Results 11 to 20 of about 7,956,219 (282)

Effect of Spark Ignition Timing and Water Injection Temperature on the Knock Combustion of a GDI Engine

open access: yesEnergies, 2020
A turbocharged downsizing spark ignition (SI) engine cooperating with an in-cylinder direct injection technology is one of the most effective ways to improve the power and economy of gasoline engines. However, engine knock has limited the application and
Aqian Li, Zhaolei Zheng
doaj   +2 more sources

2D CFD Simulation of Water Injection Strategies in a Large Marine Engine

open access: yesJournal of Marine Science and Engineering, 2019
A two-dimensional computational fluid dynamics (2D CFD) simulation of a low-speed two-stroke marine engine simulation was performed in order to investigate the performance of 2D meshes that allow the use of more complex chemical schemes and pollutant ...
Tomislav Senčić   +3 more
doaj   +2 more sources

Numerical Analysis of NOx Reduction Using Ammonia Injection and Comparison with Water Injection

open access: yesJournal of Marine Science and Engineering, 2020
This work analyzes NOx reduction in a marine diesel engine using ammonia injection directly into the cylinder and compares this procedure with water injection. A numerical model based on the so-called inert species method was applied.
María Isabel Lamas Galdo   +2 more
doaj   +2 more sources

Experimental Study on the Influence of Coal Fracture Surface Roughness on Water Injection Seepage. [PDF]

open access: yesACS Omega, 2022
Coal seam water injection has a significant effect on downhole dust resistance. However, during the operation of coal seam water injection, the seepage of the solution in the coal fractures is impacted by the roughness of coal fractures.
Wang G, Liu Y, Huang Q, Wang E, Liu N.
europepmc   +2 more sources

Efficacy of 5% Dextrose Water Injection for Peripheral Entrapment Neuropathy: A Narrative Review. [PDF]

open access: yesInt J Mol Sci, 2021
Current non-surgical treatment for peripheral entrapment neuropathy is considered insignificant and unsustainable; thus, it is essential to find an alternative novel treatment.
Wu YT   +5 more
europepmc   +2 more sources

The Influence of Micro-Heterogeneity on Water Injection Development in Low-Permeability Sandstone Oil Reservoirs

open access: yesMinerals, 2023
Micro-heterogeneity in low-permeability sandstone oil reservoirs significantly influences the uniformity of water injection during development. This leads to the formation of preferred channels for water injection, causing premature water breakthroughs ...
Mao Li, Zhan Qu, Mu Wang, Wang Ran
semanticscholar   +1 more source

Optimization and Application of Water Injection Process in Gas-Bearing Coal Seam

open access: yesProcesses, 2023
Coal seam pre-drainage technology is widely used to prevent and control gas in China’s high-gas coal seams, and upward drilling is a safe and reliable technology.
Xiaolu Lin   +4 more
semanticscholar   +1 more source

Intelligent Oil Production Stratified Water Injection Technology

open access: yesWireless Communications and Mobile Computing, 2022
As the driving energy to deal with the decrease of interlayer pressure caused by continuous oil production, the layered water injection technology has the characteristics of inhibiting the decrease of oil production and slowing down the increase of oil ...
Hanlie Cheng   +4 more
semanticscholar   +1 more source

Experimental investigation on reservoir damage caused by clay minerals after water injection in low permeability sandstone reservoirs

open access: yesJournal of Petroleum Exploration and Production Technology, 2021
Water injection is an effective method for developing low permeability sandstone reservoirs. In the process of water flooding, reservoir damage can occur due to clay mineral content changes and it will significantly affect oil production.
Yazhou Zhou, Wenbin Yang, D. Yin
semanticscholar   +1 more source

Influence of Water Injection Pressure on Methane Gas Displacement by Coal Seam Water Injection

open access: yesGeofluids, 2022
It is of great significance to study the pattern of displacing methane gas with water in the coal seam water injection process for the prevention and control of gas disasters.
Tianwei Shi   +3 more
semanticscholar   +1 more source

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