axle temperature control team members: mike erwin emery frey boun sinvongsa lee zimmerman advisors:...
Post on 19-Dec-2015
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![Page 1: Axle Temperature Control Team Members: Mike Erwin Emery Frey Boun Sinvongsa Lee Zimmerman Advisors: Industry: Dave Ruuhela Faculty: Lemmy Meekisho Internal/External](https://reader034.vdocuments.net/reader034/viewer/2022042615/56649d2f5503460f94a066c1/html5/thumbnails/1.jpg)
Axle Temperature Control
Team Members:
Mike ErwinEmery FreyBoun SinvongsaLee Zimmerman
Advisors:
Industry: Dave Ruuhela
Faculty: Lemmy Meekisho
Internal/External Search
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Design Goal
•Improve Fuel Efficiently of Tractor Trailers by Heating the Differential Fluid
•At 0°C Ambient, Fluid Temp Must be 65-80°C
•Fluid Temperature Cannot Exceed 80°C in the Differential
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External Search
•Prius Exhaust Heat Recovery System
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Wolverine Engine Oil Heaters
•External heating element with adhesive surface
•Internal heating element combined with oil drain plug assembly
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E.J. Bowman Heat Exchangers
•Removes thermal energy from exhaust gas and transfers it to water
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PADI USA Inc.•Removable insulation blankets custom fit
to device
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Internal SearchPotential solutions include:
• Insulation of Axle
• Electric Heating of Fluid
• Differential Case Warming with Exhaust Gas
• Heat Exchanger• Exhaust Gas Heat Exchanger• Coolant Fluid Heat Exchanger
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Insulation
• Bearing losses (friction) generates ~2000W
• Better retention of this heat may be sufficient to reach temperature goal.
• Becomes a cooling problem▫Radiator▫Cool air ventilation
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Electric Heater
• Simple and effective heat source
• Cheap to implement/control
• Does not harvest waste energy▫Potentially little or no overall efficiency gain
when used
• Could be part of a solution package▫Meet warm up rate requirement
© BriskHeat
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Warm The Diff Case with Exhaust• Uses Waste Energy
• Offers potential for active control (gas on/off)
• Most likely would require an enclosure of
some kind
• Potentially mechanically complex
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Heat Exchanger• Uses waste energy• Very Effective• Active Control
• More pieces/complexity▫Heat transfer fluid, pumps, exchangers, valves,
manifolds• Less Robust• More Cost
© Mocal Heat Exchangers
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Conclusion• Many potential solutions
• Final design will be influenced by how much additional heat energy is needed
• Once scope is set, driving force for design will be balancing cost and performance
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Questions?