Monthly Archives - December 2023

Baffle cuts

Baffle cuts

As one of the most important parameters of the shell and tube heat exchanger’s design, Baffle cut influences fluid distribution, while orientation affects cross flow patterns. Common baffle types are segmental and helical. Consider these factors for efficient heat exchanger performance. In this essay, baffle cuts and their impact on the shell and tube heat exchanger’s efficiency, are discussed thoroughly. Baffle cut, or the portion of the baffle that is removed to allow fluid flow through the shell side of a...

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Baffles design parameters

Baffles design parameters

Baffles play a crucial role in shell and tube heat exchangers. Design parameters for baffles in shell and tube heat exchangers include baffle spacing, baffle cut, baffle orientation, and baffle type. The spacing between baffles affects heat transfer and pressure drop. Baffle Spacing: -Definition: Baffle spacing refers to the distance between adjacent baffles inside a shell and tube heat exchanger. -Importance: Optimal spacing is crucial for balancing heat transfer efficiency and pressure drop. Closer spacing enhances heat transfer but increases pressure drop,...

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Radiran Shell and tube heat exchangers

Shell and tube heat exchangers HEX

A shell and tube heat exchanger is a device used for transferring heat between two fluids, often liquids or gases that are at different temperatures. It consists of two main components: the shell and the tubes. In the upcoming paragraphs the different parts of the shell and tube HEX are explained in detail. 1. Shell: The shell is the outermost component and typically cylindrical in shape. It contains one fluid, known as the shell-side fluid. The shell is designed to withstand...

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Fin Space یا FPI چیست؟

What is Fin Space or FPI?

Fin space, one of the important factors in coil’s design What is Fin Space or FPI? In the context of coil design, "fin space" refers to the gap between adjacent fins on a coil. It is a crucial parameter as it affects the heat transfer efficiency of the coil. A smaller fin space generally increases the surface area available for heat transfer but may also lead to higher air resistance. "Fin per inch" (FPI) is a measurement that indicates the number of fins...

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Evaporators and condensers design parameters

Evaporators and condensers design parameters

Heat Transfer Efficiency: Both coils need to efficiently transfer heat. In the evaporator, heat absorption from the surroundings is essential for the refrigeration cycle, while in the condenser, heat rejection is critical. Surface Area: Increasing the surface area of the coils enhances heat transfer. This is achieved through coil geometry and fin design. Fins on the coils increase the surface area, promoting better heat exchange. Refrigerant Flow: Proper refrigerant flow is essential for optimal heat transfer. Design considerations include the tube diameter,...

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VARIOUS SHAPE OF COPPER TUBE

VARIOUS SHAPE OF COPPER TUBE

The shape of copper tubes in a heat exchanger can significantly impact its performance. Here are a few effects of various tube shapes: Inner Grooves: Tubes with inner grooves increase the surface area available for heat transfer. This design enhances the efficiency of heat exchange by promoting better contact between the fluid inside the tube and the tube wall. The increased surface area allows for more effective heat transfer, making the heat exchanger more efficient. Coiled Tubes: Coils provide flexibility and compactness,...

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various physical shapes of Aluminum fins

various physical shapes of Aluminum fins

Aluminum fins in fin tube heat exchangers can be manufactured in various shapes to optimize heat transfer efficiency. Commonly used shapes for aluminum fins include: 1. Plain Aluminum Fins: - Basic flat aluminum fins that provide increased surface area for heat transfer. 2. Serrated Aluminum Fins: - Aluminum fins with serrations or notches along the edges, which enhance turbulence and improve heat transfer. 3. Perforated Aluminum Fins: - Aluminum fins with small holes or perforations, allowing some fluid to pass through for increased mixing and improved...

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