Convection type oil heaters in a hot oil system typically have what efficiency?

In convection type oil heaters, which are utilized in hot oil systems, the efficiency is generally between 75 to 85%. This range reflects the effectiveness of the heater in transferring heat to the oil while minimizing losses. Convection heaters utilize the principle of heat transfer through the movement of fluid, allowing for relatively high efficiencies due to the heat being directly transferred into the fluid without needing to rely on conduction or radiation as primary methods.

The efficiency of 75 to 85% is significant because it implies that a substantial portion of the energy input is effectively converted into usable heat. This makes convection type oil heaters a practical choice for maintaining the desired temperature in a hot oil system, ensuring better system performance and lower energy costs. The inherent design and operational principles of convection enhancing heat transfer contribute to achieving this level of efficiency.