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chhitiz
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what are the Cp and Cv values of petrol and air?
What Are the Cp and Cv Values for Petrol and Air?
- Thread starter chhitiz
- Start date
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- Tags
- Air Heat Specific Specific heat
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Discussion Overview
The discussion revolves around the specific heat capacities (Cp and Cv) of petrol and air, focusing on their values and the implications for calculations involving the specific heat ratio.
Discussion Character
- Technical explanation, Homework-related
Main Points Raised
- One participant inquires about the Cp and Cv values for petrol and air.
- Another participant provides a link to a resource that lists specific heat values for various fluids.
- A participant mentions using a gamma value of 1.3 for the polytropic constant, suggesting that this is relevant for calculations but notes that it depends on the blend of petrol and the fuel-to-air ratio for accuracy.
- A follow-up question is raised regarding the Cv value, indicating that the initial response only addressed Cp and emphasizing the need to calculate the specific heat ratio.
Areas of Agreement / Disagreement
Participants do not reach a consensus on the specific values for Cp and Cv, and multiple viewpoints regarding the dependencies and calculations remain present.
Contextual Notes
The discussion highlights the dependence of specific heat values on the blend of petrol and the fuel-to-air ratio, which may affect the accuracy of the calculations.