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Beginner's
Guide to Propulsion and EngineSim
Density
Activity
If so instructed
by your teacher, print out a worksheet page for these problems.
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Predict the mass
of the gas molecules in this classroom.
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A. Determine
the mass of gas molecules in the classroom. [The instructor will
establish the parameters of the classroom's shape; ignore irregularities].
B. Within your group, decide on the materials and information
that are required and list them in the materials section of your worksheet.
C. For assistance, click on Air
Properties Definitions and/or Density
in the Beginner's Guide to Propulsion.
D. Write a step-by-step procedure that your group will follow.
E. Have the instructor approve your work before obtaining materials
and proceeding.
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A. How
does an increase in altitude affect the mass of gas molecules in the
atmosphere per unit volume, or air density? Use the table to record
your answers.
Altitude
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Your
Variable _______________kg/m3
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B. Predict how that change will affect the functioning of a
gas turbine engine, or jet engine.
Record your prediction.
C. Reflection: Which atmospheric factors affect air density?
D. Start up
EngineSim
to test your prediction. Use the table
to record your answers.
Altitude
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Engine
Performance
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