Question
Open https://www.geogebra.org/m/KAZHEN8cLinks to an external site. Start your cycle (Point 1) either at P1=20 kPa P1=30kPa or P1=40kPa and V1= 1m3. 1kPa is 1000 Pascal
- Openhttps://www.geogebra.org/m/KAZHEN8cLinks to an external site.
- Start your cycle (Point 1) either at P1=20 kPa P1=30kPa or P1=40kPa and V1= 1m3. 1kPa is 1000 Pascal in SI.
- Construct one of the following 4 step cycles., Your group number corresponds to the cycle
- A) Isothermal expansion, isobaricexpansion, isovolumic(isochoric), isobaric back to Point 1
- B) Otto cycle (adiabatic, isochoric, adiabatic, isochoric)
- C) Diesel cycle (Isobaric, adiabatic, isochoric, adiabatic)
- D) Carnot cycle (isothermal, adiabatic, isothermal, adiabatic)
- A) Isothermal expansion, isobaricexpansion, isovolumic(isochoric), isobaric back to Point 1
- B) Otto cycle (adiabatic, isochoric, adiabatic, isochoric)
- C) Diesel cycle (Isobaric, adiabatic, isochoric, adiabatic)
- D) Carnot cycle (isothermal, adiabatic, isothermal, adiabatic)
You may need to move the points closer in the beginning and adjust them so that the cycle is complete without the need of a fifth process.
Complete pproximate PVT table using the values that you measurefrom the graph. You may need to count the minor grids to get an estimation if you can't calculate them directly for adiabatic processes.
Complete U Q W table, find the network done and compare with the app.
Identify if this is a heat pump with Wnet negative or heat engine with Wnet is positive.
Draw a schematic representation using the values that you found for Qin(Qh) Qout(Qc) and W
Find net Qin Qout. Find the efficiency e=W/Qin for a heat engine or Coefficient of Performance COP=Qout/W
Write brief description of the cycle in terms of the gas inside a piston. You may discuss burning of fuel, exhaust of heat, piston locked, piston moving etc.
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