Results 81 to 90 of about 3,583 (262)

Experimental Investigation on Knock Characteristics from Pre-Chamber Gas Engine Fueled by Hydrogen

Energies
Hydrogen-fueled engines require large values of the excess air ratio in order to achieve high thermal efficiency. A low value of this coefficient promotes knocking combustion.
Ireneusz Pielecha, Filip Szwajca, Kinga Skobiej   +2 more
doaj   +1 more source

ZnO Nanowires by Chemical Bath Deposition: A Review on Doping and Functional Devices

Electron, EarlyView.
This review reports the most recent and well‐established state‐of‐the‐art and scientific challenges related to the doping of ZnO nanowires by chemical bath deposition, encompassing native point and hydrogen‐related defects, as well as extrinsic dopants.
Clément Lausecker, Adrien Baillard, Estelle Appert, Vincent Consonni   +3 more
wiley   +1 more source

Experimental Study of Combustion Fluctuation Reduction Using In-Cylinder Pressure Estimation in Gasoline Engine

JIRAE (International Journal of Industrial Research and Applied Engineering), 2018
Gasoline engines needs to reduce its negative emission waste and raise its thermal efficiency. Previous studies have shown an improvement of engines by regulating the ignition timing and retaining the engine at certain air-to-fuel ratio.
Mitsuhisa Ichiyanagi, Willyanto Anggono, Edyta Dzieminska, Takashi Suzuki   +3 more
doaj   +1 more source

Design and Experimental Study of Pressure Maintenance and Temperature Control System for Hydrate Pressure Core Processing Device

Energy Science &Engineering, EarlyView.
This paper presents a hydrate pressure core processing device integrated with a high‐precision active control system to perform nondestructive transfer, cutting, and analysis. To address the limitations of slow dynamic response and high thermal inertia in traditional passive systems, a differentiated control scheme is implemented.
Liwen Nan, Jiawang Chen, Qiaoling Gao, Yingjie Liu   +3 more
wiley   +1 more source

Flame Behaviour in an Acoustically Forced Gas Turbine Combustor [PDF]

, 2009
A swirl stabilised dump combustor capable of imposing flow perturbations creating combustion instabilities has been designed and commissioned. The capability of supplying different fuel mixtures (methane hydrogen blends) has been incorporated ...
Ruggles, Adam
core  

Observation of multi-scale oscillation of laminar lifted flames with low-frequency AC electric fields

, 2010
The oscillation behavior of laminar lifted flames under the influence of low-frequency AC has been investigated experimentally in coflow jets. Various oscillation modes were existed depending on jet velocity and the voltage and frequency of AC ...
Ryu, Seol, Chung, Suk Ho, Kim, Youkyoung, Kim, Minkuk, Won, Sanghee   +4 more
core   +1 more source

Comparative Study of Electric Vehicle Propulsion Systems Using Field‐Oriented Controlled Dual PMSMs With Novel Control Strategies Based on an EPS Filter and a Fuzzy Logic Regulator for Enhanced Stability and Safety

Energy Science &Engineering, EarlyView.
The growing demand for electric vehicles (EVs) has driven research into improving propulsion control systems, focusing on performance, efficiency, and safety. This study addresses a gap in advanced control systems for EV differentials and presents two solutions.
Rachad Moumni, Idriss Benlaloui, Kouider Laroussi, Amor Fezzani, Mohamed Metwally Mahmoud, Vojtech Blazek, Daniel Eutyche Mbadjoun Wapet, Ezzeddine Touti   +7 more
wiley   +1 more source

Suppression Mechanisms of Stratified Jet-in-Crossflow on Thermoacoustic Instability and NO_x Emissions in Premixed Combustors

Applied Sciences
The premixed combustion of a gas turbine is prone to thermoacoustic oscillation, which affects the safety of combustion systems. This study experimentally investigated the suppression mechanism of a stratified jet-in-crossflow on the thermoacoustic ...
Rongyue Sun, Chengfei Tao
doaj   +1 more source

A Review of Energy Management Strategies for Hybrid Electric Vehicles

Energy Science &Engineering, EarlyView.
This review systematically categorizes energy management strategies (EMS) for hybrid electric vehicles, highlighting rule‐based, optimization‐based, learning‐based, and emerging algorithm‐mixing approaches. It provides a comprehensive roadmap for developing intelligent control systems to enhance energy efficiency and promote sustainable transportation.
Song Gao, Bingchan Zhou, Zhumu Fu, Zhaohui Jiang, Kaikai Zhang, Qihui Ma, Mingchong Dong, Fazhan Tao, Pengju Si, Xin Jin   +9 more
wiley   +1 more source

Mathematical modeling of pressure oscillation in the combustion chambers of solid rocket motors [PDF]

, 2018
Numerical simulation of the flow instability and pressure self-oscillations for complex configurations of solid fuel charges in the combustion chamber are carried out.
Котоногов, В. А., Жильцов, К. Н., Костюшин, К. В.   +2 more
core   +2 more sources