How is a gas furnace like a cup of coffee with cream? They both involve thermal exchange and a heat exchanger. For the non-scientific among us, Jim Davis at ACHR News uses the comparison to explain the science behind the combustion process. Coffee is the fuel, the cup is the heat exchanger, and cream and water act like oxygen and nitrogen. “Determining true performance of mechanical equipment and adjusting them properly requires measuring their output,” Davis says. Knowing the science behind the combustion process can help you ensure the equipment in your projects is operating in a safe and efficient manner.

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