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Principles of Heat Transfer: Gas Furnaces - Research Paper Example

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The research paper “Principles of Heat Transfer: Gas Furnaces” describes a machine or a device that produces or acts as a source of heat. In the United States and other cold countries, the device acts as the source of warmth in many homes and houses…
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Principles of Heat Transfer: Gas Furnaces
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Download file to see previous pages Furnaces generated heat through combustion of wood during the early days of the invention. Wood was replaced by coal as a form of fuel in the 17th century. This was replaced by gas in the 1940’s and finally in the 1970’s electric furnaces replaced the gas furnaces. Wood and coal furnaces were dispensed way with because of their heat inefficiency and constant attention required in the feeding of fuel (Mullinger 100).
Today, modern furnaces are manufactured using aluminum, stainless steel, fiberglass, and copper. The modern furnaces are designed to avoid heat inefficiencies. The heat exchangers are made out of stainless steel in order to avoid rusting, while the blowers, burners, and stand are made out of aluminized steel. Brass and copper are used for the valves and wiring respectively, while the fiberglass insulates the hood of the furnace.
The most valuable part of a furnace is the heat exchanger. This component is responsible for the efficiency of any furnace; therefore, its design and mode of functioning is an integral element when purchasing a furnace. This paper focuses on furnace performance as a function of heat exchanger design, and it tackles the principles that involve the efficiency of different standard furnaces.
As aforementioned, the heat exchanger is a critical component of a furnace. The condition and functioning of a furnace depending on the condition of this critical component. The heat exchanger functions to separate the exhaust gases and flames from the air circulating inside the house. The component makes sure that the hot gas does not directly meet air on the other side of the heat exchanger.
A heat exchanger has a life expectancy of 20 years. After this period, the heat exchanger may fail in two ways; it can crack or rust.  ...Download file to see next pagesRead More
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