-1- Actuators one and three displace 10 in³ of fluid from actuator two during these actions. -2- Actuators one and three each exert a 120 pounds of force against the 100-pound counter force of actuator two. -3- Actuator one requires 20% more fluid than the volume displaced from actuator two during this action. -4- Actuator three requires .01% less fluid than the volume displaced from actuator two during this action. -5- Actuator one can not satisfy its fluid volume requirement with the displaced fluid of actuator two. -6- Actuator three can satisfy its total fluid volume requirement with the displaced fluid of actuator two. -7- Part of actuator three's 20% surplus power must overcome the system's power requirements and frictional losses while running itself. -8- The remaining power can generate external mechanical work. 13.254 ACTUATOR COMPARISON SCENARIO ONE SCENARIO TWO COMPARISON VALVE CLOSED VALVE OPEN 10 PSIG PRESSURE SOURCE 10 PSIG PRESSURE SOURCE OPEN VALVE VALVE CLOSED VALVE OPEN 10 PSIG PRESSURE SOURCE 10 PSIG PRESSURE SOURCE OPEN VALVE V1 V2 V1 V2 12 IN² F1 F2 BOUNDARY FACE ACTUATOR ONE 10 IN² BOUNDARY FACE ACTUATOR TWO 10 IN² BOUNDARY FACE ACTUATOR TWO 12 IN² F1 F2 BOUNDARY FACE ACTUATOR ONE 1" TRAVEL VOLUME ONE (V1) CHANGE = 12 IN³ VOLUME TWO (V2) CHANGE = 10 IN³ FORCE ONE (F1) = 120 POUNDS FORCE TWO (F2) = 100 POUNDS TRAVEL IS EQUAL FOR BOTH ACTUATORS. WALLS = 1" X 10" V1 V2 V1 V2 10 IN² BOUNDARY FACE ACTUATOR TWO 10 IN² BOUNDARY FACE ACTUATOR TWO 1" TRAVEL 10 IN² F1 F2 EACH WALL ACTUATOR THREE 10 IN² F1 F2 EACH WALL ACTUATOR THREE WALLS = 1" X 10" VOLUME ONE (V1) CHANGE = 9.99IN³ VOLUME TWO (V2) CHANGE = 10 IN³ FORCE ONE (F1) = 120 POUNDS FORCE TWO (F2) = 100 POUNDS TRAVEL IS EQUAL FOR BOTH ACTUATORS. START START
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