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Using Graphs to Compare
Lift Variables

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Subject Area: Physical Science

Grade Level: 9-12

National Science Standards:

  • Demonstrate an understanding of scientific inquiry by correctly interpreting models.
  • Demonstrate an understanding of forces and motion.
  • Apply an understanding of science and technology.

National Technology Standards:

  • Technology research tools: Use content-specific tools, software and simulations (e.g., environmental probes, graphing calculators, exploratory environments, Web tools) to support learning and research; select and use appropriate tools and technology resources to accomplish a variety of tasks and solve problems.
  • Problem-Solving and Decision-Making Tools - Routinely and efficiently use on-line information resources to meet needs for collaboration, research, publications, communications, and productivity.

Objective:

After using the FoilSim computer simulation program, you will demonstrate an understanding of the lift variables by explaining their graphical representations.



FoilSim is an interactive simulation software package that examines the airflow around various shapes of airfoils. As you change parameters such as airspeed, altitude, angle of attack, thickness and curvature of the airfoil, and size of the wing area, the software calculates the lift. The package was created at the NASA Glenn Research Center.

FoilSim II is a Java applet program that executes inside the browser of your computer. It is available on the World Wide Web at http://www.grc.nasa.gov/WWW/K-12/airplane/foil2.html. You can also download the program to run off-line.

Shown below is a screen shot from the program's controls and displays. You may change the values of the variables by using the slider or the input box on the left of the slider.

To use the slider:

  1. Click the mouse pointer on the arrows at the ends of the slider.
  2. Click the mouse pointer anywhere between the slider and the arrow.
  3. Drag the slider with the mouse.

To use the input box:

Simply select the value in the input box, key in the new value, and press Enter or Tab when finished. The button on the slider will move corresponding to the value typed in the box.

Image of FoilSim Interface

Use the simulation to produce the graphs of the lift variables. To begin the problems, click on Using Graphs to Compare Lift Variables.


Assessment:

You, or you and your partner(s), will be evaluated on the accuracy or feasibility and completeness of your answers.

Evaluation:

You will demonstrate the ability to use the information produced through FoilSim to analyze and compare graphical data.

Submitted by: James P. Rinella, Big Walnut High School, Sunbury, Ohio


Related Pages:
Activity
Worksheet
Answers
Lesson Index
Aerodynamics Index

 

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Editor: Tom Benson
NASA Official: Tom Benson
Last Updated: Thu, May 13 02:38:38 PM EDT 2021

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