5篇
您的检索式：作者名="Badar M. Ghauri"
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| 1 | Kinetic models of natural gas combustion in an internal combustion engine显示文摘In this study, combustion of methane was simulated using four kinetic models of methane in CHEMKIN 4.1.1 for 0-D closed internal combustion (IC) engine reactor. Two detailed (GRIMECH3.0 & UBC MECH2.0) and two reduced (One step & Four steps) models were examined for various IC engine designs. The detailed models (GRIMECH3.0, & UBC MECH2.0) and 4-step models successfully predicted the combustion while global model was unable to predict any combustion reaction. This study illustrated that the detailed model showed good concordances in the prediction of chamber pressure, temperature and major combustion species profiles. The detailed models also exhibited the capabilities to predict the pollutants formation in an IC engine while the reduced schemes showed failure in the prediction of pollutants emissions. Although, there are discrepancies among the profiles of four considered model, the detailed models (GRIMECH3.0 & UBC MECH2.0) produced the acceptable agreement in the species prediction and formation of pollutants. | M. Mansha A. R Saleemi Badar M. Ghauri | 2010 | Journal of Natural Gas Chemistry2010，19，1： | 2 |
| 2 | Prediction and measurement of pollutant emissions in CNG fired internal combustion engine显示文摘In the present study, the detailed reaction mechanisms were developed and Chemkin 4.1.1 was implemented to predict the formation of pollutant species in compressed natural gas (CNG) fired internal combustion (IC) engine. The proposed mechanisms were developed by coupling the EXGAS (an automatic mechanism generation tool for alkane oxidation) mechanisms with the Leed's NOx mechanism (version 2.0). The simulation results of each proposed mechanism were validated by the experimental measurements for profiles of temperature, pressure and pollutant species (CO, NOx). The rate of production analysis of each mechanism identified the important reactions in each mechanism which contributed to the formation of pollutant species. In spite of some discrepancies, the experimental measurements indicate that Mechanism-IV (consisting of 208 reactions and 78 species) showed closer agreement for each of the predicted profiles of temperature, pressure and pollutant species (CO, NOx). | M. Mansha A. R. Saleemt Javed S. H Badar M. Ghauri | 2010 | Journal of Natural Gas Chemistry2010，19，5： | 1 |
| 3 | Characterization and source apportionment of ambient air particulate matter (PM 2.5 ) in Karachi显示文摘 | M. Mansha Badar Ghauri Said Rahman Arif Amman | 2011 | Science of the Total Environment2011，，： | 1 |
| 4 | Gaseous and aerosol pollutants during fog and clear episodes in South Asian urban atmosphere显示文摘 | K.F. Biswas Badar M. Ghauri Liaquat Husain | 2008 | Atmospheric Environment2008，，33： | 1 |
| 5 | An assessment of air quality in Karachi, Pakistan显示文摘 | Badar Ghauri Manzar Salam M. Ishaq Mirza | 1994 | Environmental Monitoring and Assessment1994，，1： | 1 |
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