Air powered car research paper

The best method of cleaning diesel exhaust is Selective Catalytic Reduction (SCR) which converts oxides of nitrogen (NOx) emissions into benign nitrogen gas and water. SCR can deliver near-zero emissions of NOx. The NOx reduction process starts with an efficient engine design that burns clean Ultra Low Sulfur Diesel (ULSD) and produces inherently lower exhaust emissions—exhaust that is already much cleaner due to leaner and more complete combustion. The vehicle’s onboard computer regulates the addition Diesel Exhaust Fluid (UREA) in precisely metered spray patterns into the exhaust stream just ahead of the SCR converter where the conversion happens. Together with the catalyst inside the converter, the mixture undergoes a chemical reaction that produces nitrogen gas (N2) and water vapor.

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The Fluor Engineering Challenge has very specific guidelines for building your car, and a scoring system for measuring its performance. The goal is for the car to transport weights from a starting area to a finish area. Points are awarded for how much weight the car can carry, and for unused construction materials. A summary of the rules and scoring guidelines, with an explanatory video, is presented later.
This video provides an overview of the Fluor Challenge. This video provides an overview of the Fluor Challenge. https:///watch?v=mCT-LGuuL24

  1. Materials: The challenge limits you to a specific list of materials you can use to build your car. You do not have to use all the materials, but you cannot use other materials, or more than the maximum allowable quantity. You earn points for each unused item. The material requirements are summarized in Table 1. You can use scissors to cut the construction materials.
    1. For example, each CD is worth 500 points, and you can use a maximum of 4 CDs. If you only use 2 CDs, you will earn 1,000 points.
    2. Note: Use of the tape is not pro-rated based on the amount you use. You can only earn 200 points if you do not use any tape at all.
Item Maximum Number Allowed Points per unused item Maximum Possible Points CD 4 500 2,000 Balloon
(9 inch latex) 2 3,000 6,000 Jumbo straw
(Approx. 1/2 inch diameter,
9 inches long ) 2 200 400 Pencil
(7 3/8 inches long) 2 100 200 Paper
( inch by 11 inch) 10 50 500 Jumbo paper clip
(1 ¾ inches long) 6 10 60 Scotch tape 1 roll 200 200 Table 1. Allowable materials and their point costs for the Fluor Challenge.
  1. Weights: You must use US pennies as weights. Each penny is worth 40 points .
  2. Car Dimensions: the completed car ( not counting the balloons) cannot be more than 28 inches wide, 18 inches long, or 24 inches tall. It must fit completely within "Area A" of the test area (see next step).
  3. Test Area Dimensions: The car must operate in a test area with dimensions as shown in Figure 10, and follow these rules:
    1. The car must start completely within Area A.
    2. You can only handle the car (setting it up, blowing up the balloon, etc.) while it is in Area A. You cannot touch the car after it has started moving.
    3. The weights must cross the finish line before going out of bounds. It is okay if parts of the car go out of bounds, as long as the weights are still in bounds (see Figure 11).
    4. It is okay if the weights keep moving and go out of bounds (over the side lines or back lines) after they have crossed the finish line.
    5. The test area should be a smooth surface (like a wood tabletop), not a rough surface like a carpet or tile floor with dips in between the tiles.

Figure 10. Official test area dimensions. The car must start completely within Area A, and transport the weights to Area B before the weights go out of bounds by crossing a side line.

Figure 11. An example of a successful test run. The weights and car start completely within Area A, and the weights (but not necessarily all of the car) cross the finish line completely before going out of bounds.
  1. Scoring: For a successful test run (as defined in Figure 11, above), your total score is calculated using Equation 2: Equation 2:

    Air powered car research paper

    air powered car research paper


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