Describe heat transfer systems with suitable examples

Heat transfer systems play a crucial role in various industrial processes, especially in the field of food processing and engineering. These systems are designed to efficiently transfer heat from one medium to another, ensuring proper cooking, preservation, and safety of food products. Here, we'll delve into different types of heat transfer systems along with suitable examples:

1. Conduction: Conduction is the transfer of heat through direct contact between materials. In food processing, conduction is commonly observed in cooking utensils such as pans, pots, and griddles. When a pan is heated on a stove, heat is conducted from the burner to the pan and then to the food placed on it. Similarly, in a pasteurization process, heat is conducted through the walls of a heat exchanger to heat the food product flowing inside.

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