Thermoregulatory Clothing System for Building Energy Saving PI: Jintu Fan (Cornell FSAD); Co-PI: Huiju Park (Cornell FSAD); Co-PI: Tasha Lewis (Cornell FSAD) Co-PI: Edwin Kan (Cornell ECE); Co-PI: Ronggui Yang (U Colorado ME) Duration of the Award : 04/27/2015 to 04/26/2018
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Thermoregulatory Clothing System for Building Energy Saving · Value Proposition and Uniqueness •Improved personal comfort, particularly in extreme conditions. •HVAC energy saving
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Thermoregulatory Clothing System
for Building Energy Saving
PI: Jintu Fan (Cornell FSAD);
Co-PI: Huiju Park (Cornell FSAD);
Co-PI: Tasha Lewis (Cornell FSAD)
Co-PI: Edwin Kan (Cornell ECE);
Co-PI: Ronggui Yang (U Colorado ME)
Duration of the Award : 04/27/2015 to 04/26/2018
Description of Technology
• Breathable undershirt embedded with
microtubes.
• Supplying of next-to-skin moving air
for thermoregulation.
• Sensing of skin temperature and
wireless communication using fabric
antenna
• Intelligent control of microclimate.
• Efficient and compact thermoelectric
energy conversion unit.
An air-conditioning garment system consisting of an undergarment fitted with
detachable micro-tubes and an electro-mechanical heating/cooling device
(EMD), providing next-to-skin cooling/warm air for thermoregulation.
Value Proposition and Uniqueness
• Improved personal comfort, particularly in extreme conditions.
• HVAC energy saving for indoor occupants.
• Effective cooling/heating function (up to 27 watts cooling and 18
watts heating) with COP>1.
• Portable personal air-conditioning.
• Machine washable of the undergarment after detaching the micro-
tubes and the electro-mechanical heating/cooling device (EMD).
• Little effect on choice of outer wear and appearance.
• Affordable (~$10 for undergarment, ~$200 for the EMD unit which
can be used for 3 to 5 years).
Key Challenges and Achievements
• Pressure drop in the micro-tubes.
• Seamless integration with the clothing system.
Key Challenges and Achievements
• Pressure drop in the micro-tubes.
• Seamless integration with the clothing system.
• Compactness and efficiency of thermoelectric energy
conversion unit.
• Accuracy in next-to-skin sensing and optimization in wireless