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Heating performance investigation of a bidirectional partition fluid thermal diode

Fang, Xiande; Xia, Lulu - In: Renewable Energy 35 (2010) 3, pp. 679-684

to serve both passive solar heating in winter and passive cooling in summer. BPFTD heating performances are tested with … the BPFTD with the water-wall. The test results show that the BPFTD has much better heating performances than the water …

Persistent link: https://www.econbiz.de/10010806891

Dynamic temperature dependence patterns in future energy demand models in the context of climate change

Hekkenberg, M.; Moll, H.C.; Uiterkamp, A.J.M. Schoot - In: Energy 34 (2009) 11, pp. 1797-1806

Energy demand depends on outdoor temperature in a ‘u’ shaped fashion. Various studies have used this temperature dependence to investigate the effects of climate change on energy demand. Such studies contain implicit or explicit assumptions to describe expected socio-economic changes that...

Persistent link: https://www.econbiz.de/10010808704

Development of a software package for community energy system assessment – Part I: Building a load estimator

Chung, Mo; Park, Hwa-Choon - In: Energy 35 (2010) 7, pp. 2767-2776

demands for electricity, heating, cooling, and hot water for the mix of building types for 8760h of a year. The calculation is …

Persistent link: https://www.econbiz.de/10010811292

Corrosion of metal and metal alloy containers in contact with phase change materials (PCM) for potential heating and cooling applications

Moreno, Pere; Miró, Laia; Solé, Aran; Barreneche, Camila - In: Applied Energy 125 (2014) C, pp. 238-245

four of them commercial PCM, are tested. Since they are PCM to be used for heating and cooling applications they are … coupled to a heating, ventilation, and air-conditioning (HVAC) system such as heat pump. In these systems the PCM is embedded …

Persistent link: https://www.econbiz.de/10011040467

Temperature distributions in boreholes of a vertical ground-coupled heat pump system

Esen, Hikmet; Inalli, Mustafa; Esen, Yuksel - In: Renewable Energy 34 (2009) 12, pp. 2672-2679

results were obtained in cooling and heating seasons of 2006–2007. A two-dimensional finite element model (FEM) was developed … to simulate temperature distribution development in the soil surrounding the GHEs of GCHPs operating in the cooling and … the heating modes. The finite element modelling of the GCHP system was performed using the ANSYS code. The FEM …

Persistent link: https://www.econbiz.de/10011044785

Performance assessment of a novel system using parabolic trough solar collectors for combined cooling, heating, and power production

Al-Sulaiman, Fahad A.; Hamdullahpur, Feridun; Dincer, … - In: Renewable Energy 48 (2012) C, pp. 161-172

Rankine cycle for combined cooling, heating and power (CCHP) is presented. In this system, a portion of the waste heat is used … for heating through a heat exchanger and the other portion is used for cooling through a single-effect absorption chiller … further cases are considered: electrical power, cooling-cogeneration, and heating-cogeneration. This system is designed to …

Persistent link: https://www.econbiz.de/10011044821

An experimental and numerical investigation of Shovadan heating and cooling operation

Moradi, H.; Eskandari, H. - In: Renewable Energy 48 (2012) C, pp. 364-368

Shovadan is the underground room which, for a long time, has been used in several areas of Iran for heating and cooling … purposes. In the present work, Shovadan heating and cooling performance is experimentally investigated during a year. In the …

Persistent link: https://www.econbiz.de/10011045658

Heat pumps and renewable energies

Gillet, A.C. - In: Renewable Energy 5 (1994) 1, pp. 430-435

On the basis of their thermodynamic properties and their historical development, some “Strength-Ideas” proposed which lead to the conclusion that, properly designed, heat pumps have a good future and will contribute to lessen the global CO2 emission burden.

Persistent link: https://www.econbiz.de/10011046008

Personalized conditioning and its impact on thermal comfort and energy performance – A review

Veselý, Michal; Zeiler, Wim - In: Renewable and Sustainable Energy Reviews 34 (2014) C, pp. 401-408

increased cooling setpoint, a decreased heating setpoint, or a decreased ventilation rate of the background system. Energy …

Persistent link: https://www.econbiz.de/10011049300

Minimal heating and cooling in a modern rose greenhouse

Van Beveren, P.J.M.; Bontsema, J.; Van Straten, G.; Van … - In: Applied Energy 137 (2015) C, pp. 97-109

In a modern greenhouse there are a number of alternative systems that can be deployed to control the climate, and the choice what to use and when is not easy for the grower. A novel management system is proposed, consisting of an energy input minimizing module, and a module to realise the...

Persistent link: https://www.econbiz.de/10011116130