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P1.8.5 Podstawowe eksperymenty aerodynamiczne - Leybold

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P1.8.5 Podstawowe eksperymenty aerodynamiczne - Leybold

Producer: Leybold

pdf   Karta katalogowa - P1.8.5.pdf

Description

 

P1.8.5.1 Ciśnienie statyczne w zmniejszonym przekroju. Pomiar ciśnienia za pomocą precyzyjnego manometru

P1.8.5.2 Określanie natężenia przepływu za pomocą rurki Venturiego. Pomiar ciśnienia za pomocą precyzyjnego manometru

P1.8.5.3 Określanie prędkości wiatru za pomocą ciśnienia głównego.  Pomiar ciśnienia za pomocą precyzyjnego manometru

P1.8.5.4 Ciśnienie statyczne w zmniejszonym przekroju. Pomiar ciśnienia za pomocą czujnika oraz  Mobile-CASSY

P1.8.5.5 Określanie natężenia przepływu za pomocą rurki Venturiego. Pomiar ciśnienia za pomocą czujnika oraz Mobile-CASSY

P1.8.5.6 Określanie prędkości wiatru za pomocą ciśnienia głównego. Pomiar ciśnienia za pomocą czujnika oraz Mobile-CASSY

 

The study of aerodynamics relies on describing the flow of air through a tube using the continuity equation and the Bernoulli equation. These state that regardless of the cross-section A of the tube, the volume flow and the total pressure remain constant as long as the flow speed remains below the speed of sound.

 

Note: In the experiments P1.8.5.1 - P1.8.5.3, the precision manometer is used to measure pressures. In addition to a pressure scale, it is provided with a further scale which indicates the flow speed directly when measuring with the pressure head sensor. 
In the experiments P1.8.5.4 - P1.8.5.6 the pressure is measured with a pressure sensor and recorded using the universal measuring instrument Mobile-CASSY. In order to verify these two equations, the static pressure in a Venturi tube is measured for different cross-sections in the experiments P1.8.5.1 and P1.8.5.4. The static pressure decreases in the reduced
cross-section, as the flow speed increases here.
The experiments P1.8.5.2 and P1.8.5.5 uses the Venturi tube to measure the volume flow. Using the pressure difference Dp = p2 - p1 between two points with known cross-sections A1 and A2.
 
The experiments P1.8.5.3 and P1.8.5.6 aims to determine flow speeds. Here, dynamic pressure (also called the “pressure head”) is measured using the pressure head sensor after Prandtl as the difference between the total pressure and the static pressure, and this value is used to calculate the speed at a known density r.
 


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