Calculation of the air delivery volume of a reciprocating compressor
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I have 2 DW-2.83/146 compressors, with a gas delivery rate of 2.83 m3/min and an inlet pressure of 2.4 MPa. Please calculate the volume of gas produced per hour, along with the formula used. Previously, we calculated the cross-sectional area of the cylinder, the stroke length, the rotational speed, whether it was a single-acting or double-acting compressor, as well as the power factor; I can’t remember those details anymore. Help solve it
1. Calculated using the ideal gas law: P1V1/T1 = P2V2/T2. The volumetric flow rate under standard conditions is V1 = P2 * V2 * T1 / T2 = 2.5 * (2.83 * 60) * 273.15 / T2; simply enter the inlet temperature under operating conditions. 2. If the densities under standard conditions and operating conditions can be found, they can also be calculated based on the law of conservation of mass. 3. The inlet pressure here is 2.4 MPa; the temperature isn’t specified, so it’s difficult to assume that it behaves as an ideal gas. If that’s not the case, the results obtained using the first method will have significant deviations. Some gases can be approximated as ideal gases even at high pressures; you can check: victory:
Effect of reduced inlet pressure on the air delivery volume of a reciprocating compressor
I’m sorry; there was a mistake in the first derivation formula. It should be V1 = P2V2T1/(P1T2). I*usually take the standard pressure as 1 (kilogram), and the absolute pressure under operating conditions is calculated in kilograms; for example, here P2 is 25 and P1 is 1, so just cross it out: L