👉 An operating fluid, also known as working fluid or medium, is the substance that facilitates the transfer of energy and performs mechanical work within a system. It can be a liquid, gas, or even a supercritical fluid, chosen based on the specific requirements of the application, such as temperature, pressure, and efficiency. In mechanical engineering, operating fluids are crucial in applications like hydraulic systems, refrigeration cycles, and power generation, where they enable the conversion of energy from one form to another, allowing for precise control and operation of machinery.
