Results 41 to 50 of about 155,121 (170)

Optimal Injection Parameters for Enhancing Coalbed Methane Recovery: A Simulation Study from the Shizhuang Block, Qinshui Basin, China

Geofluids, 2022
The injection of N2 into coal reservoir has great potential in improving recovery of coalbed methane (CBM). In this study, a numerical model was established based on the GEM component model to evaluate the influences of different N2 injection parameters (
Du Liu, Longyong Shu, Yanbin Wang, Zhonggang Huo, Shihu Zhao, Xing Xiong   +5 more
doaj   +1 more source

Balancing Efficiency and Emissions: A Study on Biodiesel‐Hydrogen Dual‐Fuel Engine Performance Under Varying Injection Timings

Engineering Reports
The growing demand for cleaner energy sources has intensified research on alternative fuels for diesel engines to mitigate environmental concerns. This study presents a novel approach by investigating the combined effect of injection timing (IT) and ...
Vasanthkumar Periyathambi, Manikandan Ezhumalai, Mohan Govindasamy, Ratchagaraja Dhairiyasamy, Deekshant Varshney, Subhav Singh   +5 more
doaj   +1 more source

Numerical Study and Optimization of Combustion and Emissions of Ammonia/Diesel Dual-Fuel Engines Under Heavy Load

Energies
Ammonia fuel is expected to emerge as an effective alternative to fossil fuels due to its zero-carbon nature, high-efficiency storage and transportation advantages, and extensive industrial manufacturing infrastructure.
Shikai Xing, Xianglong Li, Juxia Li, Jianbing Gao, Qiang Lu, Xiaochen Wang, Yunge Zhao, Sunchu Wu, Zhonghui Fu   +8 more
doaj   +1 more source

Influence of CO2 injection timing on enhanced coalbed methane recovery using thermo-hydro-mechanical coupled model

Case Studies in Thermal Engineering
Delayed CO2 injection can prevent premature CO2 breakthrough to production wells during CO2 enhanced coalbed methane (CO2-ECBM) recovery. Currently, the influence of CO2 injection timing on CO2-ECBM recovery is unclear.
Hexiang Xu, Cheng Zhai, Jizhao Xu, Yong Sun, Ting Liu, Yangfeng Zheng, Hongyang Xu, Ting Huang   +7 more
doaj   +1 more source

Implementation of thermal and fuel stratification strategies to extend the load limit of HCCI engine

Journal of Thermal Science and Technology, 2019
The HCCI engine can be a possible potential engine technology that gives high performance with fewer dangerous exhaust emissions. In HCCI engines, low-temperature combustion of lean, highly premixed charge effectively reduces the NOX and soot.
Amit KARWADE, Shashikant THOMBRE
doaj   +1 more source

Combustion Phasing Controllability with Dual Fuel Injection Timings

SAE Technical Paper Series, 2012
<div class="section abstract"><div class="htmlview paragraph">Reactivity controlled compression ignition through in-cylinder blending gasoline and diesel to a desired reactivity has previously been shown to give low emission levels and a clear simultaneous efficiency advantage.
Leermakers, C.A.J., Somers, L.M.T., Johansson, B.H.   +2 more
openaire   +2 more sources

Waiting Times Distribution for Fluid-Injection Induced Seismicity

, 2023
Waiting times distributions between successive earthquakes have extensively been studied to provide insights into the physical mechanism of seismogenesis and to effectively assess seismic hazard. While in tectonic seismicity the waiting times distribution is well-defined as the superposition of Omori-like aftershock sequences on correlated and/or ...
Michas, G., Vallianatos, F.
openaire   +2 more sources

A Review of Early Injection Strategy in Premixed Combustion Engines

Applied Sciences, 2019
Due to the increasing awareness of environmental protection, limitations on exhaust emissions of diesel engines have become increasingly stringent. This challenges diesel engine manufacturers to find a new balance between engine performance and emissions.
Xingyu Liang, Zhiwei Zheng, Hongsheng Zhang, Yuesen Wang, Hanzhengnan Yu   +4 more
doaj   +1 more source

Performance Assessment of a Diesel Engine Fueled with Biodiesel in a Plateau Environment

Energies
Biodiesel has a higher oxygen content and a higher cetane number, which can compensate for the intake oxygen deficiency in diesel engines in a plateau environment to a certain extent.
Guangmeng Zhou, Xumin Zhao, Zhongjie Zhang, Zengyong Liu, Surong Dong, Qikai Peng   +5 more
doaj   +1 more source

Influence of injection timing and compression ratio on performance, emission and combustion characteristics of Annona methyl ester operated diesel engine

Alexandria Engineering Journal, 2015
This study targets at finding the effects of the engine design parameters viz. compression ratio (CR) and fuel injection timing (IT) jointly on the performance with regard to specific fuel consumption (SFC), brake thermal efficiency (BTHE) and emissions ...
Ramalingam Senthil, Rajendran Silambarasan, Nattan Ravichandiran   +2 more
doaj   +1 more source