git.gag.com Git - sw/motorsim/blob - src/com/billkuker/rocketry/motorsim/motors/example/EndBurner.java

   1 package com.billkuker.rocketry.motorsim.motors.example;\r
   2 \r
   3 import java.awt.Shape;\r
   4 import java.awt.geom.Rectangle2D;\r
   5 \r
   6 import javax.measure.unit.SI;\r
   7 \r
   8 import org.jscience.physics.amount.Amount;\r
   9 \r
  10 import com.billkuker.rocketry.motorsim.ConvergentDivergentNozzle;\r
  11 import com.billkuker.rocketry.motorsim.CylindricalChamber;\r
  12 import com.billkuker.rocketry.motorsim.Motor;\r
  13 import com.billkuker.rocketry.motorsim.fuel.KNSU;\r
  14 import com.billkuker.rocketry.motorsim.grain.RotatedShapeGrain;\r
  15 \r
  16 public class EndBurner extends Motor {\r
  17         public EndBurner() {\r
  18                 setName("End Burner");\r
  19                 setFuel(new KNSU());\r
  20 \r
  21                 CylindricalChamber c = new CylindricalChamber();\r
  22                 c.setLength(Amount.valueOf(150, SI.MILLIMETER));\r
  23                 c.setID(Amount.valueOf(50, SI.MILLIMETER));\r
  24                 setChamber(c);\r
  25 \r
  26                 setGrain(new RotatedShapeGrain() {\r
  27                         {\r
  28                                 try {\r
  29                                         Shape outside = new Rectangle2D.Double(0, 0, 15, 70);\r
  30                                         shape.add(outside);\r
  31                                         shape.inhibit(outside);\r
  32                                         shape.subtract(new Rectangle2D.Double(0, 50, 5, 70));\r
  33                                         shape.subtract(new Rectangle2D.Double(0, 70, 15, 10));\r
  34                                 } catch (Exception e) {\r
  35                                         throw new Error(e);\r
  36                                 }\r
  37                         }\r
  38                 });\r
  39 \r
  40                 ConvergentDivergentNozzle n = new ConvergentDivergentNozzle();\r
  41                 n.setThroatDiameter(Amount.valueOf(4, SI.MILLIMETER));\r
  42                 n.setExitDiameter(Amount.valueOf(9, SI.MILLIMETER));\r
  43                 n.setEfficiency(.85);\r
  44                 setNozzle(n);\r
  45         }\r
  46 \r
  47 }\r