Years ago, it was common for shops to have a central power source that drove all the tools through a system of belts, wheels and driveshafts. The power was routed around the work space by mechanical ...

Now that we know how to calculate a compression ratio, let’s dig a bit deeper into what compression ratio physically means when applied to a cooling system. In reciprocating compressors, there must be ...

The hottest temperature point in a refrigeration or air conditioning system is on the back of the compressor’s discharge valve, as shown in Figure 1. However, since this point cannot be measured by a ...