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Thermoelectric multi-utility water heater cum air-conditioner.

Number: pap. 2623

Author(s) : RANE M. V., UPHADE D. B., RANE A. M.

Summary

A novel Thermoelectric Multi-Utility Water Heater cum Air-Conditioner, TE_MUWH, with water heating as primary utility and air-conditioning as bonus utility is presented. It is intended to serve the residential market. In India, 2 to 3 kW electric instant water heaters are typically deployed in residences. They typically consume ~3 kWh/day of electrical power. Their use contributes significantly to the peaking demand from residential buildings. Patented TE_MUWH is being developed as a modular scalable unit. It is expected to reduce energy consumption for residential water heating applications by over 50% and reduce demand by over 95% when coupled with suitable storage. As it has no moving parts and is expected to operate reliably for 20+ years. An enhanced surface aluminum extrusion serves as a radiant-cum-convective heat collection surface. Thermoelectric, TE, heating chips are in thermal contact with the extrusion on one side and a rectangular tube on the other. Tap water flows through the tube and heats up from 25°C to 50°C. The radiant-cum-convectively cooled surface of the TE_MUWH dispenses the cooling effect in the conditioned space of the house. It can cool the room air from 27°C to ~21°C. Judicious deployment of the chips ensures that the lift across the TE heat pump ranges from 10 to 41°C while heating water up to 50°C. Simulation of air/water flow over/in the TE_MUWH module are presented. Simulation results are compared with preliminary experimental data. This simple, modular, maintenance free TE_MUWH is expected to pave the way for future wide spread adoption of this type of energy efficient green technologies in residences.

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Format PDF

Pages: 10 p.

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Details

  • Original title: Thermoelectric multi-utility water heater cum air-conditioner.
  • Record ID : 30019021
  • Languages: English
  • Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2016/07/11

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