Results 51 to 60 of about 655 (183)

Selective Catalytic Reduction Techniques for Postcombustion Control of Nitrogen Oxide Emissions From a Diesel Engine

Journal of Chemistry, Volume 2026, Issue 1, 2026.
Air pollution effects of nitrogen oxide emissions from diesel engines have now become a global crisis as the emissions greatly endanger environmental and human existence. The detrimental effects as a result of nitrogen oxide emissions include climate change, ozone layer depletion, skin cancer, respiratory and cardiovascular illnesses, and mortalities ...
Brian O. Obita, Simon Ngigi Mbugua, Clare I. Muhanji, Joseph O. Lalah, Sohini Basu Roy   +4 more
wiley   +1 more source

Combustion Modeling for Modern Direct Injection Diesel Engines [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2012
In order to comply with stringent pollutant emissions regulations, a detailed analysis of the engine combustion and emission is required. In this field, computational tools like CFD and engine cycle simulation play a fundamental role. Therefore, the goal
Samad Jafarmadar, Alborz Zehni
doaj  

Effective reduction of in-cylinder peak pressures in Homogeneous Charge Compression Ignition Engine – A computational study

Alexandria Engineering Journal, 2015
HCCI mode of combustion is known for simultaneous reduction of NOx and PM emissions besides yielding low specific fuel consumption. The nature of volumetric combustion of HCCI engine leads to the development of high peak pressures inside the combustion ...
T. Karthikeya Sharma, G. Amba Prasad Rao, K. Madhu Murthy   +2 more
doaj   +1 more source

Fabrication of High Chromium Cast Iron/Hadfield Steel Composite Materials by the Hot Rolling Process

Medžiagotyra
Bimetal composite blanks were successfully prepared from high chromium cast iron (HCCI) and Hadfield steel by the hot-rolling process. The macrostructure and microstructure of the composite were investigated.
Guofeng YUAN, Fei ZHAO, Guijun WU
doaj   +1 more source

Analysis the optimum inlet air temperature for controlling homogeneous charge compression ignition (HCCI) engine

Alexandria Engineering Journal, 2018
Homogeneous charge compression ignition engine is promising replacement for conventional CI diesel engine with lower oxides of nitrogen (NOx) and smoke emissions and improves the thermal efficiency with consume less amount of fuel.
S. Gowthaman, A.P. Sathiyagnanam
doaj   +1 more source

Differences in the travel burden for care between rural and urban patients with opioid use disorder by insurance type

The Journal of Rural Health, Volume 41, Issue 4, Autumn 2025.
Abstract Purpose To compare the time and distance travel burden to access care for rural and urban Medicaid and commercially insured patients with opioid use disorder (OUD), and to understand where they travel for care. Methods We used Medicaid and the Health Care Cost Institute commercial insurance administrative claims data from 2019 to examine the ...
C. Holly A. Andrilla, Sara C. Woolcock, Lisa A. Garberson, Janessa M. Graves   +3 more
wiley   +1 more source

Investigation on Influence of Acetylene Enrichment in Diesel Engines Operating With Microalgae‐Waste Plastic Oil‐Heptane Fuel Mixture

Energy Science &Engineering, Volume 13, Issue 6, Page 3107-3122, June 2025.
The graphical abstract depicts biodiesel production from algae and plastic waste via oil extraction, transesterification, and pyrolysis. These fuels were tested for diesel engine performance, improve combustion, and reduce emissions. ABSTRACT This study investigates the performance and emission characteristics of a diesel engine running on a blend of ...
Veeraraghavan Sakthimurugan, Devarajan Yuvarajan, Subbulakshmi Ganesan, Vijay J. Upadhye, Amandeep Gill, Nandagopal kailiappan   +5 more
wiley   +1 more source

HCCI Engine Optimization and Control [PDF]

, 2005
The goal of this project was to develop methods to optimize and control Homogeneous-Charge Compression Ignition (HCCI) engines, with emphasis on diesel-fueled engines. HCCI offers the potential of nearly eliminating IC engine NOx and particulate emissions at reduced cost over Compression Ignition Direct Injection engines (CIDI) by controlling pollutant
openaire   +2 more sources

Reasonable Intake and Exhaust Processes Scheduling of Two‐Stroke Free Piston Linear Generator for Intelligent New Energy Vehicles

Energy Science &Engineering, Volume 13, Issue 5, Page 2428-2439, May 2025.
Reasonable intake and exhaust processes scheduling. ABSTRACT Considered a promising power plant offering 25% higher efficiency than conventional reciprocating engines, the free piston linear generator (FPLG) has garnered significant attention due to its breakthrough design that eliminates the crank‐connecting rod, thereby achieving enhanced efficiency.
Dequan Zeng, Jun Lu, Yiming Hu, Peizhi Zhang, Jinwen Yang, Qin Yu, Xiaoliang Wang   +6 more
wiley   +1 more source

Influence of mock reformed gas by over-rich SI combustion on HCCI combustion fuelled by methane

Nihon Kikai Gakkai ronbunshu, 2017
HCCI combustion is effective for improving thermal efficiency of a gas engine, but it has problems such as control of the ignition and combustion. To solve the problem, availabilities of dedicated EGR technique are considered to control its ignition and ...
Masaki MIYOSHI, Yudai YAMASAKI, Akane UEMICHI, Shigehiko KANEKO   +3 more
doaj   +1 more source