Viscous liquid cavitation inception pressure measuring device
A measuring device and viscous technology, which can be used in measuring devices, measuring fluid pressure, fluid dynamics tests, etc., can solve problems such as inability to conduct in-depth research on cavitation of viscous liquids, and lack of attention to the conditions for cavitation of viscous liquids.
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Embodiment 1
[0046] This embodiment provides a viscous liquid cavitation inception pressure measuring device, which can observe the cavitation inception pressure of the viscous liquid under different vacuum degrees and different temperatures.
[0047] Such as figure 1 and figure 2 As shown, the viscous liquid cavitation incipient pressure measurement device includes: a visual liquid storage unit 1 , a pressure control unit 2 , a temperature control unit 3 , a sensing unit 4 , an observation unit 5 and a measurement and control unit 6 .
[0048]Among them, the visualized liquid storage unit 1 is used to store the viscous liquid (such as oil) to be measured, and the visualized liquid storage unit 1 is fully transparent and visualized, which can fully and intuitively show the whole process of cavitation formation and collapse of the viscous liquid cavitation.
[0049] The pressure control unit 2 controls the pressure of the visualized liquid storage unit 1 by vacuuming, so that the viscous ...
Embodiment 2
[0056] The visualization liquid storage unit 1 in the embodiment 1 is further described in detail.
[0057] Such as figure 1 As shown, the visualized liquid storage unit 1 includes: a liquid storage bottle 1.1, an end cap 1.3 and a sealing assembly 1.4;
[0058] Among them, the liquid storage bottle 1.1 is completely transparent and is used to store viscous liquids; the liquid storage bottle 1.1 is made of acrylic material that does not react with the tested liquid and adopts integrated processing to ensure sealing; the volume of the liquid storage bottle 1.1 is adjustable, and can be adjusted according to Customized size is required.
[0059] The top opening of the liquid storage bottle 1.1 is sealed by the end cap 1.3 and the sealing assembly 1.4, wherein the sealing assembly 1.4 includes an upper sealing ring 1.4.1 and a lower sealing ring 1.4.2; both the upper sealing ring 1.4.1 and the lower sealing ring 1.4.2 are Lip-shaped sealing ring; the upper sealing ring 1.4.1 an...
Embodiment 3
[0064] The pressure control unit 2 in Embodiment 1 will be further described in detail.
[0065] Such as figure 2 and image 3 As shown, the pressure control unit 2 includes: a suction pipeline 2.2, a valve assembly 2.3, an independent air chamber 2.4 and a vacuum pump 2.5. The air extraction pipeline 2.2 includes: a first air extraction pipeline 2.2.1, a second air extraction pipeline 2.2.2 and a third air extraction pipeline 2.2.3; the valve assembly 2.3 includes: a first ball valve 2.3.1.
[0066] Wherein the end cap 1.3 in the visible liquid storage unit 1 is threadedly connected to one end of the first air extraction pipeline 2.2.1; the other end of the first air extraction pipeline 2.2.1 is connected to the second air extraction pipeline 2.2 through the first ball valve 2.3.1 .2 connected, the first ball valve 2.3.1 is threadedly connected with the first air extraction pipeline 2.2.1 and the second air extraction pipeline 2.2.2 respectively; the second air extraction ...
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