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Jonathan Kennedy EGR188 Quiz 6 Due: 02/27/2012 #20 (a) if the Reynolds number is 500, what is the coefficient of drag? Coefficient of Drag: 0.6 (b) if the coefficient of drag is 2, what is the Reynolds number? Reynolds Number: 30 (c) if the fluid flows around a sphere of diameter 1 centimeter traveling at a velocity of 2.45 centimeters per second, determine the drag force of the particle in units of newtons. (Hint: determine the Reynolds number of the system, then find the coefficient of drag, then calculate the force.) Reynolds Number: 29.76 Coefficient of Drag: 2 Force in Newtons: 5.2282 newtons (d) if a coefficient of drag of 100 is produced, what is the diameter of the particle? Assume the fluid is moving at 1 centimeter per second. (Hint: determine the Reynolds number of the system, then calculate the diameter.) Coefficient of Drag: 100 Reynolds Number: 1.2 Diameter: 9.8792 centimeters #21 (a) if the Reynolds number is 3,000, what is the coefficient of drag? Coefficient of Drag: 4 (b) if the coefficient of drag is 5, what is the Reynolds number? Reynolds Number: 8 (c) if MEK flows around a sphere of diameter 0.5 centimeter travelling at a velocity of 1.5 centimeters per second, determine the drag force on the particle in units of newtons. (Hint: determine the Reynolds number of the system, then find the coefficient of drag, then calculate the force.) Reynolds number: 140.4069 Coefficient of Drag: 0.9 Force in Newtons: .1601 newtons 1 Jonathan Kennedy EGR188 Quiz 6 Due: 02/27/2012 (d) if a coefficient of drag of 20 is produced, what is the diameter of the particle? Assume the fluid is moving at 15 centimeters per second. (Hint: determine the Reynolds number of the system, then calculate the diameter.) Coefficient of Drag: 20 Reynolds Number: 3 Diameter: .0011 centimeters 2