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Performance modeling of a thermoelectric heat pump clothes dryer with very high air flow.

Number: 2459

Author(s) : BOUDREAUX P., PATEL V., HALL C., GLUESENKAMP K., KARMAN S., ELLIS D., GEHL A.

Summary

Previous research has shown that a clothes dryer heated by thermoelectric (Peltier) heat pumps can be up to 85% more efficient than a conventional electric-resistance dryer. A previous thermoelectric prototype used a conventional dryer’s air flow of 120 CFM (0.06 m3/s) and provided about 1300 W of thermoelectric heating capacity with an experimentally measured energy factor of 6.89 lbc/kWh and 84-minute dry time (compared with ENERGY STAR criteria of >3.93 lbc/kWh and <80 minutes). In this work, an experimentally validated thermohydraulic model is presented that was used to explore the performance of a very high air flow rate thermoelectric heat pump clothes dryer. Modeled performance shows that an energy factor > 7 lbc/kWh with a dry time < 80 minutes is achievable with an airflow rate of 240 CFM (0.11 m3/s) and 600 W of thermoelectric heating capacity.

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Pages: 9 p.

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  • Original title: Performance modeling of a thermoelectric heat pump clothes dryer with very high air flow.
  • Record ID : 30030738
  • Languages: English
  • Subject: Technology
  • Source: 2022 Purdue Conferences. 19th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2022

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