Results 21 to 30 of about 16,377 (261)

Numerical study on the load direction effect on the performance of tilting pad-journal gas bearing

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
This paper quantitatively presents the effect of load directions on the static performance of gas titling pad-journal bearing (TPJB). The gas film thickness is determined in a subsystem composed of the rotor and one pad.
Tianwei LAI, Yu HOU, Lu NIU, Yueqing ZHENG, Shuangtao CHEN   +4 more
doaj   +1 more source

Carbon emissions from in-situ pyrolysis of tar-rich coal based on full life cycle analysis method

Meitan xuebao, 2023
The control of carbon emissions has already become a great social strategic problem in China which must be solved at present and in the future. It is imperative to carry out safe, efficient, and low-carbon utilizations in the coal industry under the ...
Xiangyu XUE, Chang’an WANG, Lei DENG, Xing NING, Defu CHE   +4 more
doaj   +1 more source

Influence of Refrigerant Charge Amount and EEV Opening on the Performance of a Transcritical CO2 Heat Pump Water Heater

Energies, 2017
Besides compressor rotary speed and parameters of water flowing through gas cooler and evaporator, refrigerant charge amount and electronic expansion valve (EEV) opening are two important parameters that have significant effects on the performance of a ...
Ze Zhang, Xiaojun Dong, Zheng Ren, Tianwei Lai, Yu Hou   +4 more
doaj   +1 more source

Numerical prediction of spatio-temporal frosting patterns of curved surface considering varying working parameters

Energy Storage and Saving, 2023
Accurate numerical prediction of frosting patterns is essential for the efficient layout and timing defrosting of heat exchangers under frosting conditions.
Xue Liu, Xiaojun Dong, Shaohang Yan, Yu Hou, Tianwei Lai   +4 more
doaj   +1 more source

Theoretical Design and Analysis of the Waste Heat Recovery System of Turbine Exhaust Steam Using an Absorption Heat Pump for Heating Supply

Energies, 2020
In northern China, many thermal power plants use absorption heat pump to recover low-grade heat from turbine exhaust steam due to the irreplaceable advantages of the absorption heat pump in waste heat recovery.
Jinshi Wang, Weiqi Liu, Guangyao Liu, Weijia Sun, Gen Li, Binbin Qiu   +5 more
doaj   +1 more source

Experimental Study on the Effects of Hydrogen Injection Strategy on the Combustion and Emissions of a Hydrogen/Gasoline Dual Fuel SI Engine under Lean Burn Condition

Applied Sciences, 2022
Hydrogen addition can improve the performance and extend the lean burn limit of gasoline engines. Different hydrogen injection strategies lead to different types of hydrogen mixture distribution (HMD), which affects the engine performance. Therefore, the
Shiyi Pan, Jinhua Wang, Bin Liang, Hao Duan, Zuohua Huang   +4 more
doaj   +1 more source

Experimental and numerical investigation of two phase ejector performance with the water injected into the induced flow

International Journal of Advanced Nuclear Reactor Design and Technology, 2020
When injectors are used in petroleum industries or sea water desalination system, it is a special case that the induced gas is accompanied by water, the ejector is in two-phase operation. In the present study, the ejector performance at two phase flow is
WeiXiong Chen, ChenXi Huang, YuPing Bai, DaoTong Chong, JunJie Yan, JiPing Liu   +5 more
doaj   +1 more source

Hydrogen Production by Supercritical Water Gasification of Biomass with Homogeneous and Heterogeneous Catalyst

Advances in Condensed Matter Physics, 2014
Biomass gasification in supercritical water is a clean and efficient way to convert biomass to hydrogen-rich gaseous products. Appropriate catalyst can lower the reaction temperature to guarantee the technological and economic feasibility.
Hui Jin, Youjun Lu, Liejin Guo, Ximin Zhang, Aixia Pei   +4 more
doaj   +1 more source

Investigations on affinity law under gas–liquid conditions in multistage radial and mixed-flow multiphase pumps [PDF]

International Journal of Fluid Engineering
Affinity laws have been widely used in pump design and simulation under high-temperature and corrosive conditions. By applying such laws, it is possible to shorten development cycles and reduce test costs.
Liang Chang, Chenyu Yang, Xiaobin Su, Xiaoyu Dai, Qiang Xu, Liejin Guo   +5 more
doaj   +1 more source

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

Advanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe, Tuba Yener, Suayb Cagri Yener, Mourad Keddam, Cuma Bindal   +4 more
wiley   +1 more source