Fluid motor system problem: Water at 10°C is flowing at a rate of 115 L/min through the fluid motor shown in figure below. The pressure at A is 700 kPa and the pressure at B is 125 kPa. It is estimated that due to friction in the tubing there is an energy loss of 4.0 N.m/N of water flowing. At A the tubing entering the fluid motor is a standard steel hydraulic tube having an OD thickness of 2.0 mm. At B, the tube leaving the motor has OD mm. (a) Calculate the power delivered to the fluid motor by the water. (b) If the mechanical efficiency of the fluid motor is 85 percent, calculate the power output. (For water at 10°C, y = 9.81 kN/m³) 25 mm and a wall 80 mm and wall thickness of 2.8 INIH USE THE GENERAL ENERGY EQUATION BETWEEN POINTS A & B TO FIND hR 25-mm OD PA/y + ZA + VA²/2g + h- hg- h = Pg/y+ Zg + V³/2g x 2.0-mm wall Flow BUT power delivered by a fluid to a motor is given by the following equation PR = hg x weight flow rate = Fluid motor hR y Q 1.8 m %3D HonDED AN Efficiency (em) is given by the following equation HECKI CORRECT EXPLAIN W 80-mm OD x 2.8-mm wall CHECK BELOW ANSWER: Po 0.9256 Kw %3D B. WHAT IS THIS IN HORSEPOWER? 6.
Fluid motor system problem: Water at 10°C is flowing at a rate of 115 L/min through the fluid motor shown in figure below. The pressure at A is 700 kPa and the pressure at B is 125 kPa. It is estimated that due to friction in the tubing there is an energy loss of 4.0 N.m/N of water flowing. At A the tubing entering the fluid motor is a standard steel hydraulic tube having an OD thickness of 2.0 mm. At B, the tube leaving the motor has OD mm. (a) Calculate the power delivered to the fluid motor by the water. (b) If the mechanical efficiency of the fluid motor is 85 percent, calculate the power output. (For water at 10°C, y = 9.81 kN/m³) 25 mm and a wall 80 mm and wall thickness of 2.8 INIH USE THE GENERAL ENERGY EQUATION BETWEEN POINTS A & B TO FIND hR 25-mm OD PA/y + ZA + VA²/2g + h- hg- h = Pg/y+ Zg + V³/2g x 2.0-mm wall Flow BUT power delivered by a fluid to a motor is given by the following equation PR = hg x weight flow rate = Fluid motor hR y Q 1.8 m %3D HonDED AN Efficiency (em) is given by the following equation HECKI CORRECT EXPLAIN W 80-mm OD x 2.8-mm wall CHECK BELOW ANSWER: Po 0.9256 Kw %3D B. WHAT IS THIS IN HORSEPOWER? 6.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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