Final Presentation MAE188 Fall Quarter 2011
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Transcript of Final Presentation MAE188 Fall Quarter 2011
UCI Engineering Design in IndustryWater Pump Project - Fall 2011
Final Presentation
Students Advisor OC Great Park
Kevin AnglimAndrea MarianiBrandon NillesPhong PhanGagan Singh
John Garman Glenn ChalkleyTom GrimmTom LarsonJordan Perkins
The Goal
The goal of this project was the design anddevelopment of a water pump apparatus thatwould be used as an educational exhibit in the OCGreat Park’s Farm & Food Lab.
As a secondary objective, this pump wouldadvertise a utilitarian pumping system that will bedeveloped for nations with water-pumping needs,alleviating some of the hardships people mustendure in order to get the water they need.
Water Awareness - California
• 200 million acre- feet of water fall in CA/ year▫ Over half soaks into ground/ evaporates/ used by
vegetation
▫ Leaves 86 million acre-feet of water for use
48%- environmental uses
41%- agriculture
9%- cities & industries
75% of CA’s available water occurs N. of Sacramento, while 80% of the demand occurs in the southern 2/3 of the state
*1 acre foot is 326,000 gallons- enough water for 2 families for a year
Water Awareness – CA Water Delivery
• Surface Water Projects
▫ Provide major portion of water
▫ 1000+ federal, state, local reservoirs & hundreds of miles of canals and pipelines
▫ 2 major:
Central Valley Project (CVP, federal)
State Water Project (SWP, state)
Water Awareness - Key Water Projects
Water Projects Amount of Water
Central Valley Project 7 MAF- per year
State Water Project 2.3 MAF- per year
All- American Canal 3 MAF- per year
Colorado River Aqueduct 1.2 MAF-per year
Los Angeles Acqueduct 200,000 AF- per year
Mokelumne Aqueduct 364,000 AF- per year
San Francisco Hetch Hetchy Project 330,000 AF- per year
Water Awareness - CVP
• Begins in Cascade Mtn’s near Redding, and goes down to near Bakersfield
• 20 damns and reservoirs, 11 power plants, 500 miles of major canals
• Manages 9 million acre-feet of water
• 600,000 acre-feet for municipal and industrial use ~1 million households for a year
• 800,000 acre-feet/ year to fish and wildlife; 410,000 acre- feet to State and Federal wildlife refuges and wetlands
Water Awareness - CVP
Courtesy: U.S. Dept. of the Interior
Water Awareness - SWP
• Nation’s largest state built system
• Water for 23 million & 755,000 acres of farmland
• Includes the 444 mile CA aqueduct
▫ Delivers to San Joaquin Valley, SF Bay, S. CA
Water Awareness - SWP
Courtesy: Legislative Analysts Office
Water Awareness - Irvine
• We get our water from 3 sources:
▫ State water project
▫ Colorado River
▫ Groundwater
Design Issue
• Main Issues▫ Durability
Frequency of maintenance?
How long it would last?
▫ Accessibility
Age and size?
Handicap?
▫ Availability
Off the shelf products?
▫ Ease of Manufacture
Difficulty of assembly and fabrication
▫ Safety
Does it satisfy safety regulations?
Initial Requirements
Requirement Units Nominal Optimal Weight
User: - - - -
Age Years 6 to 16 4 to 21 3
Quantity People / Day 100 1000 4
Engineering: - - - -
ADA Accessibility Need Yes Yes 4
Flow Rate Gallons/Minute 5 10 5
Optimized Volume Pumped Need Yes Yes 4
Budget Dollars ($) $500-$1000 <$500 4
Design: - - - -
Longevity Years 5 10 5
Maintenance Minutes/month 5 0 5
Production Quality 1 - 5 (5=best) 5 5 5
Aesthetic 1 - 5 (5=best) 4 5 4
Safety 1 - 5 (5=safest) 4 5 5
Initial Ideas
• Handcart
• Treadmill
• Wheel
• Pendulum pump
• Archimedes screw
• Pulley
• Bicycle powered pump
Updated RequirementsRequirement Units Nominal Optimal Weight
User: - - - -
Age Years 6 to 11 4 to 21 3
Quantity People / Day 100 1000 4
Engineering: - - - -
ADA Accessibility Need Yes Yes 1
Optimized Volume Pumped Need Yes Yes 4
Design: - - - -
Longevity Years 5 10 5
Maintenance Minutes/month 5 0 5
Production Quality 1 - 5 (5=best) 5 5 5
Aesthetic 1 - 5 (5=best) 4 5 4
Safety 1 - 5 (5=safest) 4 5 5
Representative of Exportable 1 - 5 3 5 5
Budget Dollars ($) $500-$1000 <$500 4
Cycle Specific Requirements: - - - -
Cadence Range RPM 60 to 90 Any 3
Crank-to-Seat Length Inches 16 16-24 3
Pump Specific Requirements:
Flow Rate Gallons/Minute 6 to 10 15 to 20 3
Cadence Range Rotations/Minute 90 to 120 150 to 200 4
Bicycle System
• Two main design concerns:
▫ Drive Train
Chain
Belt
Shaft
▫ Seat Configuration
Upright
recumbent
Shaft Drive
• Pros
Safe
Gears are enclosed
No exposable moving parts
Lower maintenance frequency
Bevel gears protected from impacts/debris
Durable
• Cons
Heavier
Inability to repair
shaft must be replaced
More expensive
Seat Selection
RecumbentPros:
• More comfortable• Safer due to lower
center of gravityCons:
• Unable to shift weight to balance
UprightPros:
• Commonly found• Light-weight• Can have multiple riding
positionsCons:
• Uncomfortable over long periods of time
Down-Selection of Drive Train
Selection Criteria Chain Drive Rubber Belt Drive Kevlar Belt Drive Drive Shaft
Durability 2-3 Months* 1 Year* 1+ Year 1+ Year
Safety(1-5)
3 3 3 5
Maintenance(1-5)
4 3 3 5
Maintenance Frequency
2 Weeks* 1 Week* 2 Weeks* 1 Month*
Outdoor Use (1-5)
3 3 5 5
Replaceability(1-5)
5 4 3 2
Cost $100* $200* $300* $100*
Ease of Manufacture(1-5)
5 5 5 5
Rank 3 4 2 1
Continue? No No No Yes
* = estimation
Status at Midterm
• Had selected our final design
• Completed two proof of concept tests
Need to:
• Construct a final working prototype
Final Steps
Final Production Steps
• Detail components and materials for actual parts sourced
• Fabricate prototype to verify design
• Analyze prototype performance
• Recommend design revisions
Final Product
Recommendations
• The use of components other than those used in our prototype is acceptable and occasionally preferable (i.e. pump selection). Details of the final design would be changed to account for this, but the fabricator judgment can account for these variations. Details of our prototype design have been included.
• Optimizing some features (e.g. seat geometry, pump selection) can only be done with further iteration of the whole system, which we hadn’t the resources for. A design that will last for years would call for this.
• The above holds true for exportable versions of this concept as well as they would demand durability perhaps beyond even that required in a park full of children.
Special Thanks!
• AbioBikes.com▫ Provided the drive shaft
• BambooDNA.com▫ Provided fabrication shop
• OC Great Park▫ Provided the opportunity to work on a great project