the team lincoln cummings (ie) – project manager joe calkins (me) – chief engineer mark fazzio...
Post on 19-Dec-2015
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R I TR I T
0500205002Micro Turbine III Senior DesignMicro Turbine III Senior Design
The Team
Lincoln Cummings (IE) – Project Manager
Joe Calkins (ME) – Chief Engineer
Mark Fazzio (ME) – Technical Writer
Allison Studley (ME) – Minutes Taker
Dr. Kozak – Faculty Advisor
Dr. Walter – Faculty Coordinator
Sponsor – RIT Mechanical Engineering Dept.
05002 Micro Turbine III Senior Design05002 Micro Turbine III Senior Design
Team Assignments
05002 Micro Turbine III Senior Design05002 Micro Turbine III Senior Design
05002 Micro-Turbine ProjectLeader – Cliff CummingsMentor – Prof. Jeff Kozak
Fuel SystemsLead – MarkAsst. - Cliff
PDR/CDR
PaperLead – Mark
PresentationLead - Joe
Turbine and HousingLeads – Joe/Allison
Mission StatementWe will design and build a micro-turbine/generator that can be integrated onto a micro-air-vehicle airframe and power the vehicle’s accessories. The micro-turbine will be a continuation of the previous team’s project with the application of their design to be used for MAV power production.
05002 Micro Turbine III Senior Design05002 Micro Turbine III Senior Design
Background• Current battery technology causes the
battery to be up to half of the weight of the MAV.
• Research into lighter weight power generation methods led to micro-turbine generators.
• Third generation RIT Senior Design project
05002 Micro Turbine III Senior Design05002 Micro Turbine III Senior Design
Primary Objectives• Produce a constant 5 watts of power• Overall weight of less than 45 grams• Integrated into the MAV airframe• Minimum flight time of 3 minutes
Additional Objectives• Drive the propeller of the plane• Increase efficiency of the system
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Previous Design
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Previous Turbine Design
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Senior Design Team 04013
Concept Considerations
• Smaller housing needed to integrate into MAV airframe
• Compressed gas containers must be integrated into MAV airframe
• Components capable of high rotational speeds• Containment of high pressures within the system• Minimum 3 minute run time• Overall system weight goal of 45 grams
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Research Methods
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• Preliminary Research
• Review of last year’s design
• Additional Research
Feasibility Assessment
Last Year's Design 2 Inlet 2 Outlet ConceptCost 3 2Size 3 2Weight 3 3Availability 3 3Manufacturability 3 2
Average 3.00 2.40Normalized Average 1.00 0.80
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• 2 Options – Direct Comparison
• >2 Options – Weighted ComparisonWeighting Air Bearings Magnetic Bearings Axial Bearings Radial Bearings
Cost 0.2 4 4 3 2Size 0.1 5 5 2 2Weight 0 3 3 3 3Availability 0.35 5 5 2 2RPM Rating 0.35 2 2 3 3
Weighted Average 3.75 3.75 2.55 2.35Normalized Average 1.25 1.25 0.85 0.78
Feasibility AssessmentConsiderations
• Ability to meet the objectives
• Overall Size
• Total Weight
• Availability of procured items
• Ease of Manufacture
• Cost of procurement/manufacture
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Turbine Concepts
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3-D Pelton Wheel Turbine
2-D Pelton Wheel Turbine
Francis Turbine
Axial Impulse Turbine
Turbine Feasibility
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Turbine Feasibility
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3-D Pelton Wheel Turbine
2-D Pelton Wheel Turbine
Francis Turbine
Axial Impulse Turbine
?
Housing Concept• Cross flow design• 2 Inlets – 2 Outlets• Tight tolerances to
prevent flow from going around the turbine.
• 30% Fiberglass reinforced Nylon material
• Overall Size: 1.25” OD
0.6” Depth
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Housing Feasibility• Smaller OD• Lighter weight• O-Ring seal vs.
Gasket seal• Inlet/Outlet redesign• Designed for
manufacturability
05002 Micro Turbine III Senior Design05002 Micro Turbine III Senior Design
Housing Analysis
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Propellant System Concepts
Fuel• Compressed CO2 Cartridges• Compressed N2 Cartridges• Compressed Air TanksTubing• Flexible plastic lines• Rigid metal linesRegulator• Bellows regulator to decrease the inlet pressure• Micro nozzle to decrease the inlet pressure
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Propellant System Feasibility
Fuel• Compressed CO2 Cartridges• Compressed N2 Cartridges• Compressed Air TanksTubing• Flexible plastic lines• Rigid metal linesRegulator• Bellows regulator to decrease the inlet pressure• Micro nozzle to decrease the inlet pressure
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Other Design Concepts/Considerations
• Bearings: Sealed Air Shielded Magnetic
• Seals: O-Ring Gasket
• Use outlet flow in rear of wings/plane to reduce pressure drag
05002 Micro Turbine III Senior Design05002 Micro Turbine III Senior Design
Other Design Concepts/Considerations
• Bearings: Sealed Air Shielded Magnetic
• Seals: O-Ring Gasket
• Use outlet flow in rear of wings/plane to reduce pressure drag
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Test Setup
• Test initially using
laboratory supplied
compressed nitrogen.
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• Canister compressed gas testing will be performed after concept is proven
Financial Analysis
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05002 Micro-Turbine III Project
Component Description Price per Qty Line PriceHousing Turbine $96.00 1 2 $192.00
Nylon rod $5.97 foot 1 $5.97machining $10.00 1 1 $10.00fittings $1.00 1 4 $4.00bearings $40.00 10 10 $40.00coupling $14.09 10 10 $14.09Mini Stainless Steel Shaft $3.93 1 1 $3.93O-Ring $4.00 100 100 $4.00Nylon cheese head screw $5.60 100 100 $5.60black nylon 6/6 nut $10.00 100 10 $1.00
Fuel Systems Ni Canisters $20.00 1 2 $40.00Connector $0.62 1 2 $1.24O-Ring $7.50 1 2 $15.00Puncture components $20.00 1 2 $40.00Jets $100.00 50 50 $100.00
Electrical Generator $200.00 1 1 $200.00
Overall Cost $676.83
Final Design
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Design Limitations• Propellant cartridge & piercing device weight is
24x higher than the design target weight
• Means of reducing the pressure of the propellant are inefficient
• Finding a generator to meet the high speed requirements
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Schedule
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Questions?
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