Results 1 to 10 of about 121,151 (296)

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

Experimental Validation of Multiphase Flow Models and Testing of Multiphase Flow Meters: A Critical Review of Flow Loops Worldwide [PDF]

open access: yes, 2007
Around the world, research into multiphase flow is performed by scientists with hugely diverse backgrounds: physicists, mathematicians and engineers from mechanical, nuclear, chemical, civil, petroleum, environmental and aerospace disciplines. Multiphase
Bello, O.O., Falcone, G., Teodoriu, C.
core   +4 more sources

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

On the use of plume models to estimate the flux in volcanic gas plumes

open access: yesNature Communications, 2021
Monitoring the flux of gas from volcanoes is a fundamental component of volcano monitoring programs and is used as a basis for eruption forecasting. Here, the authors present a new method using video images of volcanic gas plumes to measure the speed of ...
Julia Woitischek   +3 more
doaj   +1 more source

Measurement and analysis of water/oil multiphase flow using electrical capacitance tomography sensor [PDF]

open access: yes, 2005
The paper investigates the capability of using a portable 16-segmented Electrical Capacitance Tomo-graphy (ECT) sensor and a new excitation technique to measure the concentration profile of water/oil multiphase flow.
H.L.M., Ameran   +5 more
core   +3 more sources

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

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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