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دسته بندی:
مهندسی مکانیک - mechanical engineering
سال انتشار:
2016
عنوان انگلیسی مقاله:
An algebraic model for bypass transition in turbomachinery boundary layer flows
ترجمه فارسی عنوان مقاله:
مدل جبری برای انتقال فرعی در جریان های لایه مرزی توربوماشین
منبع:
Sciencedirect - Elsevier - International Journal of Heat and Fluid Flow, 58 (2016) 68-83. doi:10.1016/j.ijheatfluidflow.2016.01.001
نویسنده:
S. Kubacki, K. Soorya Prakash, R. Sudhakaran, M. Sathish Kumar
چکیده انگلیسی:
This paper deals with emission quality of diesel engine based on eco toxicological studies with different
methods of environmental standard toxicity tests satisfy the Bharath and European emission norms. Based on
the emission norms, Corn Oil Methyl Ester (COME) with diesel is tested in a compression ignition engine and
the performance and combustion characteristics are discussed. The corn oil was esterified and the property of
corn oil methyl ester was within the limits specified in ASTM D 6751–03. The COME was blended together with
diesel in different proportion percentages along with B20, B40, B60, B80, and B100. The emission and performance tests for various blends of COME was carried out using single cylinder, four stroke diesel engine, and
compared with the performance obtained with 100% diesel (D100). The results give clear information that
COME has low exhaust emissions and increase in performance compared to D100 without any modifications. It
gives better performance, which is nearer to the obtained results of D100. Specific Fuel Consumption (SFC) of
B100 at the full load condition is found to be 4% lower than that of (D100). The maximum Brake Thermal
Efficiency (BTE) of B100 is found to be 8.5% higher than that of the D100 at full load. Also, the maximum BTE of
part load for different blends is varied from 5.9% to 7.45% which is higher than D100. The exhaust gas emissions
like Carbon Monoxide (CO), Carbon Dioxide (CO2), Hydro Carbon (HC) and Nitrogen Oxide (NOx) are found to
be 2.3 to 18.8% lower compared to D100 for part as well as full load. The heat release rate of biodiesel and it
blends are found to 16% to 35% lower as compared to D100 for part load, where as for full load it is 21% lower
than D100. The results showed that the test of emissions norms are well within the limits of Bharath VI and
European VI and it leads to less pollution, less effect on green eco system and potential substitute to fossil fuels.
Keywords: Corn Oil Methyl Ester | Compression Ignition Engine | Performance | Emission | Combustion | Toxicity Test Norms
قیمت: رایگان
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