Results 1 to 10 of about 14,664 (244)

Experimental Research on a New Mini-Channel Transcritical CO₂ Heat Pump Gas Cooler [PDF]

Micromachines, 2023
This paper presents the results of an experimental study on the heat transfer and pressure drop characteristics of a novel spiral plate mini-channel gas cooler designed for use with supercritical CO2.
Jiawei Jiang, Shiqiang Liang, Xiang Xu, Buze Chen, Zhixuan Shen, Chaohong Guo, Liqi Yu, Shuo Qin   +7 more
doaj   +2 more sources

Aerodynamic performance modeling method of high-altitude propellers across the entire flight envelope [PDF]

Scientific Reports
High-altitude propellers experience diverse aerodynamic conditions, due to the extensive altitude variation and wide range of wind speeds encountered in the flight envelope of High Altitude Long Endurance (HALE) aircraft.
Miao Zhang, Jun Jiao, Jian Zhang, Zijian Zhang   +3 more
doaj   +2 more sources

Thermally Drawn Flexible Fiber Sensors: Principles, Materials, Structures, and Applications [PDF]

Nano-Micro Letters
Highlights The review briefly introduces the principle, material selection criteria, and development of the thermal drawing process. Based on different stimuli, the review comprehensively summarizes the latest progress in thermally drawn temperature ...
ZhaoLun Zhang, Yuchang Xue, Pengyu Zhang, Xiao Yang, Xishun Wang, Chunyang Wang, Haisheng Chen, Xinghua Zheng, Xin Yin, Ting Zhang   +9 more
doaj   +2 more sources

Design and analysis of centrifugal compressor in carbon dioxide heat pump system [PDF]

Scientific Reports
Based on the advantages of energy saving, environmental protection and high efficiency, carbon dioxide heat pump system has great application prospects. However, there are still many technical problems to be solved, especially the design and optimization
Peng Jiang, Yong Tian, Bo Wang, Chaohong Guo   +3 more
doaj   +2 more sources

Design and experiment of IOT cooling system in glass greenhouse based on CFD simulation

Journal of Agricultural Engineering, 2022
In the summer heat season, the performance of greenhouse cooling system is the key factor of the greenhouse crop pollination and fruit formation. Scientific design of greenhouse cooling system and intelligent control of cooling equipment can ensure the ...
Zanbin Zhu, Yubin Li, Shoufu Gong
doaj   +1 more source

Engineering thermophysics and sustainable energy development [PDF]

SCIENTIA SINICA Technologica, 2020
Fossil energy supports the development of human society but is facing depletion because of industrialization. In order to solve the formidable problem in compatibility and coordination between energy utilization and the environment and accelerate the development of sustainable energy, it is pressing to realize the transition from fossil to sustainable ...
YaLing HE, TianShou ZHAO, HongGuang JIN, LieJin GUO, YiMin XUAN   +4 more
openaire   +1 more source

Economic evaluation of energy storage integrated with wind power

Carbon Neutrality, 2023
Energy storage can further reduce carbon emission when integrated into the renewable generation. The integrated system can produce additional revenue compared with wind-only generation.
Xinjing Zhang, Lu Feng, Xiaoyu Li, Yujie Xu, Liang Wang, Haisheng Chen   +5 more
doaj   +1 more source

Experimental Study on the Improvement of Char Physicochemical Properties and Reactivity by Activation Process in CFB [PDF]

ACS Omega
Siyuan Zhang, Mingyue Wang, Chen Liang, Zhiping Zhu   +3 more
doaj   +2 more sources

Challenges and perspectives for solar fuel production from water/carbon dioxide with thermochemical cycles

Carbon Neutrality, 2023
Solar energy is the most sustainable alternative to fossil fuels. The production of solar thermochemical fuels from water/carbon dioxide not only overcomes the intermittent nature of solar energy, but also allows for flexible transportation and ...
Chen Chen, Fan Jiao, Buchu Lu, Taixiu Liu, Qibin Liu, Hongguang Jin   +5 more
doaj   +1 more source

Experiment and Simulation of the Startup Processes for the Supercritical Carbon-Dioxide Closed Brayton Cycle

Applied Sciences, 2023
The startup process is the crucial transition phase of the supercritical carbon-dioxide Brayton cycle, so it is essential to focus on and investigate the transient performance for the system’s safety and stability.
Shuo Qin, Shiqiang Liang, Yuming Zhu, Zhigang Li, Xinyu Gong, Jiawei Jiang, Zhixuan Shen   +6 more
doaj   +1 more source