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Irrigation System. ME 414: Team 4 Chris Cook Matt Griffey Jason Colgan Breanne Walters Jeremy Johnson. Provide a efficient watering system One inch coverage Layout area as shown Electric Utility Cost Water Waste. Specifications. Very Versatile Head

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irrigation system

Irrigation System

ME 414: Team 4

Chris Cook

Matt Griffey

Jason Colgan

Breanne Walters

Jeremy Johnson

specifications
Provide a efficient watering system

One inch coverage

Layout area as shown

Electric Utility Cost

Water Waste

Specifications
hunter pgj rotor sprinkler
Very Versatile Head

Pressure Range with Large Radii Range

Under $10 per Head

Adjustable Radii

Adjustable Heads for Required Pressures

Good Range for Precipitation Rates

Hunter PGJ Rotor Sprinkler
aft verification by zones
AFT Verification by Zones
  • Each Zone was modeled in AFT
    • 4 Zones
      • Common radii or general area
  • General Components set with 52.5 K value
  • End Components Modeled with Sprinkler
    • Hunter Professionals Gave Exit Flow Area
  • Assumed 60psi
  • PVC-Gauge 40 Pipe with Default Resistance
combined aft results
Combined AFT Results
  • AFT was run for all 4 Zones
  • Overall Pressure Drops
  • Concerned about pressure at each Head
    • All pressures were in check for each Head
me 414 project 2 tube and shell heat exchanger design
ME 414: Project 2: Tube and Shell Heat Exchanger Design

Jason Colgan, Chris Cook, Matt Griffey, Jeremy Johnson, Breanne Walters

design parameters
Design Parameters
  • Remove 1.2 Megawatts of power
  • Process Water
    • Inlet 90ºC
    • Outlet 40ºC
  • City water
    • Inlet during summer 25ºC
  • Optimal Length 4-6 meters
variable reduction
Variable Reduction
  • From previous iterations these nine were the variables that had the greatest effect on Weight, Length, Q, and ∆P’s
pareto charts for optimization
Pareto Charts for Optimization
  • Shell side pressure drop- Shell I/D had the greatest effect
  • Heat Exchanger overall weight- Shell I/D and Tube Length
  • Tube pressure drop- Mass flow rate through the tubes, Shell I/D and Tube Length
comparison of results
Comparison of Results
  • The optimized design- lower pressure drop and a shorter length than the original but heat transfer rate was too low
  • The adjusted optimized design- lowest pressure drop, medium length, and heat transfer rate off by 4% but highest mass
  • Initial design- closest heat transfer rate, lowest mass, highest pressure drop, but longest length
conclusions
Conclusions
  • Depending on the most stringent requirements two of these designs are valid
  • Initial Design
    • Closer Heat transfer rate- 1.205 MW
    • Longer Length- 5.15 m
    • Higher Pressure Drops-∆Pt= 77.21 Pa ,∆Ps= 57.58Pa
    • Lower Mass- 1653.42 kg
  • Adjusted Optimized Design
    • Close Heat Transfer Rate- 1.15 MW
    • Shorter Length- 4.4m
    • Lower Pressure Drop- ∆Pt= 38.92 Pa ,∆Ps= 37.55 Pa
    • Higher Mass- 1945.79 kg
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