Experimental Study on the Performance of a Household Dual-Source Heat Pump Water Heater

Gou, Xiang; Liu, Shian; Fu, Yang; Zhang, Qiyan; Iram, Saima; Liu, Yingfan

doi:10.3390/en11102811

Cited by 6 publications

(2 citation statements)

References 31 publications

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“…There are also known analyses in which the authors took into account the integration of wastewater heat pumps and solar energy systems [122]. On the other hand, Gou et al [123] drew attention to the possibility of using a dual-source heat pump to use energy from wastewater and air heat. Table 2 includes examples of papers published in recent years, the subject of which is devoted to the use of wastewater heat pumps, and the further part of the paper presents a SWOT/SOAR analysis of wastewater energy recovery technology using heat pumps (Figure 11).…”

Section: The Latest Research On the Use Of Wastewater Heat Pumpsmentioning

confidence: 99%

Opportunities and Challenges for Research on Heat Recovery from Wastewater: Bibliometric and Strategic Analyses

Kordana-Obuch,

Wojtoń,

Starzec

et al. 2023

Energies

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The potential for recovering heat from wastewater exists at various stages, including generation, transport, and treatment. As a result, various technologies for thermal energy recovery from wastewater are now successfully employed in many countries. In order to synthetically present the current state of knowledge on heat recovery from wastewater, a bibliometric analysis of previously published studies indexed in the Web of Science database was performed. The review was further extended with strategic SWOT and SOAR analyses to identify internal and external factors determining the competitive advantage and weaknesses related to the use of wastewater heat exchangers and heat pumps. These analyses indicated the need for further research on the possibilities of heat recovery from wastewater as the use of this technology, both at the building level and on a larger scale, contributes to the implementation of sustainable development goals, especially in terms of improving energy efficiency and reducing CO2 emissions. Particular emphasis should be placed on research into the use of warm wastewater together with other, better known and accepted, renewable energy sources. It is also important to continuously educate the public and promote heat recovery technologies at various levels, as well as to increase the involvement of legislators and other stakeholders.

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Section: The Latest Research On the Use Of Wastewater Heat Pumpsmentioning

confidence: 99%

Opportunities and Challenges for Research on Heat Recovery from Wastewater: Bibliometric and Strategic Analyses

Kordana-Obuch,

Wojtoń,

Starzec

et al. 2023

Energies

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“…Systems of this type can also be used within the wastewater collection system [40]. This is due to the fact that the coefficient of performance of the heat pump increases with the increase of the bath water flow rate [41]. In the case of individual residential buildings, the application of shower heat exchangers seems to be the only rational solution to reduce the consumption of fossil fuels and CO 2 emissions.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Feasibility of Implementing Shower Heat Exchangers in Residential Buildings Based on Users’ Energy Saving Preferences

2021

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In Poland, domestic hot water is heated mainly using fossil fuel energy sources. Such an approach results in the depletion of natural resources, pollution of the atmosphere and, consequently, irreversible changes to the climate. In response to this problem, this research identified the factors that most determine energy savings for heating water in residential buildings, as well as those that affect the choice of an alternative energy source. Additionally, the possibility of implementing shower heat exchangers in existing and newly built residential buildings was assessed, as well as society’s willingness to use such devices. The research was carried out on a sample of 462 inhabitants of the Podkarpackie Voivodeship (Poland). A questionnaire survey was used as a tool. The conducted research has shown that the perspective of environmental protection is not a sufficient motivator to save energy for heating domestic hot water. It is necessary to implement appropriate programs aimed at informing the public about the possibilities offered by the use of alternative energy sources and co-financing the purchase of appropriate devices. In the case of drain water heat recovery systems, a significant problem is also the need to develop new, highly effective designs of shower heat exchangers which can be installed under the floor linear shower drain or on the horizontal shower waste pipe.

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Performance analysis of a novel integrated home energy system with freezing latent heat collection

Guo

Zhang

2020

Applied Energy

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Experimental Study on the Performance of a Household Dual-Source Heat Pump Water Heater

Cited by 6 publications

References 31 publications

Opportunities and Challenges for Research on Heat Recovery from Wastewater: Bibliometric and Strategic Analyses

Opportunities and Challenges for Research on Heat Recovery from Wastewater: Bibliometric and Strategic Analyses

Assessment of the Feasibility of Implementing Shower Heat Exchangers in Residential Buildings Based on Users’ Energy Saving Preferences

Performance analysis of a novel integrated home energy system with freezing latent heat collection

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