Prototype of an air to air thermoelectric heat pump integrated with a double flux mechanical ventilation system for passive houses

Garayo, Sergio Díaz de; Martínez, Álvaro; Aranguren, Patricia; Astrain, D.

doi:10.1016/j.applthermaleng.2021.116801

Cited by 18 publications

(4 citation statements)

References 26 publications

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“…The double dependency of heat pipes thermal resistance on the air flow and the heat flux is characterized and one prototype of heat pump is built (see Fig. 1, Left) and deeply analysed in [11] with the help of a climatic chamber, with different temperature gaps in air streams emulating all possible combinations in a building with different indoor and outdoor conditions. Main results are shown in next chapter (see Fig.…”

Section: Experimental Researchmentioning

confidence: 99%

Next generation of heat pumps for buildings based on thermoelectricity integrated with smart grids

Díaz de Garayo,

Ciria,

Fernández

2023

J. Phys.: Conf. Ser.

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This paper proposes a HVAC system that integrates a novel thermoelectric heat pump with a double flux ventilation system and a sensible heat recovery unit able to provide heating, cooling and ventilation to a 74.3m2 pilot passive house in Pamplona (Spain). The heat pump has been previously prototyped and analysed in the laboratory, showing COPs ranging 1.5-4 for heating and 0.5-2 for cooling. This study investigates the energy performance of the combined system (heat pump and ventilation unit) and the comfort conditions of the dwelling one year long, showing the advantages of this technology and the potential integration with PV based building-level smart-grids.

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Section: Experimental Researchmentioning

confidence: 99%

Next generation of heat pumps for buildings based on thermoelectricity integrated with smart grids

Díaz de Garayo,

Ciria,

Fernández

2023

J. Phys.: Conf. Ser.

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“…found that the optimized system can achieve COP of 2.0 under test conditions and upto 3.0 for typical hot climate. Garayo et al 44 studied the design and application of airto-air thermoelectric heat pump for application in ventilation system of a passive solar house using 10 TEMs.…”

Section: Studies On Demonstration Of Thermoelectric Heating And/cooli...mentioning

confidence: 99%

“…Su et al 31 studied the application of TEM and RSC system and found that the optimized system can achieve COP of 2.0 under test conditions and upto 3.0 for typical hot climate. Garayo et al 44 studied the design and application of air‐to‐air thermoelectric heat pump for application in ventilation system of a passive solar house using 10 TEMs. Results showed that the system produced 1250 W for heating and 375 W for cooling with respective COPs in range of 1.5 to 4.0 and 0.5 to 2.5 depending on airflows, temperature gradient, and voltage supply.…”

Section: Application Of Tem For Heating or Cooling Of Buildingsmentioning

confidence: 99%

Prospects of sustainable photovoltaic powered thermoelectric cooling in zero energy buildings: A review

Chandel

Prasad

et al. 2022

Intl J of Energy Research

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Thermoelectric module (TEM) is a scalable, reliable, and noise-free solid-state device that converts thermal energy into electrical energy and vice-versa. TEM has been explored for cogeneration, electronics cooling, power production, waste heat harnessing, and air-conditioning. The potential applications of TEM-based systems are in the building, for heating, ventilation, and airconditioning (HVAC), which represents its significant share in the energy consumption in the building sector. A photovoltaic powered thermoelectric system has even a stronger techno-economical potential. The main objective of the study is to explore the potential of PV-powered thermoelectric technology as a distributed air-conditioning system in buildings. In this study, a comprehensive review on PV-powered thermoelectric technology is presented in addition to several new design concepts for application in future development of sustainable zero energy building technologies in view of sustainability and global climate change concerns. A novel "STEM-Wall" concept is also discussed concerning future thermoelectric system designs for buildings. Additionally, the thermal comfort aspect of HVAC systems is critically analyzed by reviewing the standard predicted mean vote and predicted percentage of dissatisfied indices. The research outcome, analysis, and potential of TEM applications for future sustainability and thermal comfort in buildings are presented. Further follow-up research areas are also identified.

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“…Also, TEAC with 5 more than twenty TEMs will increase the energy consumption, attributed to less COP. In 2021, Garayo et al [24] optimized the COP of a thermoelectric cooling system with double flux mechanical ventilation in a house of 80 m 2 area. The authors emphasized the significance of airflows, voltage supply, and temperature gaps attributed to a maximum cooling capacity and COP of 375W and 2.5.…”

Section: Introductionmentioning

confidence: 99%

Cooling performance analysis of nanofluid assisted novel photovoltaic thermoelectric air conditioner for energy efficient buildings

Bakthavatchalam

Habib

Saidur

et al. 2022

Applied Thermal Engineering

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Prototype of an air to air thermoelectric heat pump integrated with a double flux mechanical ventilation system for passive houses

Cited by 18 publications

References 26 publications

Next generation of heat pumps for buildings based on thermoelectricity integrated with smart grids

Next generation of heat pumps for buildings based on thermoelectricity integrated with smart grids

Prospects of sustainable photovoltaic powered thermoelectric cooling in zero energy buildings: A review

Cooling performance analysis of nanofluid assisted novel photovoltaic thermoelectric air conditioner for energy efficient buildings

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