Results 21 to 30 of about 461,778 (311)

Impact of low-pressure systems on winter heavy air pollution in the northwest Sichuan Basin, China [PDF]

open access: yesAtmospheric Chemistry and Physics, 2018
The cities of Chengdu, Deyang, and Mianyang in the northwest Sichuan Basin are part of a rapidly developing urban agglomeration adjoining the eastern slopes of the Tibetan Plateau.
G. Ning   +11 more
doaj   +1 more source

Experimental study on the disinfection of microbial contamination by the microwave radiation on a typical filter coated with absorbing material [PDF]

open access: yesE3S Web of Conferences, 2022
In the air-conditioning system, a high-efficiency air filter can guarantee the capture of dust and biological particles. However, the traditional filter material itself does not have the function of disinfection and self-purification.
Zhang Yuan, Wang Feifei, Xu Xinhua
doaj   +1 more source

Critical contribution of moisture to the air quality deterioration in a warm and humid weather

open access: yesScientific Reports, 2023
The deterioration of air quality that threatens human health is recognized as focal compound hazard. Here, decisive thermodynamic conditions for activation of secondary aerosol formation have been investigated focused on Korea.
Woosuk Choi, Chang-Hoi Ho, Ka-Young Kim
doaj   +1 more source

Selection of oxygen reduction catalysts for secondary tri-electrode zinc–air batteries

open access: yesScientific Reports, 2022
Oxygen reduction reaction (ORR) electrocatalysts, which are highly efficient, low-cost, yet durable, are important for secondary Zn–air cell applications.
Adeline Loh   +5 more
doaj   +1 more source

Retrofit of a 600 MW Down-Fired Pulverized-Coal Furnace for Low NOx Emission

open access: yesEnergies, 2023
Aiming at solving the problem of high NOx emissions of a down-fired boiler, a new combustion system has been proposed by means of the numerical simulation using Ansys Fluent.
Tao Liu, Sheng Wang, Ziming Wei, Jie Yu
doaj   +1 more source

Environmental Impact Assessment, on the Operation of Conventional and More Electric Large Commercial Aircraft [PDF]

open access: yes, 2013
Global aviation is growing exponentially and there is a great emphasis on trajectory optimization to reduce the overall environmental impact caused by aircraft. Many optimization techniques exist and are being studied for this purpose.
Lawson, Craig P.   +2 more
core   +1 more source

High Efficiency Operational Reserve by SOFC for the Effective Grid Integration of Variable Renewable Energies [PDF]

open access: yesE3S Web of Conferences, 2019
For an effective grid integration of a large share of intermittent renewable energy sources such as a photovoltaic and a wind power, the flexible operation of the centralized or decentralized thermal power plants are required as a control reserve of ...
Yoshiba Fumihiko   +5 more
doaj   +1 more source

Simulation of multi-deck medium temperature display cabinets with the integration of CFD and cooling coil models [PDF]

open access: yes, 2010
This is the post-print version of the final paper published in Applied Energy. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and ...
S.A. Tassou   +5 more
core   +1 more source

Prediction and optimization of gas turbine secondary air system cooling efficiency based on deep learning

open access: yesEngineering Applications of Computational Fluid Mechanics
Secondary-air systems (SASs) are critical for maintaining material integrity and optimizing thermal performance in gas turbines (GTs) and related energy equipment.
Yulong Yao   +3 more
doaj   +1 more source

Performance Analysis of an Updraft Tower System for Dry Cooling in Large-Scale Power Plants

open access: yesEnergies, 2017
An updraft tower cooling system is assessed for elimination of water use associated with power plant heat rejection. Heat rejected from the power plant condenser is used to warm the air at the base of an updraft tower; buoyancy-driven air flows through a
Haotian Liu   +2 more
doaj   +1 more source

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