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demonstrations:4_thermodynamics:4f_entropy_and_the_second_law:stirling_engine_-_low_temperature:start
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demonstrations:4_thermodynamics:4f_entropy_and_the_second_law:stirling_engine_-_low_temperature:start [2019/03/04 17:53] demoroom |
demonstrations:4_thermodynamics:4f_entropy_and_the_second_law:stirling_engine_-_low_temperature:start [2020/02/03 20:49] demoroom |
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| ====== Stirling Engine - Low Temperature ====== | ====== Stirling Engine - Low Temperature ====== | ||
| - | {{tag>heat thermodynamics stirling stirling_engine heat_engine unlocated}} | + | {{tag>heat thermodynamics stirling heat_engine unlocated}} |
| <WRAP box right> | <WRAP box right> | ||
| Line 11: | Line 11: | ||
| ===== Description ===== | ===== Description ===== | ||
| - | A low temperature differential Stirling engine which can be used with the Vernier sensors to demonstrate its working concepts. | + | A low temperature differential Stirling engine which can be run on a cup of coffee. Has an attachment point for a pressure sensor and a displacement sensor mounted, so it can be used to generate P-V diagrams. |
| ===== Purpose ===== | ===== Purpose ===== | ||
| - | Demonstrate the Stirling engine and cycle, display P-V diagrams, calculate power output. | + | Demonstrate the Stirling engine and cycle, display P-V diagrams, demonstrate how the power output may be calculated. |
| ===== Apparatus ===== | ===== Apparatus ===== | ||
| Line 43: | Line 43: | ||
| ==== LoggerPro setup: ==== | ==== LoggerPro setup: ==== | ||
| - Connect the circular end of the pressure sensor to the valve on the engine | - Connect the circular end of the pressure sensor to the valve on the engine | ||
| - | - Connect the differential voltage sensor to the black and white leads and then plug it into the corresponding slots above the label marked "sensor" | + | - Connect the differential voltage sensor to the black and white leads and then plug it into the corresponding slots above the label marked "sensor". The polarity is noted on the device, make sure the side with the black wire is plugged into the ground. |
| - | - Use a multi-meter to check that the voltage coming out of the power source is ~5V. (If it is not then the 9V inside has died, unscrew the top and replace the 9V battery (Be careful not to short any of the wires, this is easy to do)) | + | - Use a multi-meter to check that the voltage coming out of the power source is ~5V. (If it is not then the 9V inside has died, unscrew the top and replace the 9V battery (Be careful not to short any of the wires, this is easy to do)) |
| + | - Plug the power supply into the slots above the label marked "Power". Again, make sure the side with the black wire is plugged into the ground. | ||
| + | - Check that the mirror is horizontal and correctly aligned with the IR sensor on the perfboard. | ||
| Line 63: | Line 65: | ||
| </WRAP> | </WRAP> | ||
| <WRAP tablewidth 100%> | <WRAP tablewidth 100%> | ||
| - | | **Location** | ---- | | + | | **Location** | C3 | |
| | **Maker** | Unknown | | | **Maker** | Unknown | | ||
| | **Current State** | Working | | | **Current State** | Working | | ||
demonstrations/4_thermodynamics/4f_entropy_and_the_second_law/stirling_engine_-_low_temperature/start.txt · Last modified: 2020/03/13 21:01 by demoroom
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