orifice plate वाक्य
उदाहरण वाक्य
मोबाइल
- Under choked conditions, valves and calibrated orifice plates can be used to produce a desired mass flow rate.
- Some of these reservoirs are constructed across the river line, with the onward flow controlled by an orifice plate.
- Orifice plates are also used to reduce pressure or restrict flow, in which case they are often called restriction plates.
- The most common method of measuring gas flow is via differential pressure across an orifice plate inserted into a flow metering pipe.
- For example, in the case of an orifice flow meter, the differential pressure across the orifice plate is the primary flow element.
- Orifice plates as flow meters typically have a 5 to 1 speed range, while turbine meters may have up to 100 to 1 range.
- A venturi meter is more efficient, but usually more expensive and less accurate ( unless calibrated in a laboratory ) than an orifice plate.
- Orifice plates are small and inexpensive but do not recover the pressure drop as well as a venturi, nozzle, or venturi-nozzle does.
- However a newer V-Cone technology ( the inverse of orifice plate technology ) is being used to more accurately meter gas that contains some liquids.
- There are several situations in which choked flow occurs, such as the change of cross section in a de Laval nozzle or flow through an orifice plate.
- The orifice plate used to generate the slurry jet was a high-wear item and its materials of construction were also a focus of the development effort.
- However, a positive displacement meter can be considerably heavier and more costly than non-positive-displacement types such as orifice plates, magnetic or vortex flow meters.
- Conventional measurement principles, like positive displacement, turbine meters, orifice plates will seemingly continue to measure, but will not be able to inform the user about the occurrence of two-phase flow.
- A pilot two tonne per hour ( t / h ) Jameson Cell with a 100 mm downcomer and using an orifice plate to create the jet was tested in MIM's lead zinc concentrator.
- "' Bypass configuration "': A small Cyclonic Flow Meter can be assembled in a " by-pass " configuration across an orifice plate and calibrated as a single unit to obtain high flow rates.
- When river flow exceeds the capacity of the orifice plate, water builds up behind the dam; but as soon as the flow rate reduces, the water behind the dam is slowly released until the reservoir is empty again.
- Once the orifice plate is designed and installed, the flow rate can often be indicated with an acceptably low uncertainty simply by taking the square root of the differential pressure across the orifice's pressure tappings and applying an appropriate constant.
- I know that you can measure the speed of gas flow through a pipe if you can get a differential pressure across an orifice plate if the gas properties are known . talk ) 18 : 33, 16 March 2010 ( UTC)
- The flow computer generally tracks modifications to flow parameters ( e . g . orifice plate size or gas analysis data ) in an " Audit Trail " that identifies the modified parameter, the time and date of the value change, the old and new values, and may identify the person making the change.
- An orifice with a flow coefficient of . 59 would flow the same amount of fluid as a perfect orifice with 59 % of its area or 59 % of the flow of a perfect orifice with the same area ( orifice plates of the type shown would have a coefficient of between . 58 and . 62 depending on the precise details of construction and the surrounding installation ).
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