Results 1 to 10 of about 1,909,160 (146)

Effect of Throat Length on Steam Ejector Critical Back Pressure

Chemical Engineering Transactions, 2017
Steam ejector is widely applied in chemical industry and many papers have published to investigate the structure configuration effects on the performance.
R. Bi, M. Hu, S. Wang, X. Tan, S. Zheng
doaj   +2 more sources

Triple-Nozzle Thermo-Compressor: Geometrical Investigation and Comparison with Single-Nozzle Thermo-Compressor [PDF]

Journal of Applied Fluid Mechanics, 2022
Primary nozzle is one of the most important factors which has a large influence on the performance of thermo-compressors. Most of studies carried out until now, have been performed on single-nozzle thermo-compressors.
S. Asgarnejad, R. Kouhikamali, M. Hassani   +2 more
doaj   +1 more source

Oscillating Back Pressure Regulator (OBPR) for High-Pressure Core Flooding [PDF]

E3S Web of Conferences, 2023
The challenge in the core analysis industry is the availability of a versatile back pressure regulator (BPR) that can operate efficiently at ultra-low or no-flow conditions at very high pressure.
Dubey Sanjay, Khorshidian Hossein, Mahmoodi Maziyar, Sripal Edison, James Lesley   +4 more
doaj   +1 more source

Performance Evaluation of a Steam Ejector Considering Non-Equilibrium Condensation in Supersonic Flows

Energies, 2023
The present study established an experimental system of steam ejector refrigeration to evaluate the effect of the operating parameters, such as pressure on the diffuser wall and primary and secondary fluid, on the performance and efficiency of the ...
Youhao Xie, Yu Han, Xiaodong Wang, Chuang Wen, Yan Yang   +4 more
doaj   +1 more source

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

Entropy, 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, Xiaodong Wang, Ao Li, Anas F. A. Elbarghthi, Chuang Wen   +4 more
doaj   +1 more source

Numerical Study on Flow and Noise Characteristics of High-Temperature and High-Pressure Steam Ejector

Energies, 2023
Based on the shear stress transfer (SST) k-ω model, Ffowcs-Williams and Hawkings (FW–H) equation, and Lilley sound source equation, the flow and sound field of high-temperature and high-pressure steam ejectors are simulated.
Jiajie Zhang, Yun Liu, Yumeng Guo, Jingxian Zhang, Suxia Ma   +4 more
doaj   +1 more source

Influence of auxiliary mold stretch-bend forming on the forming quality for L-section aluminum alloy profile

International Journal of Lightweight Materials and Manufacture, 2023
To improve the stretch-bend forming precision of aluminum alloy profiles with complex open sections, the relationship stress–strain distribution and the spring-back radius variation were analyzed under different stretch-bend stages.
Guangming Lv, Shengfang Zhang, Laihe Song, Fujian Ma, Ziguang Wang, Yu Liu   +5 more
doaj   +1 more source

A Steam Ejector Refrigeration System Powered by Engine Combustion Waste Heat: Part 2. Understanding the Nature of the Shock Wave Structure

Applied Sciences, 2019
In general, engine fuel combustion generates 30% waste heat, which is disposed to the environment. The use of the steam ejector refrigeration to recycle the waste heat and transfer them to useful energy source could be an environmentally friendly ...
Yu Han, Xiaodong Wang, Lixin Guo, Anthony Chun Yin Yuen, Hengrui Liu, Ruifeng Cao, Cheng Wang, Cuiling Li, Jiyuan Tu, Guan Heng Yeoh   +9 more
doaj   +1 more source

Pressure controlling method for managed pressure drilling with supercritical carbon dioxide as the circulation fluid

Petroleum Exploration and Development, 2016
Heat transfer along the wellbore was analyzed, and then a closed mathematical model, which fully couples the hydrostatic pressure, temperature, physical properties of CO2 and friction, was established to keep bottom-hole pressure constant during drilling
Weiqiang SONG, Hongjian NI, Ruihe WANG, Zhonghou SHEN, Mengyun ZHAO   +4 more
doaj   +1 more source

Thermoeconomic Optimization Design of the ORC System Installed on a Light-Duty Vehicle for Waste Heat Recovery from Exhaust Heat

Energies, 2022
The organic Rankine cycle (ORC) has been widely studied to recover waste heat from internal combustion engines in commercial on-road vehicles. To achieve a cost-effective ORC, a trade-off between factors such as costs, power outputs, back pressure, and ...
Xialai Wu, Ning Zhang, Lei Xie, Wenyan Ci, Junghui Chen, Shan Lu   +5 more
doaj   +1 more source