Description

The desktop stand is a cylindrical vessel rotating around its own axis without a top cover (freely communicating with the atmosphere) placed on a base stand. The vessel is made of transparent plexiglass and is driven by an electric motor, the speed of which is regulated by turning the corresponding regulator located on the front wall of the base. Next to this regulator there is a display indicating the number of revolutions per minute of the vessel in question.
The power supply to the vessel rotation drive is turned on by a toggle switch, also located on the front wall of the base.
A measuring system is located on the base stand to record the spatial coordinates of points on the free surface of the liquid at relative rest. The coordinates are taken with a special probe, which moves in the horizontal direction by manually moving the slider on the guide, and in the vertical direction by moving the guide in the slider. The coordinates are read from the corresponding displays located on the sliders of the measuring system.
Specifications:
AC power supply:
voltage, V – 220;
frequency, Hz – 50;
power consumption, kW, no more than 0.1;
Overall dimensions no more than, mm – 350*300*640 (length, transverse dimension, height);
 Weight no more, kg – 20;
List of laboratory works:
1. Experimental and theoretical construction of a free surface at relative rest of the liquid and four volume values.
2. Determination of the volume of a paraboloid of revolution in the case when the free surface does not intersect with the plane coinciding with the bottom of the vessel
3. Determination of the volume of a paraboloid of revolution in the case when the vertex of the free surface paraboloid lies in a plane coinciding with the bottom of the vessel
4. Determination of the volume of a paraboloid of revolution in the case when the free surface intersects with a plane coinciding with the bottom of the vessel
5. Study of the influence of rotation frequency on the type of free surface (paraboloid of rotation) at relative rest of the liquid in a rotating vessel and volumes of 2 and 3 liters.
6. Experimental determination of the “dry” bottom area