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How Exhaust Heat Recovery Systems Work
Exhaust heat recovery systems (EHRS) operate by capturing waste heat from the exhaust gases of internal combustion engines and converting it into usable energy. The process typically involves several key components, including heat exchangers, working fluids, and control systems that manage the flow of heat and energy.
The first step in the EHRS process is the extraction of heat from the exhaust gases. This is achieved using a heat exchanger, which transfers heat from the hot exhaust gases to a working fluid, such as water or oil. As the exhaust gases pass through the heat exchanger, they lose some of their thermal energy, which is then absorbed by the working fluid.
Once the heat is transferred to the working fluid, it can be utilized for various applications. For example, in automotive applications, the heated fluid can be used to preheat the engine, reducing the time it takes for the engine…