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Compressor Swept Volume Calculator

Calculate geometric displacement per revolution and theoretical flow for a single-acting reciprocating compressor.

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V/rev = N × π × D² × S / 4; theoretical flow = V/rev × RPM. D and S must be positive in the selected length unit; N is a positive integer; RPM may be zero. This single-acting geometric model does not calculate actual inlet flow, clearance losses or double-acting correction.

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Sources and rights

Independent implementation and original wording; linked material is referenced only, with no source code, text or tables copied. No third-party license is claimed for this tool. ASHRAE material remains copyrighted; linking is not permission to reproduce it.

A QUICK WALKTHROUGH

How to use this tool

  1. V/rev = N × π × D² × S / 4; theoretical flow = V/rev × RPM. D and S must be positive in the selected length unit; N is a positive integer; RPM may be zero. This single-acting geometric model does not calculate actual inlet flow, clearance losses or double-acting correction.
  2. Calculate

Formula and limits

V/rev = N × π × D² × S / 4; theoretical flow = V/rev × RPM. D and S must be positive in the selected length unit; N is a positive integer; RPM may be zero. This single-acting geometric model does not calculate actual inlet flow, clearance losses or double-acting correction.

Inputs stay in this browser.

Inputs stay in this browser.

Sources and rights

Independent implementation and original wording; linked material is referenced only, with no source code, text or tables copied. No third-party license is claimed for this tool. ASHRAE material remains copyrighted; linking is not permission to reproduce it. https://terminology.ashrae.org/?letter=C https://handbook.ashrae.org/Handbooks/S24/IP/s24_title_ip.aspx

GOOD TO KNOW

Common questions

How should I interpret this result?

V/rev = N × π × D² × S / 4; theoretical flow = V/rev × RPM. D and S must be positive in the selected length unit; N is a positive integer; RPM may be zero. This single-acting geometric model does not calculate actual inlet flow, clearance losses or double-acting correction.