State-of-the-art Engineering Equipment
Change of State of Gas Apparatus
- 1 experimental unit
- 1 set of instructional material
- Length: 900 mm
- Width: 550 mm
- Height: 900 mm
- Weight: 50 kg
Description
Technical Specification
Media
The experimental unit enables two changes of state to be studied experimentally: isothermal change of state, also known as the Boyle-Mariotte law, and isochoric change of state, which occurs at constant volume.
Transparent tanks enable the change of state to be observed. Air is used as the test gas.
In the first tank, positioned on the left, the hermetically enclosed air volume is reduced or increased using a compressor and hydraulic oil.
This results in an isothermal change of state. The compressor can also operate as a vacuum pump. If the changes occur slowly, the change of state takes place at an almost constant temperature.
In the second tank, positioned on the right, the temperature of the test gas is increased by a controlled electric heater and the resulting pressure rise is measured.
The volume of the enclosed gas remains constant. Temperatures, pressures and volumes are measured electronically, digitally displayed and transferred to a PC for processing.
Experimental Capabilities
- Demonstrating the laws of state changes in gases experimentally.
- Isothermal change of state, Boyle-Mariotte law.
- Isochoric change of state, Gay-Lussac’s 2nd
Circuit Diagram
The circuit diagram of “Change of State of Gas Apparatus” is given bellows such as: Representation of the Change of Volume:- Oil filled tank for isothermal change of state.
- Valve arrangement with compressor.
- Storage Tank.
- Blue color shows compression.
Software Diagram
The Software diagram of “Change of State of Gas” is given bellows such as:- Experimental investigation of gas laws.
- Transparent measuring tank 1 for investigation of isothermal change of state.
- Hydraulic oil filling for changing volume of test gas.
- Built-in compressor generates necessary pressure differences to move the oil volume.
- Compressor can also be used as vacuum pump.
- 5/2-way valve for switching between compression and expansion.
- Transparent measuring tank 2 for investigation of isochoric change of state.
- Electrical heater with temperature control in tank 2.
- Sensors and digital displays for temperatures, pressures and volumes.
- Compressor / vacuum pump
- Power output: 60W.
- Pressure at inlet: 213mbar.
- Pressure at outlet: 2bar.
- Temperature controller:
- PID, 300W, limited to 80°C
- Measuring ranges
- Temperature:
- Tank 1: 0…80°C
- Tank 2: 0…80°C
- Pressure:
- Tank 1: 0…4bar abs.
- Tank 2: 0…2bar abs.
- Volume:
- Tank 1: 0…3L
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