搜索结果: 1-15 共查到“工学 Ignition”相关记录16条 . 查询时间(0.105 秒)
Experimental investigation on traversing hot jet ignition of lean hydrocarbon-air mixtures in a constant volume combustor
Jet Ignition Engine Wave Rotor Combustion
2015/1/12
A constant-volume combustor is used to investigate the ignition initiated by a
traversing jet of reactive hot gas, in support of combustion engine applications that include novel wave-rotor constant-...
Experimental Investigation into Combustion Torch Jet Ignition of Methane-Air, Ethylene-Air, and Propane-Air Mixtures
Torch Jet Hot Gas Jet Ignition Ethylene Methane Propane
2015/1/12
Ignitability and the ignition delay time of a combustible mixture in a long combustion chamber, ignited by a hot combustion torch jet generated in a pre-chamber was investigated experimentally in rela...
Ignition Pattern Analysis for Automotive Engine Trouble Diagnosis using Wavelet Packet Transform and Support Vector Machines
automotive engine ignition pattern diagnosis pattern classification
2011/8/5
Engine spark ignition is an important source for diagnosis of engine faults. Based on the waveform of the ignition pattern, a mechanic can guess what may be the potential malfunctioning parts of an en...
汽油机油膜模型参数辨识（Parameters Identification of the Fuel Film Model for Spark Ignition Engines）
汽油机 油膜模型 参数辨识
2010/12/28
为了提高汽油机瞬态空燃比的控制精度，油膜模型被广泛使用。回顾了油膜模型参数的传统辨识方法，提出了可加快辨识过程的解耦辨识法，实现了模型参数的解耦自动辨识。通过仿真试验，证明了该解耦辨识法的有效性。最后提出了较为理想的双方程辨识方法，可定量计算得到油膜参数的值。
Shock tube study of n-decane ignition at low pressures
Ignition delay time n-Decane Heated shock tube
2012/2/24
Ignition delay times for n-decane/O_2/Ar mixtures were measured behind reflected shock waves using endwall pressure and CH* emission measurements in a heated shock tube. The initial postshock conditio...
A STUDY ON SPONTANEOUS IGNITION OF BITUMINOUS COAL
self-heating spontaneous ignition bituminous coals
2009/10/14
The thermal properties of four bituminous coals were studied using isothermal and temperature-programmed calorimeters, such as a differential thermal analysis, a heat flux calorimeter C80 and an therm...
SPONTANEOUS IGNITION OF BIODIESEL: A POTENTIAL FIRE RISK
biodiesel spontaneous ignition fire
2009/10/14
The spontaneous ignition of biodiesel was for the first time suspected to be the cause of a recent fire in Japan. We herein present experimental evidence implying this potential risk of biodiesel. Thu...
INVESTIGATION INTO THE EFFECT OF DIFFERENT FUELS ON IGNITION DELAY OF M-TYPE DIESEL COMBUSTION PROCESS
ignition delay case study M-type
2009/10/14
An ignition delay is a very complex process which depends on a great number of parameters. In practice, definition of the ignition delay is based on the use of correlation expressions. However, the co...
A Simulation Model for a Single Cylinder Four-Stroke Spark Ignition Engine Fueled with Alternative Fuels
Power generation Pollution ICE Spark ignition engine model Simulation model Thermodynamics
2009/10/9
Considering the energy crises and pollution problems today, investigations have concentrated on decreasing fuel consumption by using renewable alternative fuels and on lowering the concentration of to...
Feasibility Study of Auto Ignition in In-situ Combustion Process
In-situ combustion Heavy oil Kinetic model Auto ignition
2009/8/4
Application of in-situ combustion is not widespread for a variety of reasons including the relatively large expense required to evaluate prospects. Moreover, because of the complexity of in-situ comb...
甲醇缸内直喷发动机均质燃烧特性研究（Experiment on Homogeneous Charge Combustion Characteristics of Direct-injection Spark-ignition Methanol Engine）
缸内直喷 均质燃烧 甲醇发动机 燃烧特性 试验
2010/5/5
在一台四缸柴油机改造的火花点火甲醇缸内直喷发动机上，高负荷时，在进气冲程将燃油喷入缸内，形成近化学计量比的混合气来实现均质燃烧。通过对典型工况的气缸压力的测量和分析，探讨了不同参数对甲醇发动机燃烧特性的影响。结果表明：甲醇缸内直喷发动机最大功率和最大扭矩比原机分别提高5.88％和20.90％，发动机最高热效率可达35.3%，远高于普通汽油机水平。甲醇缸内直喷发动机的滞燃期和急燃期随负荷的增加而变小...
Minimum Ignition Energy of Ozone/Oxygen Mixture Gas
Minimum Ignition Energy Ozone/Oxygen Mixture Gas
2013/9/30
Recently, with the development of the ozone generator, it has become possible to obtain high concentration of ozone up to 15vol.% in oxygen. In the previous study, the decomposing explosion properties...
Integration of Individual Simulation Codes for Fast Ignition
Fast ignition Distributed computing Code integration
2009/6/8
Overall fluid dynamics of the implosion, laser-plasma interaction and super hot electron generation, and super hot electron energy deposition within the core are key issues in the Fast Ignition scheme...
Prospects for Fast Ignition Laser Fusion Reactors
Laser fusion Reactor design Fast ignition
2009/6/8
The fast ignition concept is attractive because a high gain is achieved by small laser energy. Based on fast ignition targets the design windows of laser fusion modular power plants, which have severa...
Improving the Performance of Two Stroke Spark Ignition Engine by Direct Electronic CNG Injection
Two-stroke spark ignition engine direct injection CNG
2010/1/15
Two stroke spark ignition engines have high exhaust emissions and low brake thermal efficiency due to the short circuiting losses and incomplete combustion, which occur during idling and at part load ...