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4 Important Heat Exchanger Factors to Consider

By on April 17, 2017

Plate and frame heat exchangers

There are a lot of important components to a shell and tube heat exchanger. Perhaps the most important aspect of the heat exchanger is its ability to exchange the heat. This is useful in many industries, especially in the construction and auto technical fields. When you are thinking of heat exchangers, it can be useful to compare it to your vehicle?s radiator. The exchange of heating and cooling is necessary for proper performance. In addition to the careful exchange of heat properties, a shell and tube heat exchanger should also have the following characteristics.

The ability to transfer beyond alternative surfaces
It is not only important for the heat exchanger to exchange heat, but it must also exchange heat transfer through a variety of objects. While a vehicle radiator may only need to exchange heating properties through one device, it may need to go through multiple objects in a different form. It is even possible that the heat exchanger must pass back and forth through the same object. When a heat exchanger?s fluids pass each other more than once, the heat exchanger is called a multi pass heat exchanger. If the fluids pass each other only once, the heat exchanger is called a single pass heat exchanger.

Multiple types of fluids
The shell and tube heat exchanger may also be responsible for fueling oil heaters of different types of fluids. The fluids are likely to be similar when the heat exchanger is in the vehicle?s radiator, however, it may contain multiple fluids in a radiator heater. For the heat transfer to occur, two fluids must be at different temperatures and they must come into thermal contact. Heat exchange involves convection in each fluid and conduction through the separating wall. Heat can flow only from hotter to cooler fluids, as per the second law of thermodynamics. Without this transfer of the different fluids, the heat exchange will not occur.

Type of heat exchanger
The specific type of heat exchanger used also matters when transferring heat properties. Fuel oil heaters, air coolers, and vehicle radiators all require different types of heat exchangers. These shell and tube heat exchangers come in three types. The three types of heat exchangers are parallel flow or counter flow configuration, cross flow configurations, and shell and tube configuration. Although the heat transfer process tends to be somewhat similar, the outcome is what differs. Each property requires a different amount of fluid and heat to be transferred, thus the need for the three different types of heat exchangers.

Amount of heat needed
The amount of heat needed also has to be regulated. If it were not, things like the vehicle?s engine could overheat. Also, the fuel oil heaters could become too hot and become a fire hazard. To prevent these occurrences from happening, the shell and tube heat exchanger needs to be properly installed. It is also important to select a type of heat exchanger that is appropriate for the use and amount of heat needed. The shell and tube heat exchanger should be carefully monitored when first exchanging heat properties.

Heat exchangers are necessary in many different industries, especially the construction and mechanical fields. Without heat exchangers, things like transmissions and radiators would simply not work. A heat exchanger is responsible for transferring necessary heat to then be changed into energy. There are many important factors to consider when using or planning for a shell and tube heat exchanger. The heat exchanger should be appropriate for the use needed, have the ability to transfer multiple fluids across different objects, and provide a safe and secure type of heat transfer.

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