Mechanical refrigeration is accomplished by continuously circulating, evaporating, and condensing a fixed supply of refrigerant in a closed system. Evaporation occurs at a low temperature and low ...

Simple cycle gas turbines provide efficiency levels of around 35% to 40%. Combined cycle units boost efficiency to 60% and beyond. But another option is emerging that combines the attributes of simple ...

A fundamental knowledge of the refrigeration cycle, refrigerants, and components is necessary to be successful in the field, and pass the closed-book EPA Section 608 refrigerant certification ...

With global energy prices soaring to record high levels and no end in sight, home appliance manufacturers struggle to find innovative and effective ways to improve energy efficiency. Among the most ...