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5
Entropy production in electric heating
Description
An electric immersion heater is placed in cold water. When it is operated at constant electric power, the temperature of the water rises.
Photographs
Entropy_Production_Drilling_2.gif
Entropy_Production_Electric.gif
Movies
Producing_Heat_1
Producing_Heat_2
Electric_Heating_Water
Data files
Entropy_Production.xls
Models
Entropy_Production_S.xls

6
Heating water in well-insulated container
Description
Water is heated electrically in an almost perfectly insulated container. The temperature of the liquid is monitored, and the power of the electric heater is measured.
Photographs
Water_Capacitance.gif
Movies
Entropy_Temp_Water
Data files
Entropy_Temp_Water.xls
Models
Entropy_Temp_Water_S.xls
Entropy_Capacitance
Entropy_Temp_Water.stm

7
Heating glycol in well-insulated container
Description
Glycol is heated electrically in an almost perfectly insulated container. The temperature of the liquid is monitored, and the power of the electric heater is measured.
Photographs
Glycol_Capacitance_1.gif
Movies
Entropy_Temp_Glycol
Data files
Entropy_Temp_Glycol.xls
Models
Entropy_Temp_Glycol_S.xls
Entropy_Temp_Glycol.stm

8
Cooling hot water in thin-walled aluminum container
Description
Hot water is poured into a thin-walled polished aluminum can. A magnetic stirrer is used to make sure the water is always well mixed. The water is left standing to cool.
The temperature of the water and of the environment are recorded as functions of time.
Photographs

Movies
Cooling_Hot_Water
Data files
Cooling_Hot_Water.xls
Models
Cooling_Hot_Water.stm


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