Author's note: In the Jan. '09 issue of HPP, the technical article "Keep a Cool Head" described installing Evans NPG coolant in a Pontiac engine, along with other modifications. Due to the varied ...
Combined heat and power (CHP), also known as cogeneration, is the simultaneous production of electricity and heat from a single fuel source, such as: natural gas, biomass, biogas, coal, waste heat, or ...
Researchers have used an ensemble of NV− centers in diamond for implementing different types of quantum heat engines. They have used these to demonstrate the equivalence of the power output of two ...