Results 21 to 30 of about 514,804 (300)

Experimental and Modeling Study of Wall Film Effect on Combustion Characteristics of Premixed Flame in a Constant Volume Combustion Bomb

Frontiers in Mechanical Engineering, 2022
The primary objective of the present study was to investigate the impact of wall film on the combustion characteristics of premixed flames in internal combustion engines through the joint experimental and numerical techniques. The interaction between the
Shijie Bai, Hongsheng Zhang, Chang Li, Chaohui Wu, Xingyu Liang, Kun Wang   +5 more
doaj   +1 more source

Circle grid fractal plate as a turbulent generator for premixed flame: an overview [PDF]

, 2013
This review paper focuses to ascertain a new approach in turbulence generation on the structure of premixed flames and external combustion using a fractal grid pattern.
A Khalid, B Manshoor, Idris M S, Laizet S, M F Othman, Mandelbrot B, Mohd Adib M A H, Naga Sarada S, Nedic J, Queiros-Conde D, Salim S M M, Seoud R E Vassilicos J C, Sponfeldner T, Syam Sundar L, Tahseen T A, Tahseen T A, Tennekes, Vijaya Lakshmi B   +17 more
core   +1 more source

Identification of Flame Regimes in Partially Premixed Combustion from a Quasi-DNS Dataset

Flow Turbulence and Combustion, 2020
Identifying combustion regimes in terms of premixed and non-premixed characteristics is an important task for understanding combustion phenomena and the structure of flames.
T. Zirwes, Feichi Zhang, P. Habisreuther, M. Hansinger, H. Bockhorn, M. Pfitzner, D. Trimis   +6 more
semanticscholar   +1 more source

Effect of Intake Air Temperature and Premixed Ratio on Combustion and Exhaust Emissions in a Partial HCCI-DI Diesel Engine

Sustainability, 2021
Homogeneous charge compression ignition (HCCI) is considered an advanced combustion method for internal combustion engines that offers simultaneous reductions in oxides of nitrogen (NOx) emissions and increased fuel efficiency. The present study examines
Y. Teoh, Hishammudin Afifi Huspi, H. G. How, Farooq Sher, Z. Din, T. D. Le, Huu Tho Nguyen   +6 more
semanticscholar   +1 more source

A new multi-dimensional flamelet generated manifolds approach for approximating partially premixed flame structure

Journal of Thermal Science and Technology, 2015
A new multi-dimensional flamelet generated manifolds(MFM) approach is proposed based on solving multi-dimensional flamelet equation set in mixture fraction Z and normalized flamelet progress variable c coordinate, to capture both non-premixed and ...
Yuxin WU, Changmin CAO, Taohong YE, Qizhao LIN   +3 more
doaj   +1 more source

Study on Combustion Oscillation of Premixed Flame with Pilot Fuel at Elevated Pressures

Journal of Thermal Science and Technology, 2009
Acoustically-coupled combustion oscillation is studied for premixed flame with pilot fuel to be used in gas turbine combustors. Premixed gas is passed through swirl vanes and burnt with the centrally injected pilot fuel.
Masaya OHTSUKA, Shohei YOSHIDA, Yoshitaka HIRATA, Nariyoshi KOBAYASHI   +3 more
doaj   +1 more source

A Lagrangian-based flame index for the transported probability density function method

Theoretical and Applied Mechanics Letters, 2022
We propose a new flame index for the transported probability density function (PDF) method. The flame index uses mixing flux projections of Lagrangian particles on mixture fraction and progress variable directions as the metrics to identify the ...
Zhen Lu, Hua Zhou, Zhuyin Ren, Yue Yang, Hong G. Im   +4 more
doaj   +1 more source

An experimental study on premixed charge compression ignition-direct ignition engine fueled with ethanol and gasohol

Alexandria Engineering Journal, 2015
This paper investigates the combustion, performance and emission characteristics of a partial Premixed Charge Compression Ignition-Direct Injection (PCCI-DI) Engine with premixed fuels ethanol and gasohol (90% gasoline and 10% ethanol by volume) along ...
S. Saravanan, K. Pitchandi, G. Suresh
doaj   +1 more source

A Critical Review of the Performance, Combustion, and Emissions ‎Characteristics of PCCI Engine Controlled by Injection Strategy and ‎Fuel Properties [PDF]

Journal of Engineering Research - Egypt, 2022
As internal combustion engines (ICEs) produce serious emissions and a big part of greenhouse gases from fuel combustion. Due to the universal concerns about degradation in the ambient environment, limitations on exhaust emissions, depletion of petroleum ...
Medhat Elkelawy, Hagar Alm ElDin Mohamad, Elshenawy Abd elhamid, Mahmoud El-Gamal   +3 more
doaj   +1 more source

Combustion Visualization of Partially Premixed and Non Premixed Diesel Fuel on Single Cylinder Optical Engine

European Mechanical Science, 2019
Ignition and flame propagation phenomenon of dieselfuel combustion was investigated in an optical single cylinder engine. Conventionalnon-premixed diesel combustion and partially premixed combustion types were investigated.Experiments were performed on ...
Cengizhan Cengiz, Seyfullah Berk, Aydın Ayyıldız, Arda Coşkun, Serenat Karagöz   +4 more
doaj   +1 more source