Can the reducer increase the water pressure in pipeline
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In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli's theorem says that there should be a reduction in pressure when the area is reduced. ... The narrower the pipe, the higher the velocity and the greater the pressure drop.
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“In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli's theorem says that there should be a reduction in pressure when the area is reduced. What is the justification for this?”
“In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli's theorem says that there should be a reduction in pressure when the area is reduced. What is the justification for this?”Where the water pipe diameter reduces, the velocity of water increases and the water pressure drops - in that section of the pipe.
“In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli's theorem says that there should be a reduction in pressure when the area is reduced. What is the justification for this?”Where the water pipe diameter reduces, the velocity of water increases and the water pressure drops - in that section of the pipe.The narrower the pipe, the higher the velocity and the greater the pressure drop. If the velocity is zero, the presure drop is zero. If the velocity is very high, the pressure drop too is very high. By pressure, it is understood as the force acting on the walls of the pipe.
“In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli's theorem says that there should be a reduction in pressure when the area is reduced. What is the justification for this?”Where the water pipe diameter reduces, the velocity of water increases and the water pressure drops - in that section of the pipe.The narrower the pipe, the higher the velocity and the greater the pressure drop. If the velocity is zero, the presure drop is zero. If the velocity is very high, the pressure drop too is very high. By pressure, it is understood as the force acting on the walls of the pipe.Perhaps, you may want to perform the experiment once again. Use separate pressure gauges on the pipe’s broader and narrower sections. When the flow starts, you will observe different pressures on the two gauges - higher in broader pipe and lower in the narrower section, even if the sequence of the two pipe sections is reversed. Also note that the pressure difference will become lesser and lesser as the flow is steadily throttled at discharge. The pressures will become equal when flow is throttled to zero. This should uphold Bernoulli’s equation!
“In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli's theorem says that there should be a reduction in pressure when the area is reduced. What is the justification for this?”Where the water pipe diameter reduces, the velocity of water increases and the water pressure drops - in that section of the pipe.The narrower the pipe, the higher the velocity and the greater the pressure drop. If the velocity is zero, the presure drop is zero. If the velocity is very high, the pressure drop too is very high. By pressure, it is understood as the force acting on the walls of the pipe.Perhaps, you may want to perform the experiment once again. Use separate pressure gauges on the pipe’s broader and narrower sections. When the flow starts, you will observe different pressures on the two gauges - higher in broader pipe and lower in the narrower section, even if the sequence of the two pipe sections is reversed. Also note that the pressure difference will become lesser and lesser as the flow is steadily throttled at discharge. The pressures will become equal when flow is throttled to zero. This should uphold Bernoulli’s equation!Did you, by any chance, find the increased pressure (instead of the expected decreased pressure) on the pressure gauge placed upstream of the narrower pipe section and on the broader pipe section? If yes, that is also as expected; the narrower pipe section would have caused a reduction in rate of total water discharge.
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