A linear control variable yields a uniform surge margin across the full operating range and simplifies both closed-loop and ...

Economic analyses demonstrate the operational benefits of using particular energy recovery and scrubber technologies on natural gas transmission systems. The first article of this series, presented ...

Tests on two in–service compressors show corrected performance maps can predict a compressor's performance within 5% relative error under most situations. The ...

A shift to angular and polar coordinates offers control engineers a more physically rigorous, PID-friendly approach ...

HVACR compressor manufacturers strive to deliver high levels of reliability, comfort, and efficiency in a market that also demands low cost and compliance with environmental laws. But now, more than ...