Gas engine heat pump system: Experimental facility and thermal evaluation for 5 different units

Ramos, José Sánchez; Delgado, MCarmen Guerrero; Domínguez, Servando Álvarez; Félix, José Luis Molina; Cabeza, Luisa F.

doi:10.1016/j.enconman.2019.112060

Cited by 3 publications

(2 citation statements)

References 41 publications

(71 reference statements)

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“…In Figure 21, the proposed system (PS), including GEHP and the traditional system (TS) composed by EHP and the boiler, are shown. The information used for the comparison is taken from experimental work on air-to-water GEHP [43] and manufacturer data for EHP [44], while for the boiler, a thermal efficiency equal to 0.926 has been estimated. The emission factor for natural gas is equal to 0.205 kg CO 2 /kW h Ep .…”

Section: Comparison Gehp/ehp: Heating Modementioning

confidence: 99%

“…The emission factors considered for environmental analysis are 0.634 kg CO 2 /kW h el [45] for electricity (EU28, Table 1) and 0.205 kg CO 2 /kW h Ep for natural gas. The information used for the PER evaluation is taken from [43] for GEHP and from [44] for EHP. In Figure 26, PES shows an improvement as a function of outdoor air temperature.…”

Section: Comparison Gehp/ehp: Cooling Modementioning

confidence: 99%

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Gas Engine-Driven Heat Pumps for Small-Scale Applications: State-of-the-Art and Future Perspectives

2021

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Gas engine-driven heat pumps are an interesting option to satisfy space heating and cooling demands aiming at energy saving, environmental impact and operating costs’ reduction. This work presents (i) a comprehensive review updated on gas engine-driven heat pumps research activities, (ii) the investigation of the central role of this technology in the air conditioning sector and (iii) the future perspectives regarding gas engine heat pumps’ diffusion in the context of the energy sector decarbonisation. The outcomes highlight that gas engine heat pumps could have better environmental performance compared to electric heat pumps both in heating and cooling operations. Moreover, they could play a pivotal role in the fight against climate change and energy security since they can guarantee an energy mix differentiation moving from electricity to natural gas and renewable gases’ usage. Indeed, by 2030, a lower-carbon gas grid could be supported by renewable gases. A further investigation has concerned diffusion of gas heat pumps activated from biofuels produced by local biomass in an energy community scenario based on a low-temperature energy district network. A novel biomass-based GEHP interacting with a low-temperature district heating network is proposed here. This system could save more than 30% of primary energy compared to biomass-fuelled boilers.

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Section: Comparison Gehp/ehp: Heating Modementioning

confidence: 99%

Section: Comparison Gehp/ehp: Cooling Modementioning

confidence: 99%

Gas Engine-Driven Heat Pumps for Small-Scale Applications: State-of-the-Art and Future Perspectives

2021

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State-wide comparative analysis of the cost saving potential of Vuilleumier heat pumps in residential houses

et al. 2020

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Review of Gas Engine Heat Pumps

Pawela

Jaszczur

2022

Energies

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In this paper the most promising developments of technology for gas engine-driven heat pumps for the last 15 years are presented. The purpose is to present the latest research studies and changes in this type of device, as well as to help readers to search for publications containing relevant aspects of gas engine heat pumps. Gas engine-driven heat pumps are devices for parallel heating and cooling production based on compressor heat pump technology. However, unlike heat pumps with compressors powered by electric motors, gas engine-driven heat pumps are driven by gas internal combustion engines. The reviewed solutions are an interesting alternative to traditional heating systems, characterized by the higher than 1.0 Performance Energy Ratio which expresses the degree of conversion of the energy contained in the fuel supplied to the device into energy transported to the utility needs. Presented in this review, papers show different solutions for conversion of the energy contained in the fuel into mechanical and thermal energy, and mechanical energy through the shaft system is used to drive the compressor of the heat pump. The presented study shows that, due to the complexity of the system and the wide range of applications, the technology has been subjected to detailed analyses and optimizations during the last 30 years in order to increase the efficiency of devices.

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Gas engine heat pump system: Experimental facility and thermal evaluation for 5 different units

Abstract: Està subjecte a una llicència de Reconeixement-NoComercial-SenseObraDerivada 4.0 de Creative Commons

Cited by 3 publications

References 41 publications

Gas Engine-Driven Heat Pumps for Small-Scale Applications: State-of-the-Art and Future Perspectives

Gas Engine-Driven Heat Pumps for Small-Scale Applications: State-of-the-Art and Future Perspectives

State-wide comparative analysis of the cost saving potential of Vuilleumier heat pumps in residential houses

Review of Gas Engine Heat Pumps

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