Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

An Assessment of Heating Load Reduction by Solar Air Heater in Residential Passive Ventilation System

Version 1 : Received: 6 November 2021 / Approved: 9 November 2021 / Online: 9 November 2021 (15:12:24 CET)

A peer-reviewed article of this Preprint also exists.

Matsunaga, J.; Kikuta, K.; Hirakawa, H.; Mizuno, K.; Tajima, M.; Hayashi, M.; Fukushima, A. An Assessment of Heating Load Reduction by a Solar Air Heater in a Residential Passive Ventilation System. Energies 2021, 14, 7651. Matsunaga, J.; Kikuta, K.; Hirakawa, H.; Mizuno, K.; Tajima, M.; Hayashi, M.; Fukushima, A. An Assessment of Heating Load Reduction by a Solar Air Heater in a Residential Passive Ventilation System. Energies 2021, 14, 7651.

Journal reference: Energies 2021, 14, 7651
DOI: 10.3390/en14227651

Abstract

This paper, we examined the technology to maximize the use of renewable energy. The passive ventilation system is expected to reduce the energy consumption of the fan power and the maintenance burden. In addition, the wall-mounted solar air heater can supply thermal energy without using any energy at all. Therefore, we propose a "passive ventilation system with a solar air heater" that combines a passive ventilation system with solar air heater to preheat the air supply and reduce the ventilation load. To evaluate the solar air heater performance in a real environment, we developed a simulation for calculating the heat collection capacity of the solar air heater, and then implemented the system in a real building for verification. Based on the measurement results, the effects of heating load reduction and prediction methods are presented.

Keywords

solar air heater; passive ventilation; ventilation load; residential house; actual measurement; simulation

Subject

ENGINEERING, Energy & Fuel Technology

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