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In a pipe when the valve is closed suddenly, then due to high pressure
- a)Circumferential stresses will be produced
- b)Longitudinal stresses will be produced
- c)Both longitudinal and circumferential stressed will be produced
- d)None of the above
Correct answer is option 'C'. Can you explain this answer?
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In a pipe when the valve is closed suddenly, then due to high pressure...
During sudden closure of valve, a wave of high pressure intensity will be produced in the water, due to this high pressure circumferential and longitudinal stresses will be produced.
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In a pipe when the valve is closed suddenly, then due to high pressure...
When the valve in a pipe is closed suddenly, it results in the build-up of high pressure within the pipe. This sudden increase in pressure can lead to the generation of both longitudinal and circumferential stresses in the pipe.
1. Circumferential Stresses:
- When the valve is closed abruptly, the fluid flow within the pipe is halted instantaneously.
- As a result, the fluid momentum is abruptly stopped, causing a rapid increase in pressure.
- This sudden pressure increase exerts a force on the inner walls of the pipe, inducing circumferential stresses.
- These stresses act perpendicular to the longitudinal axis of the pipe, causing it to expand radially.
2. Longitudinal Stresses:
- The abrupt closure of the valve also leads to a pressure wave that travels along the length of the pipe.
- As the pressure wave propagates, it generates longitudinal stresses in the pipe.
- These stresses act parallel to the longitudinal axis of the pipe, causing it to elongate or contract.
3. Combined Effect:
- The combination of circumferential and longitudinal stresses can result in complex stress patterns within the pipe.
- The circumferential stresses tend to cause radial expansion, while the longitudinal stresses cause elongation or contraction.
- Depending on the material properties of the pipe and its dimensions, the pipe may experience deformation or failure due to these combined stresses.
In conclusion, when the valve in a pipe is closed suddenly, high pressure is generated, leading to the production of both longitudinal and circumferential stresses. These stresses can have a significant impact on the integrity and reliability of the pipe, potentially causing deformation or failure if not properly accounted for.
1. Circumferential Stresses:
- When the valve is closed abruptly, the fluid flow within the pipe is halted instantaneously.
- As a result, the fluid momentum is abruptly stopped, causing a rapid increase in pressure.
- This sudden pressure increase exerts a force on the inner walls of the pipe, inducing circumferential stresses.
- These stresses act perpendicular to the longitudinal axis of the pipe, causing it to expand radially.
2. Longitudinal Stresses:
- The abrupt closure of the valve also leads to a pressure wave that travels along the length of the pipe.
- As the pressure wave propagates, it generates longitudinal stresses in the pipe.
- These stresses act parallel to the longitudinal axis of the pipe, causing it to elongate or contract.
3. Combined Effect:
- The combination of circumferential and longitudinal stresses can result in complex stress patterns within the pipe.
- The circumferential stresses tend to cause radial expansion, while the longitudinal stresses cause elongation or contraction.
- Depending on the material properties of the pipe and its dimensions, the pipe may experience deformation or failure due to these combined stresses.
In conclusion, when the valve in a pipe is closed suddenly, high pressure is generated, leading to the production of both longitudinal and circumferential stresses. These stresses can have a significant impact on the integrity and reliability of the pipe, potentially causing deformation or failure if not properly accounted for.
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In a pipe when the valve is closed suddenly, then due to high pressurea)Circumferential stresses will be producedb)Longitudinal stresses will be producedc)Both longitudinal and circumferential stressed will be producedd)None of the aboveCorrect answer is option 'C'. Can you explain this answer?
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