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Design and Development of a Thermoelectric Beverage Cooler. By: Brandon Carpenter Andrew Johnston Tim Taylor Faculty Advisor: Dr. Quamrul Mazumder University of Michigan - Flint. Objective. Refrigerator designed for cooling large multiple items

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design and development of a thermoelectric beverage cooler

Design and Development of a Thermoelectric Beverage Cooler


Brandon Carpenter

Andrew Johnston

Tim Taylor

Faculty Advisor:

Dr. QuamrulMazumder

University of Michigan - Flint

  • Refrigerator designed for cooling large

multiple items

  • Inefficient if only a single item is to

be cooled

  • Due to size is non-portable
  • Technology requires coolant, compressor,

and cumbersome tubing

  • Apply concept of refrigerator to a small

scale device

  • Solid-state, eliminate need for coolants
  • Portability; can be taken wherever needed
  • Concentrate cooling onto single object to

be cooled, eliminate energy waste in

cooling empty space


Turn This

Into This

engineering approach
Engineering Approach
  • Use Peltier thermo cooler to provide


  • Use tight fitting aluminum sleeve to

enhance conductivity

  • Machine base to match contour of

can bottom

  • Use fans with heat sink to remove heat
  • Power with drill battery
preliminary calculations
Preliminary Calculations
  • Initial goal: to cool a can from 700F to 350F in approximately 5 minutes.
  • Required Cooling Rate:

q= ρ V c

q= (1000kg/m3)( 3.54(10-4)m3)( 4.189kJ/kg∙K)( .0533 K/second)

This gives a value for q of .079 kW, or 79 Watts.

further calculations
Further Calculations
  • Base: ΔT = 16K kAl = .58W/m•K A= .00383m2 dx= .0051m
  • q = kA q= (.58)(.00383)(3137) q = 6.99W
  • Sleeve: ΔT = 16K kAl = .58W/m•K

L = .108m r1= .0327m r2= .0349m

  • q = 2πLk q= 2π(.108)(.58) = 95.4W [3]
  • Total Cooling = 95.4W + 6.99W = 102.4W
main components
Main Components
  • Peltier Cooler

Model TEC1-12709

Rated for 90W/ 139W Max

notes on cooler
Notes on Cooler
  • While a cooler with a higher rated wattage

would theoretically be able to remove

more heat, it creates more heat due to

resistance and requires a much larger

heat sink.

  • In order to remain portable a smaller

cooler was needed, affecting cooling time.

main components1
Main Components
  • Sleeve

6061 Aluminum

Cut to appropriate length

2.62” Inner Diameter

0.065” Wall


main components2
Main Components
  • Machined Base

6061 Aluminum

Designed to accommodate various cans,

as dimensions can differ

manufacturing assembly
Manufacturing / Assembly
  • Aluminum tubing was cut into appropriate
  • lengths to make sections
    • Beverage Compartment
    • Fan Housing (which was not used)
    • Wiring Compartment
    • Battery Compartment
manufacturing assembly1
Manufacturing / Assembly
  • Discs were made

to serve as plates

between sections

and for mounting


manufacturing assembly2
Manufacturing / Assembly
  • Components were assembled using

machine screws and


manufacturing assembly3
Manufacturing / Assembly
  • Insulation was placed around beverage compartment
  • Thermal paste was

applied between

thermo cooler,

heat sink, top disc,

base, and sleeve

testing procedure1
Testing Procedure
  • A 12 oz. pop can is filled with water and placed in the beverage compartment
  • Initial temperature of the water is recorded
  • Cooler is turned on, and temperature is recorded in two minute intervals
  • Additionally, the ambient air temperature, starting battery voltage, and final battery voltage are recorded to check for any correlation
testing procedure2
Testing Procedure
  • For each test, the data is entered into

an Excel spreadsheet

For comparison purposes, a similar test was conducted using a refrigerator


Data in graph form

  • Refrigerator – constant 0.317⁰F / min
  • Cooler - maximum 0.65⁰F / min

- average 0.317⁰F / min

  • In terms of the cooler outperformed the refrigerator
  • Could only maintain this cooling level for

short period due to battery

  • With available technology idea is not

yet practical

  • Current Peltier coolers are not very

efficient, require large heat sinks which

hinder portability

  • Also battery power/size ratio insufficient

for portability