Results 1 to 10 of about 31,115 (167)

Experimental study on variable frequency control and air leakage control of multi-fan combination in subway tunnels [PDF]

Scientific Reports
In centralized smoke exhaust emergency ventilation systems for metro tunnels, axial supply fans are often located far from the tunnel exit due to complex terrain constraints.
Guo Ying, Peng Wenqing, Chen Shiqiang, Wang Jiawei, Chen Ying   +4 more
doaj   +2 more sources

Research and Analysis of Explosion-Proof Diesel Engine Performance Based on Different Exhaust Gas Cooling Systems

Energies
As stringent emission regulations and safety standards for explosion-proof diesel engines become more critical, the demand for efficient exhaust cooling systems has increased.
Zhiyuan Shi, Hongxin Wei, Guanghui Li, Yuan Wang, Quanming Li, Xin Zheng, Kunhao Song, Chong Chen, Chi Ma, Samsil Arefin Mozumder, Md Khairul Basher   +10 more
doaj   +3 more sources

Influence of the purification system of machining factories on indoor air quality [PDF]

E3S Web of Conferences, 2022
High-concentration oil mists from machining plant equipment can cause serious health problems for workers. The concentration of oil mist is generally reduced by ventilation and purification systems.
Wang Yukun, Long Zhengwei, Shen Xiong
doaj   +3 more sources

Exhaustion of nucleation in a closed system [PDF]

Physical Review E, 2008
Greatly shortened paper. Section on growth model removed. Added a section analyzing the error in the solution of the integral equation.
Farjoun, Y., Neu, J. C.
openaire   +3 more sources

New principles of heat recovery of ventilation emissions from multi-apartment buildings (AB) [PDF]

E3S Web of Conferences, 2021
The article shows results of studies on assessing the effectiveness of new principles for heat recovery of exhaust air in ventilation systems of apartment buildings (AB). Technological solutions are known that provide heat recovery of the exhaust air for
Vasilyev Gregory, Timofeev Nikolay, Kolesova Marina, Yurchenko Igor, Marchenkova Svetlana, Dmitriev Alexander   +5 more
doaj   +1 more source

Field monitoring data on a residential exhaust air heat pump system (air-to-air heat pump)

Data in Brief, 2021
This data article presents the raw data used in the article “Experimental and analytical evaluation of exhaust air heat pumps in ventilation-based heating systems” [1].
Arsalan Shirani, Alexander Merzkirch, Jennifer Roesler, Stephan Leyer, Frank Scholzen, Stefan Maas   +5 more
doaj   +1 more source

Analyzing Transition Metal Catalytic Converter Impact on Four-Stroke Motorcycle Fuel Consumption

Journal of Mechanical Engineering Science and Technology, 2023
Increased exhaust emissions from motor vehicles have become a major concern in efforts to reduce air pollution. One developed solution is the use of transition metallic catalytic converter (TMCC) technology in vehicle exhaust systems.
Sudirman Rizki Ariyanto, Ata Syifa' Nugraha, Wahyu Robby Cahyadi, Yelma Dianastiti, Muhammad Yandi Pratama   +4 more
doaj   +1 more source

Utilizing Exhaust Valve Opening Modulation for Fast Warm-up of Exhaust After-treatment Systems on Highway Diesel Vehicles

International Journal of Automotive Science and Technology, 2020
Current on-road vehicles are generally outfitted with exhaust after-treatment (EAT) systems to meet the stringent emission regulations. At cold start and low-loaded operations, those systems need to be warmed up above a threshold temperature (generally ...
Hasan Üstün Başaran
doaj   +1 more source

Augmenting NO(x) reduction in diesel exhaust by combined plasma/ozone injection technique: a laboratory investigation

High Voltage, 2018
With the advent of non-thermal plasma technique for diesel exhaust treatment attention is being focused on reducing oxides of nitrogen (NO(x)) both from stationary as well as automobile sources.
Apeksha Madhukar, Bangalore S. Rajanikanth   +1 more
doaj   +1 more source

Environmental aspects of heat recovery systems of boiler plants [PDF]

E3S Web of Conferences, 2019
The results of studies on improving the environmental characteristics of boiler plants of municipal heat-power engineering in the application of technologies for the deep recovery of heat from exhaust-gases of gas-fired boilers are presented. The data on
Fialko Nataliia, Navrodska Raisa, Ulewicz Malgorzata, Gnedash Georgii, Alioshko Sergii, Shevcuk Svitlana   +5 more
doaj   +1 more source