Results 1 to 10 of about 337 (179)

Optimum Efficiency of a Steam Ejector for Fire Suppression Based on the Variable Mixing Section Diameter [PDF]

open access: yesEntropy, 2022
The steam ejector is valuable and efficient in the fire suppression field due to its strong fluid-carrying capacity and mixing ability. It utilizes pressurized steam droplets generated at the exit to extinguish the fire quickly and the steam droplet ...
Yu Han   +4 more
doaj   +2 more sources

Investigation of Fluid Characteristic and Performance of an Ejector by a Wet Steam Model [PDF]

open access: yesEntropy, 2022
In this paper, a wet steam model is utilized to study the fluid characteristic and performance of a supersonic ejector. The condensation process, which has been ignored by most researchers, is analyzed in detail.
Chen Wang, Lei Wang
doaj   +2 more sources

Effect of Superheat Steam on Ejector in Distilled Water Preparation System for Medical Injection [PDF]

open access: yesEntropy, 2022
In this study, a wet steam model was used to investigate the effect of steam superheat on ejector performance and non-equilibrium condensation phenomena. The simulation data for the ejector were validated with experimental data. The simulations show that
Bin Yang   +5 more
doaj   +2 more sources

Turbulence Model Comparative Study for Complex Phenomena in Supersonic Steam Ejectors with Double Choking Mode [PDF]

open access: yesEntropy, 2022
Scholars usually ignore the non-equilibrium condensing effects in turbulence-model comparative studies on supersonic steam ejectors. In this study, a non-equilibrium condensation model considering real physical properties was coupled respectively with ...
Yiqiao Li   +4 more
doaj   +2 more sources

Numerical Investigation of Transonic Flow-Induced Spontaneous Condensation in Micro-Ejector Nozzles [PDF]

open access: yesMicromachines, 2023
Micro-cooling systems are compact refrigeration systems widely applicable in microchemical analysis, biomedicine, and microelectromechanical systems (MEMS).
Yu Han   +4 more
doaj   +2 more sources

Experimental Investigation of the Steam Ejector in a Single-Effect Thermal Vapor Compression Desalination System Driven by a Low-Temperature Heat Source

open access: yesEnergies, 2018
The paper presents an experimental investigation of a steam ejector in a single-effect thermal vapor compression (S-TVC) desalination system driven by a low-temperature (below 100 °C) heat source.
Jingming Dong, Zhitao Han, Hongbin Ma
exaly   +3 more sources

Experience in multistage steam-driven ejectors [PDF]

open access: yesE3S Web of Conferences, 2020
The article presents some trends of multistage steam-driven ejectors improvement and examples of its implementation. Three relevant directions were picked out: increasing of reliability, profitability and efficiency. Regarding the reliability increasing,
Murmanskii Ilia   +5 more
doaj   +4 more sources

Operation Rule of Steam Ejector and Influence Analysis of Ejection Position [PDF]

open access: yesE3S Web of Conferences, 2021
In order to analyze the operation rule of steam ejector used in sewage treatment field, this paper established the mathematical model of steam ejector, simulated the internal flow state, analyzed the influence rule of external parameters on the ...
Jinhui Zhao   +4 more
doaj   +1 more source

Performance analysis and optimization of a steam ejector through streamlining of the primary nozzle

open access: yesCase Studies in Thermal Engineering, 2021
A steam ejector uses high-pressure vapor as the power for operating in steam cycles. The ejector geometry and pressure of the motive flow significantly influence its performance.
Wenxu Sun   +4 more
doaj   +1 more source

Numerical Analysis of Steam Ejector Performance with Non-Equilibrium Condensation for Refrigeration Applications

open access: yesBuildings, 2023
In recent years, there has been great interest in developing cooling systems with humidity- and temperature-independent control capabilities that can operate efficiently at varying temperatures.
Yu Lei   +5 more
doaj   +1 more source

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