Results 31 to 40 of about 90,574 (337)

Experimental observation of the TJI-initiated HPDI gas combustion: Vertically crossed flame jet and methane jet

Applications in Energy and Combustion Science, 2023
In the field of natural gas marine engines, the high-pressure direct injection (HPDI) technology is widely used to achieve emission reduction while maintaining equivalent thermal efficiency and power output compared to diesel engines.
Lijia Zhong, Wanhui Zhao, Haiqiao Wei, Lei Zhou   +3 more
doaj   +1 more source

Influence of Ambient Pressure on the Jet-Ignition Combustion Performance and Flame Propagation Characteristics of Gasoline in a Constant Volume Combustion Chamber

Energies
Based on a constant volume combustion chamber, the initial ambient pressure effect on gasoline combustion performance and flame propagation of the active and passive pre-chamber ignition systems were studied.
Zongjie Hu, Minglong Li, Xinke Miao, Zhiyu Wang, Yuanzhi Tang, Xijiang Wu, Wangchao Yu, Zhe Kang, Jun Deng   +8 more
doaj   +1 more source

A Comparison in Combustion Characteristics in a CVCC with Biodiesel Blends

Energies, 2022
This paper presents the comparison of combustion characteristics in a constant volume combustion chamber (CVCC) with alternative fuel biodiesel blends.
Nguyen Tuan Nghia, Nguyen Phi Truong, Nguyen Xuan Khoa, Le Anh Tuan, Nguyen Van Tuan   +4 more
doaj   +1 more source

Swirling combustor energy converter: H2/air simulations of separated chambers [PDF]

, 2015
This work reports results related to the “EU-FP7-HRC-Power” project aiming at developing micro-meso hybrid sources of power. One of the goals of the project is to achieve surface temperatures up to more than 1000 K, with a ΔT ≤ 100 K, in order to be ...
MINOTTI, ANGELO, TEOFILATTO, Paolo
core   +2 more sources

An Experimental Study on the Effects of Pre-Chamber Geometry on the Combustion Characteristics of Ammonia/Air Mixtures Using Turbulent Jet-Post Spark Ignition Strategy

Energies
As a carbon-free fuel, ammonia faces challenges in engine applications due to its low flame propagation speed and high ignition energy. The pre-chamber turbulent jet-post spark ignition strategy (TJ-PSI) has been proven effective in accelerating the ...
Yichen Gao, Xipu Zhang, Yang Cao, Jiashen Zhang, Rongjie Li, Huimin Wu, Shijun Dong, Zhaowen Wang   +7 more
doaj   +1 more source

Spontaneous Raman scattering for simultaneous measurements of in-cylinder species [PDF]

, 2007
A technique for multi-species mole fraction measurement in internal combustion engines is described. The technique is based on the spontaneous Raman scattering. It can simultaneously provide the mole fractions of several species of N-2, O-2, H2O, CO2 and
Grunefeld G, Grunefeld G, H Zhao, Hinze P C, Johnston S C, Johnston S C, Knapp M, Mattias Richter, Miles P, Miles P C, S Zhang, Schutte M, Zhao H   +12 more
core   +1 more source

Fuel injection temperature determination and effect on the injection process for different alternative fuels [PDF]

, 2012
The influence of the fuel temperature on injection using a pump-line-nozzle system of a medium speed diesel engine was studied for different fuels. The impact of the temperature was significant, suggesting that accurate knowledge of the injected fuel ...
Defruyt, Sander, Galle, Jonas, Van De Maele, Christophe, Verhelst, Sebastian   +3 more
core   +1 more source

Theoretical limits of scaling-down internal combustion engines [PDF]

, 2011
Small-scale energy conversion devices are being developed for a variety of applications; these include propulsion units for micro aerial vehicles (MAV). The high specific energy of hydrocarbon and hydrogen fuels, as compared to other energy storing means,
Sher, E., Sher, Ilai
core   +1 more source

Phenomenological and Physically Based Modeling of Flow Stress and Strengthening Mechanism of Inconel 718

Advanced Engineering Materials, EarlyView.
Nickel‐based alloys are widely used in high‐temperature applications due to their excellent mechanical strength and oxidation resistance. However, properties such as high‐temperature strength and pronounced work‐hardening make them difficult to machine.
Soheil Rooein, Oliver Schenk, Christoph Broeckmann   +2 more
wiley   +1 more source

The Effect of Uniform and Non-Uniform Electric Fields on Flame Propagation

Journal of Thermal Science and Technology, 2008
The purpose of this study is to elucidate flame propagation behavior under the application of uniform and non-uniform electric fields by using a constant volume vessel.
Shinichi MORIYA, Koji YOSHIDA, Hideo SHOJI, Akira IIJIMA   +3 more
doaj   +1 more source