Minuscule circuit of the electric AC heater controller presented here is built around the renowned 3-Pin Integrated Temperature Sensor LM35 (IC1) from NSC. Besides, a popular BiMos Op-amp CA3140 (IC2) ...

When we left you last (Installing a Vintage Air Heater with a Stewart-Warner 781 Heater) we had gutted our vintage Stewart-Warner 781 South Wind heater and converted it to a hot air distribution box ...

The increased use of intermittent renewable energy sources and the shift to gas-fired combustion turbines places new burdens on the dispatch of many coal-fired units. Steam units must now operate at ...

Meaningful, yet often hidden thermal performance losses occur in feedwater heaters. These controllable losses frequently occur because of poor-performing level controls. In this article, three issues ...