P16452 Active Reciprocating Compressor Valve Assembly Team: Negar Salehi, Bob Osborn, Ian Nanney, Keith Leung, Chris Reynolds
Pugh Chart - Valve Assembly
Orifice Areas Inlet Valve: in 2 Suction Valve: in 2 Active Valve: in 2 Wall Pressure = 50 psi Vessel Size = 6 in diameter x 5 in stroke Simulation Results Active Valve:
Inlet and Suction Valve Solenoid valve used for gas or water Pipe Diameter = ½ in Flow Bore = 16mm = 0.6 in 12V DC Price: $10-20
32 Gauge Wire Calculations
Controller Subsystem DAQ PWM Controller Sensors Solenoids Power Supply Computer/LABVIEW Example of PWM Controls with Solenoids: Do snw kK7E
Vessel Analysis -Schedule 40 rupture pressure is 500psi -Schedule 80 rupture pressure is 930psi -Maximum Design stress is 2000psi -Max service temperature is 140 F, which should be enough for our demonstration purposes. Schedule 80 PVC Pipe Characteristics Bursting and Pressure properties of PVC Pipe
Vessel Analysis -Critical Stress-Hoop Stress σ=Pr/t σ=[(80psi)(3in.)]/0.591in. σ=404psi 404psi<2000psi; SF=4.95 -Longitudinal Stress σ=Pr/2t σ=[(80psi)(3in.)]/[(2)(0.591in)] σ=202psi 202psi<2000psi; SF=9.90 P=80 psi r=3.0 in t= Stress created is less than bursting stress
Cement Glue -Longitudinal Stress=Shear stress seen by the glue] σ=202psi -Stress seen by the plastic is should allow for no less than a quarter day of curing
3D Modeling - Assembly
3D Modeling - Vessel
3D Modeling-Valve Top Plate
3D Modeling-Valve Bottom Plate
3D Modeling - Cover Plate
3D Modeling- Solenoid Cover Yellow: Solenoid Cover Cyan: Solenoid
Bill of Materials
Project Plan: MSD II
Questions?