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A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchanger
- a)Concentric tubes
- b)Parallel flow
- c)Counter flow
- d)Shell and tubes
Correct answer is option 'C'. Can you explain this answer?
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A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heate...
m h c h (t h 1 – t h 2) = m c c c (t c 2 – t c 1).
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A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heate...
Heat Exchanger Arrangement
A heat exchanger is a device used to transfer heat between two or more fluids. There are different types of heat exchanger arrangements, and the most suitable arrangement for a particular application depends on several factors, including the fluids involved, the required heat transfer rate, and the available space.
The given problem mentions that a cold fluid is to be heated using hot water. The mass flow rate and inlet temperature of both fluids are also provided. Based on this information, we can identify the type of arrangement of the heat exchanger.
Counter Flow Heat Exchanger
In a counter flow heat exchanger, the two fluids flow in opposite directions. This arrangement provides the highest temperature difference between the two fluids along the length of the exchanger, which leads to a higher overall heat transfer coefficient. As a result, counter flow heat exchangers are the most efficient type of heat exchangers.
In the given problem, the cold fluid is flowing at a rate of 10 kg/min, and the hot water is flowing at a rate of 5 kg/min. The hot water is at a higher temperature than the cold fluid, and the two fluids are flowing in opposite directions. Therefore, the type of arrangement of the heat exchanger is counter flow.
Other Heat Exchanger Arrangements
There are other types of heat exchanger arrangements as well, including:
1. Parallel Flow Heat Exchanger: In a parallel flow heat exchanger, both fluids flow in the same direction. This arrangement provides the lowest temperature difference between the two fluids along the length of the exchanger, which leads to a lower overall heat transfer coefficient.
2. Concentric Tube Heat Exchanger: In a concentric tube heat exchanger, the two fluids flow through concentric tubes. This arrangement provides a compact design, but it may not be suitable for high heat transfer rates.
3. Shell and Tube Heat Exchanger: In a shell and tube heat exchanger, one fluid flows through the tubes, and the other fluid flows through the shell. This arrangement provides a large surface area for heat transfer, but it may not be suitable for fluids with high viscosity or fouling potential.
Conclusion
In summary, the type of arrangement of the heat exchanger in the given problem is counter flow. This arrangement is the most efficient type of heat exchanger for transferring heat between two fluids.
A heat exchanger is a device used to transfer heat between two or more fluids. There are different types of heat exchanger arrangements, and the most suitable arrangement for a particular application depends on several factors, including the fluids involved, the required heat transfer rate, and the available space.
The given problem mentions that a cold fluid is to be heated using hot water. The mass flow rate and inlet temperature of both fluids are also provided. Based on this information, we can identify the type of arrangement of the heat exchanger.
Counter Flow Heat Exchanger
In a counter flow heat exchanger, the two fluids flow in opposite directions. This arrangement provides the highest temperature difference between the two fluids along the length of the exchanger, which leads to a higher overall heat transfer coefficient. As a result, counter flow heat exchangers are the most efficient type of heat exchangers.
In the given problem, the cold fluid is flowing at a rate of 10 kg/min, and the hot water is flowing at a rate of 5 kg/min. The hot water is at a higher temperature than the cold fluid, and the two fluids are flowing in opposite directions. Therefore, the type of arrangement of the heat exchanger is counter flow.
Other Heat Exchanger Arrangements
There are other types of heat exchanger arrangements as well, including:
1. Parallel Flow Heat Exchanger: In a parallel flow heat exchanger, both fluids flow in the same direction. This arrangement provides the lowest temperature difference between the two fluids along the length of the exchanger, which leads to a lower overall heat transfer coefficient.
2. Concentric Tube Heat Exchanger: In a concentric tube heat exchanger, the two fluids flow through concentric tubes. This arrangement provides a compact design, but it may not be suitable for high heat transfer rates.
3. Shell and Tube Heat Exchanger: In a shell and tube heat exchanger, one fluid flows through the tubes, and the other fluid flows through the shell. This arrangement provides a large surface area for heat transfer, but it may not be suitable for fluids with high viscosity or fouling potential.
Conclusion
In summary, the type of arrangement of the heat exchanger in the given problem is counter flow. This arrangement is the most efficient type of heat exchanger for transferring heat between two fluids.
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A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer?
Question Description
A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer? for Chemical Engineering 2024 is part of Chemical Engineering preparation. The Question and answers have been prepared according to the Chemical Engineering exam syllabus. Information about A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer?.
A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer? for Chemical Engineering 2024 is part of Chemical Engineering preparation. The Question and answers have been prepared according to the Chemical Engineering exam syllabus. Information about A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer?.
Solutions for A cold fluid (specific heat 2.95 k J/kg K) at 10 kg/min is to be heated from 25 degree Celsius to 55 degree Celsius in a heat exchanger. The task is accomplished by extracting heat from hot water (specific heat 4.186 k J /kg K) available at mass flow rate 5 kg/min and inlet temperature 85 degree Celsius. Identify the type of arrangement of the heat exchangera)Concentric tubesb)Parallel flowc)Counter flowd)Shell and tubesCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemical Engineering.
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