Increased system efficiency has been gained by reducing heat exchanger approach temperatures and increased isentropic
compressor efficiency to name a few.
Choosing non-genuine or third party spares can have a negative impact on
compressor efficiency and energy consumption.
Compressor efficiency with R-516A appeared to be slightly lower than with R-134a, especially at higher pressure ratios.
In case of isothermal OCAES, liquid piston
compressor efficiency is defined as the ratio of stored energy to work input.
While the cases with slower ramp rates avoid the regions of lower
compressor efficiency, as well as the high off-optimum power turbine speed at high load, the higher average engine efficiency for the faster ramp rates is better than for the slower ramp rates (Figure 4).
By improving
compressor efficiency and recovering heat energy for heating administration rooms, the green salad and herb producer has saved more than 18,000 [euro] per year since it introduced the Boge compressed air and nitrogen formula.
The
compressor efficiency gain was achieved by advancing the design of the compressor impeller, volute, variable diffuser vanes, inlet guide vanes and controls.
This has a significant impact in reducing high
compressor efficiency and stall margins, in these very low aspect ratio blade passages.
The decrease in screw
compressor efficiency at part load is less severe in lower compression ratio applications.