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Baffles in heat exchangers serve to enhance heat transfer efficiency by directing the flow of fluids across the heat exchange surfaces. They create turbulence, which increases the fluid velocity and improves the mixing of the fluids, leading to more effective heat transfer. Additionally, baffles help support the tubes or plates within the exchanger, preventing vibration and ensuring structural integrity. Overall, they optimize thermal performance while minimizing pressure drop across the system.
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Heat exchanger for ammonia absorption refrigeration system?
there are two type of heat exchanger in absorption refrigeration, first is liquid heat exchanger and other is gas heat exchanger.both heat exchanger function is same, to transfer heat (hot medium to cold medium) without violate second newton law of thermodynamics. liquids heat exchanger is between boiler and absorber vessel mean while gas heat exchanger between evaporator and absorber.
What is heat exchanger duty?
The duty of a heat exchanger can be defined in an easy way as "The amount of heat exchanged from a fluid at a higher temperature to the fluid at lower temperature in unit time by a heat exchanger is called its duty"
How many tubes are in the heat exchanger?
The number of tubes in a heat exchanger can vary widely depending on its design, size, and intended application. Typically, shell-and-tube heat exchangers can have anywhere from a few dozen to several hundred tubes. The specific number is determined by factors such as the required heat transfer area, fluid flow rates, and pressure drop considerations. For accurate information, it is essential to refer to the specifications provided by the manufacturer or designer of the heat exchanger.
How you can increase the retention time in shell and tube heat exchanger?
the most effective way to do so is to reduce the flow of the heat exchanger
Does effectiveness of a heat exchanger depend on operation condition?
Yes it does. As with any device, a heat exchanger is designed to work within certain parameters. If the conditions exceed these limits, the effectiveness of the heat exchanger is compromised, and my wind up not functioning at all.
What are the exchanger parts?
Exchanger parts typically include the heat exchanger body, which comprises the shell and tubes or plates, depending on the design. Other key components are the inlet and outlet connections for fluids, baffles to direct flow and enhance heat transfer, and insulation to minimize heat loss. Additional parts may include seals, gaskets, and a support structure for stability and alignment. Each part plays a crucial role in the efficiency and effectiveness of the heat exchange process.
How heat transfer rate increases in shell and tube heat exchanger?
In simple words, by increasing retention time of fluids. Other parameters which affect rate of heat transfer are: 1) Fins 2) Baffles 3) no. of passes. 4) Material of construction of tubes.
What is test ring in Heat exchanger?
A test ring in a heat exchanger is a device used during the manufacturing process to verify the integrity and quality of the welds. It typically consists of a metal ring that is welded onto the heat exchanger assembly and then tested for leaks or other defects using pressure or other testing methods. This helps ensure that the heat exchanger will perform effectively and safely once it is installed in its intended application.
Heat exchanger for ammonia absorption refrigeration system?
there are two type of heat exchanger in absorption refrigeration, first is liquid heat exchanger and other is gas heat exchanger.both heat exchanger function is same, to transfer heat (hot medium to cold medium) without violate second newton law of thermodynamics. liquids heat exchanger is between boiler and absorber vessel mean while gas heat exchanger between evaporator and absorber.
Exchanger is not transfer heat why?
Heat exchanger manufacturers is an ISO 9001 certified company located in Coimbatore, Tamilnadu. The company started its functioning 2011 in, with a strong background in heat exchanger manufacturing. Our well-experienced and dedicated employees consistently thrive to serve our customers with the best heat exchanger solution. visit :: heatexchangersmanufacturers.in
What is heat exchanger duty?
The duty of a heat exchanger can be defined in an easy way as "The amount of heat exchanged from a fluid at a higher temperature to the fluid at lower temperature in unit time by a heat exchanger is called its duty"
How many tubes are in the heat exchanger?
The number of tubes in a heat exchanger can vary widely depending on its design, size, and intended application. Typically, shell-and-tube heat exchangers can have anywhere from a few dozen to several hundred tubes. The specific number is determined by factors such as the required heat transfer area, fluid flow rates, and pressure drop considerations. For accurate information, it is essential to refer to the specifications provided by the manufacturer or designer of the heat exchanger.
Why Expansion bellows are required in heat exchanger?
expension belows are used for heat exchanger to avoid thermal stress
When is it necessary to schedule a heat exchanger replacement?
It is necessary to schedule a heat exchanger replacement when the current heat exchanger is damaged, malfunctioning, or no longer efficient in transferring heat effectively. Regular maintenance and inspections can help determine when a replacement is needed.
What is the relationship between the efficiency of a heat exchanger and its surface area?
The efficiency of a heat exchanger is directly proportional to its surface area. This means that a larger surface area allows for more heat transfer, resulting in a more efficient heat exchanger.
What is difference between condenser and heat exchanger?
A heat exchanger is a device that transfers heat from one fluid to the others. A condenser is simply a heat exchanger. It compresses refrigerants into a hot gas to then condense them into a liquid. Majorly condenser is used to cool the required vapor and heat exchanger is used to heat the required liquid.
What is the abbreviation for heat exchanger?
hx
