Question
Download Solution PDF4-स्ट्रोक SI इंजन पर एक प्रयोग के दौरान, यह देखा गया कि प्रत्येक कार्य चक्र के दौरान सिलिन्डर के अंदर अधिकतम और न्यूनतम दाब क्रमशः 5 bar और 200 bar था। यदि संपीड़न अनुपात 8 था, तो माध्य प्रभावी दाब लगभग है:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है: Pmax = P3 = 200 bar, Pmin = P1 = 5 bar, \(r = \frac {V_1}{V_2}=8\), समऐन्ट्रॉपी प्रक्रम 1–2 के लिए: \({P_1}V_1^\gamma = {P_2}V_2^\gamma \) ⇒ \({P_2} = {P_1}{\left( {\frac{{{V_1}}}{{{V_2}}}} \right)^\gamma } = 5 \times {\left( 8 \right)^{1.4}} = 91.89~bar\) ∴ दाब अनुपात, \({r_p} = \frac{{{P_3}}}{{{P_2}}} = \frac{{200}}{{91.89}} = 2.17\) ∵ माध्य प्रभावी दाब, \(MEP= \frac{{{P_1}\times r\times\left( {{r_p} - 1} \right)\times\left( {{r^\gamma }^{ - 1} - 1} \right)}}{{\left( {r - 1} \right)\times\left( {\gamma - 1} \right)}}\) = \( \frac{{5 \times 8 \times \left( {2.17 - 1} \right)\left( {{8^{0.4}} - 1} \right)}}{{\left( {8 - 1} \right)\left( {1.4 - 1} \right)}} = 21.68~bar\)
Last updated on May 20, 2025
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