pressure head वाक्य
उदाहरण वाक्य
मोबाइल
- Other design requirements include taking into account pressure head operation, the flow rate, whether the valve operates above or below water, and the regulation of precision and cost.
- Scientists frequently use columns of water ( or mercury ) to measure pressure ( manometric pressure measurement ), since for a given fluid, pressure head is proportional to pressure.
- The main issue with accuracy is that if the bulb and the stem are at different levels, there is a change in reading due to the change in pressure head.
- In a typical design, fluid enters the narrow top end of the filter falling onto a chamber where pressure head is built to force the fluid across woven filter media.
- They proceeded to launch It's On U, a lobbying campaign to pressure heads of state and UN Security Council members to refer the Yazdi genocide to the ICC.
- They provided a steelyard balance that allowed seasonal adjustment in the pressure head of the compensating tank and could then control the rate of flow for different lengths of day and night.
- In a confined aquifer, the saturated thickness is determined by the height of the aquifer, " H ", and the pressure head is non-zero everywhere.
- Because the Green Swamp region is elevated above outlying areas and the underground aquifer rises very close to the land surface, the region functions as the pressure head for the aquifer.
- To address the problem of slowed timekeeping in the pressure head of the inflow water clock, Zhang was the first in China to install an additional tank between the reservoir and inflow vessel.
- Zhang Heng was the first in China to add an extra compensating tank between the reservoir and the inflow vessel, which solved the problem of the falling pressure head in the reservoir tank.
- But in the case of reaction turbines, if the net head is low and if the turbine is installed above the tail race, there can be appreciable loss in available pressure head.
- The lower pressure tail of an exhaust pulse then serves to create a greater pressure difference between the high pressure head of the next exhaust pulse, thus increasing the velocity of that exhaust pulse.
- In a venturi flow meter, the " differential pressure head " can be used to calculate the " differential velocity head ", which are equivalent in the adjacent picture.
- See Pressure head for more details . ) In open channels, it is assumed that changes in atmospheric pressure are negligible, therefore the pressure head term used in Bernoulli s Equation is eliminated.
- By placing a diffusing pipe at the exit of the runner, the pressure head is increased by decreasing the exit velocity, and both the overall efficiency and the output of the turbine can be improved.
- A "'cone of depression "'occurs in an aquifer when groundwater is pumped from a artesian ), the cone of depression is a reduction in the pressure head surrounding the pumped well.
- For a relatively incompressible fluid such as water, TDH is simply the pressure head difference between the inlet and outlet of the pump, if measured at the same elevation and with inlet and outlet of equal diameter.
- Zhang Heng was also the first to address the problem of the falling pressure head in the inflow water clock ( which gradually slowed the timekeeping ) by setting up an additional tank between the reservoir and inflow vessel.
- Water in the vadose zone has a pressure head less than atmospheric pressure, and is retained by a combination of adhesion ( " funiculary groundwater " ), and capillary action ( " capillary groundwater " ).
- So, for example, pressure head might be written " 742.2 mm Hg " or " 4.2 in H 2 O at 59 �F " for measurements taken with mercury or water as the manometric fluid, respectively.
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