FINAL DESIGN AND CONSTRUCTION DETAILS FOR A 6000 BTU/HR. THERMOELECTRIC AIR CONDITIONER
AMERICAN-STANDARD CORP UNION NJ
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The design details of a 6000 Btuhr thermoelectric air conditioner are presented. The performance specifications are summarized and the design calculations are also outlined. At design operating conditions, this air conditioner should produce 6000 Btuhr of cooling with an over-all coefficient of performance of 0.44. The unit is equipped with a number of small blowers which circulate air over the fins attached to the cold thermoelectric junctions and a second set of blowers which circulate air over the fins attached to the hot thermoelectric junctions. The air conditioner weighs approximately 85 pounds and is designed to fit conveniently in the wall of the enclosure to be cooled. Satisfactory junctions were produced by electroplating the thermoelectric elements with nickel, capping the nickel with a lead-tin alloy and then oven soldering these pellets to the tinned base of the aluminum fin blocks with a solder wafer placed between the capped element and the tinned base. The electrical contact resistance of a single junction is of the order of one micro-ohm and the joint can withstand a tensile load of at least 50 lbsq. cm.
- Air Conditioning, Heating, Lighting and Ventilating