Results 1 to 10 of about 26,496 (169)

Integration and optimization of electrified LNG steam reforming hydrogen production system

open access: yesYou-qi chuyun, 2023
The global demand for clean hydrogen energy is constantly increasing. However, the methane steam reforming process cannot satisfy the future social demand for clean hydrogen energy due to its high emission, while the development of water electrolysis ...
Huchao SONG   +5 more
doaj   +1 more source

Experimental study on supercritical carbon dioxide gasification of biomass

open access: yesCarbon Neutrality, 2023
With the excessive use of fossil energy and concern for environmental protection, biomass gasification as an effective means of biomass energy utilization has received widespread attention worldwide. Supercritical carbon dioxide (SCCO2) (T ≥ 31.26 °C, P ≥
Chenchen Zhou   +4 more
doaj   +1 more source

Economic analysis of denitration system in a coal-fired power plant with flue gas bypass during load cycling processes

open access: yes能源环境保护, 2023
Setting up an economizer flue gas bypass system is an effective approach to increase the inlet flue gas temperature of the denitration system in a coal-fired power plant and maintain high De-NO_x efficiency under all working conditions.
GAO Wei   +3 more
doaj   +1 more source

Application of multi-leaf foil bearings in high-speed turbo-machinery

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2020
Foil bearings, featuring various advantages (such as high-speed, good operation stability, low friction, long life, strong adaptability, wide temperature range, and oil-free), are promised to have good development prospects and application in high-speed ...
Yu GUO   +4 more
doaj   +1 more source

Transient Thermal Response of Blood Vessels during Laser Irradiation Monitored by Laser Speckle Contrast Imaging

open access: yesPhotonics, 2022
Real-time monitoring of blood flow and thrombosis formation induced by laser irradiation is critical to reveal the thermal-damage mechanism and successfully implement vascular-dermatology laser surgery.
Xu Sang   +4 more
doaj   +1 more source

Thermodynamic Analysis of Air-Cycle Refrigeration Systems with Expansion Work Recovery for Compartment Air Conditioning

open access: yesApplied Sciences, 2022
As a requirement for sustainable development, air-cycle refrigeration has received wide attention as a candidate for environmentally friendly air conditioning technology.
Xiaoling Yang   +5 more
doaj   +1 more source

An Experimental Study on the Combustion Characteristics of a Methane Diffusion Flame within a Confined Space under Sub-Atmospheric Pressure

open access: yesApplied Sciences, 2023
Gas-fired boilers, gas stoves, and wall-mounted gas boilers are the main consumers of gas fuel, but they generally encounter problems when operating at high altitudes, such as reduced thermal efficiency and increased pollutant emissions. Previous studies
Jingkun Zhang   +6 more
doaj   +1 more source

Experimental Study on Frost Crystal Morphologies and Frosting Characteristics under Different Working Pressures

open access: yesApplied Sciences, 2022
Frost usually grows on the cooling surface of heat transfer equipment, which often operates under different working pressures. In such conditions, one of the fundamental influencing factors of frosting, the diffusion coefficient of water vapor around the
Tianwei Lai   +5 more
doaj   +1 more source

Investigation on Spray Morphology, Droplet Dynamics, and Thermal Characteristics of Iso-Pentane Flashing Spray Based on OpenFOAM

open access: yesApplied Sciences, 2022
Leakage of high-pressure hydrocarbon liquid from a vessel or pipe may easily result in a two-phase flashing spray due to the rapid pressure drop, which might produce catastrophic consequences.
Dong-Qing Zhu   +5 more
doaj   +1 more source

Experimental Research on the Flow and Heat Transfer Characteristics of Subcritical and Supercritical Water in the Vertical Upward Smooth and Rifled Tubes

open access: yesEnergies, 2022
Experiments were conducted to investigate the heat transfer and flow characteristics of the vertical upward smooth and rifled tubes from subcritical to supercritical pressure. The distributions of wall temperature and heat transfer coefficient (HTC) were
Xiaocheng Du   +5 more
doaj   +1 more source

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