y Yao, R Gu - Aerospace Science and …, 2020 - Elsevier
The supersonic mixing layers with complex background waves are formed by the rocket jet
and the entrained air in the mixing section of rocket-based combined-cycle (RBCC) engine …

Numerical investigation of second throat exhaust diffuser performance with thrust optimized parabolic nozzles

N Fouladi, M Farahani - Aerospace Science and Technology, 2020 - Elsevier
Free or restricted shock separation phenomena can occur inside a thrust optimized
parabolic (TOP) nozzle during over-expanded operations. In the case of restricted shock …

Effect of Reynolds number and slot guidance on passive infrared suppression device

L Singh, SN Singh, SS Sinha - Aerospace Science and Technology, 2020 - Elsevier
Infrared suppression system (IRSS) is a critical component for the survivability of a combat
vehicle. An ejector diffuser acts as a passive IRSS device with the primary role in …

Starting transients in second throat vacuum ejectors for high altitude testing facilities

G Bharate, A Kumar - Aerospace Science and Technology, 2021 - Elsevier
The present study aims to investigate the process of vacuum generation in a second throat
vacuum ejector system employed for the high altitude testing of rocket motors. The study …

Numerical investigation on the flow structures of the multi-strut mixing enhancement ejector

W Ye, J Zhang, W Xu, Z Zhang - Applied Thermal Engineering, 2020 - Elsevier
A new type of multiple jets ejector called the multi-strut mixing-enhancement ejector (MSE)
has been developed in previous studies. The excellent suction and supercharging abilities …