Steam Vortex flowmeter - HK

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Steam Vortex flowmeter

The SKLU series steam vortex street flowmeter mainly uses in the industry pipeline the steam medium fluid flow measurement, the steam vortex street flowmeter characteristic is the pressure loss is small, the measuring range scope is big, the precision is high, when survey operating mode rate of volume flow nearly not parameter and so on fluid density, pressure, temperature, viscosity influences. Not movable machine parts, therefore the reliability is high, maintains the quantity to be small. The measuring appliance parameter can the long-term stability. The steam vortex street flowmeter uses the piezoelectricity stress type sensor, the reliability is high, may in - 20℃~+250℃ the operating temperature scope works. Has the mock standard signal, also has the digital pulse signal output, easy and number system necessary uses and so on computer, is one kind quite advanced, the ideal flow instrument.

First, principle of work
???? Establishes the trihedral prism columnar order whirlpool in the steam fluid to have the body, has the body both sides from the whirlpool to produce alternately has the rule whirlpool, this kind of whirlpool is called the Carmen whirlpool, if the figure to the right shows, turns on lathe the vortex street to have the body downstream in the whirlpool to arrange asymmetrically.
Supposes the whirlpool the occurrence frequency is f, was measured that the medium mean velocity of stream is, the whirlpool has the body to welcome the flow surface width is d, shows the body latus rectum is D, then obtains the following relationship:

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