May below article will help u,
Counter current heat exchanger
https://pharmaguides.in/countercurrent-heat-exchanger/
Counterflow exchanger in which the two fluids flow parallel to each other but in opposite directions. This type of flow arrangement allows the largest change in temperature of both fluids and is therefore most efficient (where efficiency is the amount of actual heat transferred compared with the theoretical maximum amount of heat that can be transferred).
A counter current heat exchanger is a type of heat exchanger that is designed to transfer heat between two fluids or gases that flow in opposite directions, or counter to each other. This type of heat exchanger is often used in industrial applications and in various engineering fields, such as chemical engineering, petroleum engineering, and power generation.
In a counter current heat exchanger, the hot and cold fluids flow through separate channels, and the heat is transferred from the hot fluid to the cold fluid through a heat transfer surface. The two fluids flow in opposite directions, which maximizes the heat transfer efficiency and minimizes the temperature difference between the two fluids at the exit of the exchanger.
The counter current heat exchanger is more efficient than other types of heat exchangers, such as the co-current heat exchanger, in which the hot and cold fluids flow in the same direction. In a counter current heat exchanger, the temperature difference between the two fluids is always maintained throughout the heat transfer process, resulting in a higher overall heat transfer coefficient.
Counter current heat exchangers are commonly used in industrial applications, such as in power plants to recover waste heat from flue gases or in chemical plants to recover heat from process streams. They are also used in many other applications where efficient heat transfer is required, including in refrigeration and air conditioning systems, in heat recovery systems, and in food processing and pharmaceutical manufacturing.
I hope this helps.
A counter current heat exchanger is a type of heat exchanger used to transfer heat between two fluids that flow in opposite directions, creating a counter current flow. The two fluids flow through separate channels separated by a thin, thermally conductive wall, which allows heat to transfer between the two fluids without mixing them. In this type of heat exchanger, the hot fluid enters at one end and flows in the opposite direction of the cooler fluid, which enters at the other end. As the fluids flow in opposite directions, heat is transferred from the hot fluid to the cooler fluid, resulting in a more efficient heat exchange process compared to other types of heat exchangers. This design ensures that the temperature difference between the two fluids remains high throughout the exchanger, allowing for maximum heat transfer. Counter current heat exchangers are commonly used in a variety of applications, including HVAC systems, chemical processing, and power generation.
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