APPAREL CALCULATOR Joey Nielsen Derek Jensen Robb Hays.
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Transcript of APPAREL CALCULATOR Joey Nielsen Derek Jensen Robb Hays.
• Create customizable heat loss model of the human body
• Create calculator that computes insulation thicknesses for various textiles
• Translate insulation thicknesses into usable information for the user
PROJECT OBJECTIVES
• Radiation is negligible• Heat transfer between body
parts is negligible• Wind speed is normal to the
surface of body parts• Thermal conductivities and
other textile properties are uniform
• 30% of heat loss is from head• Other 70% is divided among
other body parts equally
ASSUMPTIONS
MODEL OF THE HUMAN BODY
Decompose body into system of 5 cylinders (arms, legs, torso) and 1 sphere (head) and find sizes of each using biometrics from Drillis and Contini
FINDING REQUIRED INSULATION THICKNESS
Use h to find thickness, based on equivalent resistance of each layer
• Support for multiple layers of clothing
• Computer modeling of body heat loss
• GUI standalone interface• Support for warm weather
clothing (including radiation effects)
POSSIBLE IMPROVEMENTS