نتایج جستجو برای: combustion parameters

تعداد نتایج: 606823  

Journal: :Пожаровзрывобезопасность 2017

2007
CONSTANTIN ROTARU DORU GHEORGHE SAFTA CRISTIAN BARBU

In this paper are presented the results obtained by modelling and simulation of the combustion in a turbojet engine. The study of the mathematical model represented by the equations which described the combustion process was made by using the software FLUENT 6.1. The paper is focused on the establishment of the link between the control laws of the turbojet engine (whose main parameter is the fu...

ژورنال: تحقیقات موتور 2010
جزایری, سید علی, جهانیان, امید,

Homogenous charge compression ignition engine is a promising idea for reducing fuel consumption and engine emissions. As homogenous mixture of air and fuel is compressed until auto-ignition occurs in HCCI engines, therefore start of combustion is strongly related to chemical kinetic mechanism of fuel oxidation. In this paper, a thermodynamic single-zone model including detailed chemical kine...

2012
Bharat Bhushan Ravindra kumar Shruti Mishra

In this paper computational analysis of pressure and velocity in coal combustion system using the fluent software is analysed. The combustion of coal is used in circulating fluidized bed combustion system. This work is concerned about gas–solid two-phase mixtures flowing upwards through the fast beds. The type of information resulting from various ways of analyzing the pressure variations and t...

2005
L. Gunnar Eriksson Björn Kjellström

The solid residue from wood-based ethanol production has a low ash content and high heating value, making it interesting for combustion applications, e.g. small-scale appliances and gas turbines. Combustion and gasification properties have been studied using thermogravimetric analysis (TGA) and differential thermal analysis (DTA). Char combustion rate data obtained could be used in combustion s...

A. Aghaei, A. Moosavi,

Abstract: Auto-ignited gel combustion process has been used for producing a red hematite-zircon based pigment. The combustible mixtures contained the metal nitrates and citric acid as oxidizers and fuel, respectively. Sodium silicate (water glass) was used as silica source for producing zircon phase. X-Ray Diffractometery, Electron Microscopy and Simultaneous Thermal Analysis were used for ...

Increasingly restrictive emission regulations and renewed focus on energy efficiency drive the current researches to find alternative fuels and their related better combustion strategies. In this regard, dual fuel engines, in which natural gas fuel is used as a main fuel and diesel fuel is employed as a pilot fuel, have received considerable attention. However, poor fuel utilization efficiencie...

2012
Adam Charchalis Jerzy Krefft

The economizers are used for production of steam heating on en route ships. The economizers are producing steam in a heat exchange process from the ship’s main engine exhaust gas. Products of the incomplete combustion of the heavy fuel oil remaining in engines, passing the boiler, collect on the heat exchange surface of the economizer. When the incorrect assumptions are made for the boiler oper...

2015
Sanjay Mukherjee Prashant Kumar Aidong Yang Paul Fennell

Carbon dioxide (CO2) emitted from conventional coal-based power plants is a growing concern for the environment. Chemical looping combustion (CLC), pre-combustion and oxy-fuel combustion are promising CO2 capture technologies which allow clean electricity generation from coal in an integrated gasification combined cycle (IGCC) power plant. This work compares the characteristics of the above thr...

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