Heat Exchanger Forum - Questions & Answers

In summary, a heat exchanger is a device that transfers heat between two fluids without direct contact. There are different types including shell and tube, plate and frame, and spiral, with varying designs suitable for different applications. When selecting a heat exchanger, factors such as fluid type, flow rates, temperature and pressure requirements, and space constraints should be considered. Regular maintenance is important for optimal performance and repair may be possible depending on the extent of damage.
  • #1
shrikanth
1
0
Hi all...
can anyone help me thru these questions...

a) % of thinning allowance calculation of tubes while expansion

b) standard drwg. for tube to tube sheet weld joints

c) Inner Radius (Min.) calculation for floating Head Cover In AES Heat Exchanger

d) Selection criteria for sliding strip/sealing strip width & thk only, length will be considered according to tube bundle length

e) calculation for finding PULL OUT LOAD ( for conduct mock up test)

kindly respond

Thanks in Advance...
 
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  • #2
You need to read the ASME Section VIII Div.,1 code and the TEMA Standards.

Thanks
Matt
 

1. What is a heat exchanger and how does it work?

A heat exchanger is a device that transfers heat from one fluid to another without the fluids coming into direct contact with each other. It consists of a series of tubes or plates that allow the fluids to flow in opposite directions, with one fluid being heated or cooled by the other.

2. What are the different types of heat exchangers?

There are several types of heat exchangers, including shell and tube, plate and frame, and spiral. Each type has its own unique design and is suitable for different applications. Shell and tube heat exchangers are the most commonly used and are versatile for a wide range of fluid types and temperatures.

3. What factors should be considered when selecting a heat exchanger?

When selecting a heat exchanger, factors such as the type of fluids, flow rates, temperature and pressure requirements, and space constraints should be taken into consideration. It is important to choose a heat exchanger that is suitable for the specific application to ensure optimal performance and efficiency.

4. How do I maintain a heat exchanger?

Regular maintenance is crucial for the proper functioning of a heat exchanger. This includes cleaning the heat exchanger regularly to remove any build-up or debris that could hinder its performance. It is also important to check for leaks, corrosion, and other signs of wear and tear and address any issues promptly to prevent further damage.

5. Can a heat exchanger be repaired if it is damaged?

In some cases, a damaged heat exchanger can be repaired, depending on the extent of the damage. It is best to consult with a professional to assess the damage and determine if the heat exchanger can be repaired or if it needs to be replaced. Regular maintenance can help prevent major damage and prolong the lifespan of a heat exchanger.

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