Final Presentation -11 Nov 2015 (Part B Final)
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Transcript of Final Presentation -11 Nov 2015 (Part B Final)
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WATER HEATING SYSTEM PROJECTA VISION TO NUTURE LIVES USING SIMPLE TECHNOLOGY
FINAL PRESENTATION
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CLIENT
World Vision is a humanitarian aid, development, and advocacy organization.
It is active in more than 90 countries.
Their motto is to serve without reason and help without return.
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COMPANY DESIGN & MANUFACTURING COMPANY
BOUTIQUE WORK
HAMILTON, NEW ZEALAND
ESTABLISHED IN 1990
IPENZ ACCREDITED MEMBERS
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PROJECT TEAM
JACK WILLIAMSON – DESIGN ENGINEER
HUZAIFA MOHSINALLY – PROJECT MANAGER
ETHAN LITCHFIELD – MECHANICAL ENGINEER
ADEN TE KIRI – PRODUCT DEVELOPMENT ENGINEER
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PROJECT BRIEFDesign a small, energy efficient and low carbon footprint water
heating system for use in a developing region
SOLAR ENERGY
50-100L WATER
NO ELECTRICAL MAINS
TECHNICALLY UNSOPHISTICAT
ED
AVAILABILITY OF PARTS LOW COST
PRE-MADE PARTS
EASY TO PACK & SHIP
NO SPECIALISED TOOLS
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DESIGN CONSIDERATIONS
MECHANICAL CONSTRUCTION
ELECTRICAL CONTROL
THERMAL EFFICIENCY
ENVIRONMENTAL IMPACT
SERVICE REQUIREMENTS
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PROCESS OUTLINE1 • COMPLIANCE WITH THE IPENZ
CODE OF ETHICS
2 • 3 DESIGN POSSIBILITIES
3 • EVALUATION PROCESS
4 • IMPROVE CHOSEN DESIGN
5 • SOLIDWORKS DRAWING
6 • 3-D PROTOTYPE
7 •FINAL REPORT & PRESENTATION
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LOCATION
AFRICA
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3 DESIGN POSSIBILITIES
SOLAR ELECTRIC HEATING SYSTEM
FIREBOX / SOLID FUEL HEATING
SYSTEM
SOLAR EVACUATED TUBE HEATING
SYSTEM
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CHOSEN DESIGNSOLAR EVACUATED TUBE COLLECTOR HEATING SYSTEM
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INITIAL CONCEPT & SCHEMATIC
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WHAT IS A THERMOSTATIC MIXING VALVE?
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SYSTEM CONNECTIONS DRAWING
Solar Evacuated Tube Collector - Manifold
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SOLIDWORKS DRAWINGS
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FINAL ASSEMBLY WITH BILL OF MATERIALS
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3-D PROTOTYPING
INTERFACE CONNECTION
BETWEEN SOLAR EVACUATED TUBE & MANIFOLD SOCKET
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CALCULATIONSAIM: TO FIND REQUIRED ENERGY
Q=m.c.ΔT
Q=heat required(J) m=mass of water(kg) = 50L :: 50kg
Cwater=4200J/kgK ΔT=change in temperature(K) = (55-25)°C
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CALCULATIONSFrom Q = m.c.ΔT, Q = 6.3 x 106 J
1 tube maximum heat absorption = 60W 12 tubes maximum heat absorption = 720W
Average time in optimum conditions = 6 hours
Minimum average heat absorption rate = 291.67W
Minimum absorption efficiency of system = 40%
Minimum time in optimum conditions = 2hr 25min 48s
1 tube effective absorption area = 0.105m2 12 tubes effective absorption area = 1.26m2
Maximum heat available in optimum conditions = 1726.2W
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CALCULATIONSKEY POINTS:
LOCATION: KENYA, AFRICA
Solar radiation from the sun in Kenya with no distortion or obstructions = 1370W/m2
It would operate at maximum conditions as long as 41% of the sunlight is absorbed.
It would operate at minimum conditions as long as 16% of the sunlight is absorbed.
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PACKAGINGPackaging Material Price
Poly bubble 1300mm Wide $1.80 per metre
Poly bubble 650mm Wide $0.92 per metre
Corrugated Cardboard 1200mm Wide $1.68 per metre
Corrugated Cardboard 600mm Wide $1.03 per metre
Cord Strap 25mm $1.26 per metre
Steel Strap 19mm $0.54 per metre
Clear Packaging Tape 48mm x 100m $5.12 per roll
FULLY ENCLOSED WOODEN PLY CRATE
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SHIPPING• Dry cargo
• 40 Foot
• Ships to Kenya
• $6500 NZD
• Bulk shipping
• 208 kits
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SHIPPING ROUTES
CHINA PORT
END USER’S HOME
AUCKLAND PORT
AUCKLAND PORT
WORLD VISION DISTRIBUTION CENTRE
JHEA ENGINEERINGHAMILTON WAREHOUSE
KENYA PORT
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FINAL PRODUCT KIT• Solar Evacuated tube collector
– Installation instructions– 20 x 60W evacuated tube– 30L Manifold – Pressure relief valve– Frame with all parts
• Thermostatic mixing valve• Three-way water fitting• 2 x Red Hose• 2 x Blue Hose• 2 x 15L Solar bag• Outlet tap• Operating & assembly instructions
All enclosed in a ply crate
with poly bubble wrap
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AFTER REACHING END USER’S HOME
WOODEN PLY CRATESSTORAGE
PURPOSES BY END USER
GIVEN BACK TO WORLD VISION DISTRIBUTION
CENTRE
POST INSTALLATION INSPECTION
INFORM WORLD VISION REPRESENTATIVE
REPLACEMENT DISPATCHED WITHIN A
FEW DAYS
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COSTINGCOMPONENT QUANTITY COST TOTAL COST
SOLAR EVACUATED TUBE
COLLECTOR KIT1 $600 $600
THERMOSTATIC MIXING VALVE 1 $30 $30
RED HOSE 2 $5 $10
BLUE HOSE 2 $5 $10
SOLAR BAG 2 $20 $40
OUTLET TAP 1 $10 $10
TOTAL $700
SHIPPING & PACKAGING SERVICE TOTAL COST
SHIPPING CHARGE FROM AUCKLAND TO HAMILTON $20
LABOUR CHARGE FOR REPACKING KITS $50
PACKAGING CHARGE FOR PRODUCT KITS $210
SHIPPING CHARGE FROM HAMILTON TO AUCKLAND $20
SHIPPING CHARGE FROM AUCKLAND TO KENYA $40
FREIGHT CHARGE FROM KENYA TO WORLD DISTRIBUTION CENTRE $10
QUALITY CONTROL & ON-SITE COSTS $50
TOTAL $400
RESOURCE COST GRAND TOTAL
SYSTEM COMPONENTS $700$1100
SHIPPING & PACKAGING SERVICES $400
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PROJECT TIMELINE
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PRODUCT DESIGN: SELLING POINTSCHEAP RENEWABLE ENERGY NO WASTE
UNIVERSAL APPEAL NO MAINTENANCE EASY TO ASSEMBLE & USE
HELPS POOR COMMUNITIES
PARTS EASILY AVAILABLE
HIGHLY EFFICIENT
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REFERENCES
http://mfat.govt.nz/Foreign-Relations/Africa/index.php
http://www.teara.govt.nz/en/map/35899/new-zealands-trade-with-
africa
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THANK YOUANY QUESTIONS?