by Alysson Goodwin
Published 2 years ago
Updated 1 year ago
Since the hydrostatic pressure p in open vessels remains constant, the influence of the temperature has a negative effect on the measurement result. Therefore, the measured hydrostatic pressure of a liquid should always be correlated to the medium temperature.Jan 16, 2018
What is the hydrostatic pressure of water at room temperature?
Therefore, the measured hydrostatic pressure of a liquid should always be correlated to the medium temperature. The density of water at room temperature (20 °C) is 998.20 kg/m³.
How does temperature affect hydrostatic level measurement?
With hydrostatic level measurement, temperature fluctuations in the medium have an effect on the accuracy of the measurement result. But why is that, and how can you minimise the influence of temperature on hydrostatic level measurement?
What is the effect of temperature on pressure in pressure test?
A rise in temperature of the pipe wall and test liquid causes circumferential expansion of the pipe wall and also an increase in volume of the test liquid. The combined effect of these expansions has the same effect as pumping additional water into the test section and will cause an increase in pressure.
How do you find the hydrostatic level of a vessel?
Hydrostatic level measurement is not dependent upon the shape of the vessel, and can be calculated with the formula h = p / (ρ * g). However, the medium density (ρ = m / V) is subject to the influence of temperature. The basis for this is the physical law that a volume expands when the temperature increases under constant pressure.
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