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A new approach for predicting cooling degree-hours and energy requirements in buildings

Oktay, Z.; Coskun, C.; Dincer, I. - In: Energy 36 (2011) 8, pp. 4855-4863

and minimum temperatures. A case study is performed to calculate the cooling degree-hours for 58 cities in different … other advantage of this approach is that it allows the prediction of monthly cooling degree-hours for buildings. …

Persistent link: https://www.econbiz.de/10010811526

Optimal size and layout planning for district heating and cooling networks with distributed generation options

Chinese, Damiana - In: International Journal of Energy Sector Management 2 (2008) 3, pp. 385-419

Purpose – The objective of this study is to highlight the questions arising in the design of district heating and … cooling systems (DHCSs) in a distributed generation context and to present a model to help find cost‐effective solutions … decentralized DHCSs design is developed and applied to two real case studies. Findings – Distributed cooling generation partly …

Persistent link: https://www.econbiz.de/10014773435

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

Optimization of operating parameters of ground source heat pump system for space heating and cooling by Taguchi method and utility concept

Sivasakthivel, T.; Murugesan, K.; Thomas, H.R. - In: Applied Energy 116 (2014) C, pp. 76-85

system. However, the COP of a GSHP system will be different for heating and cooling mode operations. Hence in order to reduce … will operate on both heating and cooling modes. Condenser inlet temperature, condenser outlet temperature, dryness fraction …. Optimization of these parameters for only heating or only cooling mode operation is achieved by employing Taguchi method for three …

Persistent link: https://www.econbiz.de/10010737711

Dynamic modelling and simulation of a new air conditioning prototype by solar energy

Ali, Chaouki; Bacha, Habib Ben; Baccar, Mounir; Maalej, … - In: Renewable Energy 32 (2007) 2, pp. 200-215

This work presents a new design of an air conditioning prototype by solar energy developed at the Laboratory of Electromechanical Systems of the National Engineering School of Sfax, Tunisia. The new conception permits to produce heat or cold by using solar energy without polluting the...

Persistent link: https://www.econbiz.de/10010803868

Solar and geothermal heating and cooling of the European Centre for Public Law building in Greece

Karagiorgas, Michaelis; Mendrinos, Dimitrios; Karytsas, … - In: Renewable Energy 29 (2004) 4, pp. 461-470

the building hostel by solar water heaters. Monitoring of the energy system during heating showed excellent energy …

Persistent link: https://www.econbiz.de/10010804399

Energy and buildings in Mediterranean countries: Present and future

Butera, Federico M. - In: Renewable Energy 5 (1994) 5, pp. 942-949

themselves for a more concerned energy use. Present situation and trens in heating and cooling are discussed, as well as the use …

Persistent link: https://www.econbiz.de/10010805491

A new concept in gas-fired heat pump reversed rectification heat pump

Labidi, J.; Paris, J.; Le Goff, P. - In: Renewable Energy 5 (1994) 5, pp. 1235-1239

The reversed rectification heat pump (RRHP) is a novel type of absorption heat pump developed at Laboratoire des sciences du génie chimique (LSGC) in the research group of Professor Le Goff. The distinctive characteristic of the RRHP is that both the separator and the absorber are multi-stage...

Persistent link: https://www.econbiz.de/10010806124

Experimental investigation of a multi-function heat pump under various operating modes

Cho, Changyong; Min Choi, Jong - In: Renewable Energy 54 (2013) C, pp. 253-258

functions of heating, cooling, and hot water supply was designed and its performance was investigated according to operating … modes. In the cooling-hot water mode, the capacity and COP were enhanced as compared to other modes because the waste heat … from the outdoor heat exchanger was utilized as useful heat in the indoor heat exchanger. In the heating and hot water …

Persistent link: https://www.econbiz.de/10010806274

Energy code for office buildings in Israel

Shaviv, E.; Yezioro, A.; Capeluto, I.G. - In: Renewable Energy 33 (2008) 1, pp. 99-104

A new Energy code for office buildings in Israel, currently under development, is presented. This code is based on a prescriptive approach, which can be easily applied as a tool for the design of office buildings through all the design stages including the early ones. The prescriptive approach...

Persistent link: https://www.econbiz.de/10010806556