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Younger vs. older homeowners in building energy-related renovations : learning from the Portuguese case

Abreu, Maria Isabel; Oliveira, Rui A. F. de; Lopes, Jorge - In: Energy reports 6 (2020) 1, pp. 159-164

There is still a little recognition in policies that homeowners cannot be assumed as one homogeneous group when it … comes to their decision for energy-saving renovation. The interest in energy efficiency varies among these homeowners … a structured observation method were used. The younger Portuguese homeowners seem to be more environmentally conscious …

Persistent link: https://www.econbiz.de/10012176624

Energy efficiency of lighting installations : Software application and experimental validation

Lobão, J. A.; Devezas, Tessaleno C.; Catalão, J. P. S. - In: Energy reports 1 (2015), pp. 110-115

The rational use of energy and energy-efficient environmental public street lighting is an important topic. In the design of new public lighting installations, national regulations containing energy-efficient guidelines are already used. Nevertheless, either in new installations or in...

Persistent link: https://www.econbiz.de/10011862945

Analyzing the energy balances of double-cropped cereals in an arid region

Zahedi, Mortaza; Mondani, Farzad; Eshghizadeh, Hamid Reza - In: Energy reports 1 (2015), pp. 43-49

Efficient use of energy in agroecosystems will reduce environmental problems, prevent destruction of natural resources and serve to promote sustainable agriculture as an economical production system. The aim of this study was to investigate the energy use efficiency in four double cropping...

Persistent link: https://www.econbiz.de/10011863206

The flame dilemma : a data analytics study of fireplace influence on winter energy consumption at the residential household level

Elnakat, Afamia; Gomez, Juan D. - In: Energy reports 2 (2016), pp. 14-20

This study investigates the effect of the presence of fireplaces at the household level independent of the function of ambiance and indoor air quality. The focus of this study is on the winter heating energy use of homes with and without fireplaces to promote energy conservation. Three years of...

Persistent link: https://www.econbiz.de/10011863446

New approaches for improving energy efficiency in the Brazilian industry

De Mello Santana, Paulo Henrique; Bajay, Sergio Valdir - In: Energy reports 2 (2016), pp. 62-66

The Brazilian government has been promoting energy efficiency measures for industry since the eighties but with very limited returns, as shown in this paper. The governments of some other countries dedicated much more effort and funds for this area and reached excellent results. The...

Persistent link: https://www.econbiz.de/10011863476

Customer baseline load models for residential sector in a smart-grid environment

Sharifi, R.; Fathi, S. H.; Vahidinasab, V. - In: Energy reports 2 (2016), pp. 74-81

Demand response (DR) can expand the customer participation in the electricity market and lead by changing its pattern from a simple function to an interactive relation. There are various methods to evaluate the successful implementation of DR program, the most important of which is determination...

Persistent link: https://www.econbiz.de/10011863484

Comparative economic assessment of the energy performance of air-conditioning within the Mexican residential sector

Oropeza-Perez, Ivan - In: Energy reports 2 (2016), pp. 147-154

This work shows a sensitivity analysis of the economic impact of different energy performances of air-conditioning within the Mexican housing sector. For this purpose, a cooling-load calculator program in function of the indoor temperature is developed. The program also calculates the...

Persistent link: https://www.econbiz.de/10011863575

Assessment on the energy flow and carbon emissions of integrated steelmaking plants

He, Huachun; Guan, Hongjun; Zhu, Xiang; Lee, Haiyu - In: Energy reports 3 (2017), pp. 29-36

China's iron and steel industry has developed rapidly over the past two decades. The annual crude steel production is nearly half of the global production, and approximately 90% of the steel is produced via BF-BOF route that is energy-intensive. Based on the practice of integrated steelmaking...

Persistent link: https://www.econbiz.de/10011863992

Evaluation of energy savings potential of variable refrigerant flow (VRF) from variable air volume (VAV) in the U.S. climate locations

Kim, Dongsu; Cox, Sam J.; Cho, Heejin; Im, Piljae - In: Energy reports 3 (2017), pp. 85-93

Variable refrigerant flow (VRF) systems are known for their high energy performance and thus can improve energy efficiency both in residential and commercial buildings. The energy savings potential of this system has been demonstrated in several studies by comparing the system performance with...

Persistent link: https://www.econbiz.de/10011863994

Energy and cost savings potential of oscillating heat pipes for waste heat recovery ventilation

Mahajan, Govinda; Thompson, Scott M.; Cho, Heejin - In: Energy reports 3 (2017), pp. 46-53

The feasibility of using finned oscillating heat pipes (OHPs) for heat exchange between counter-flowing air streams in HVAC air systems (i.e., outdoor and exhaust air flows), along with the associated cost savings in typical North American climates, is investigated. For a prescribed temperature...

Persistent link: https://www.econbiz.de/10011863995