Potential energy saving in urban and rural households of Mexico by use of solar water heaters, using geographical information system

Rosas-Flores, Jorge Alberto; Rosas-Flores, Dionicio; Zayas, José Luís Fernández

doi:10.1016/j.rser.2015.07.202

Cited by 50 publications

(25 citation statements)

References 19 publications

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“…Mexico (urban residential areas) 45.6% 29,088 GWh/year Water heating [76] Assesses the potential for solar water heating. Determines the slope with best qualification by housing according to orientation and inclination, compares feasible joint production universe of study to typical demands.…”

Section: Renewable Energy In the Citiesmentioning

confidence: 99%

“…Although there is a national market for solar heaters, and it could be an economical alternative when compared with the use of liquefied petroleum gas or natural gas, the lack of incentives prevents this option from expanding [76]. On the contrary, in the cities of Haining, Huzhou and Ningbo (China), where solar water heaters are fabricated, more than 90% of inhabitants use this equipment.…”

Section: Solar Thermalmentioning

confidence: 99%

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The Role of Renewable Energy in the Promotion of Circular Urban Metabolism

2017

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Cities are human creations requiring large amounts of materials and energy. Constant consumption of resources exerts pressure on the environment not only due to its exploitation, but also because once processed, the resources produce waste, emissions or effluents. Cities are responsible for more than three quarters of the emissions of greenhouse gases. It is anticipated that the urban population will increase by up to 80% by the mid-21st century, which will make the current energy model unsustainable, as it is based on the intensive use of fossil resources. A change in urban planning is required to meet the energy requirements of cities. Several studies mention that renewable energy must be used in cities, but they do not identify the resources and technologies that can be used to promote circular urban metabolism. A review of the literature establishes that there are eleven renewable technologies with different degrees of maturity that could reduce the import of energy resources, which would contribute to changing the metabolic linear model into a circular model. However, the applicability of the different possibilities is conditional upon the availability of resources, costs, policies and community acceptance.

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Section: Renewable Energy In the Citiesmentioning

confidence: 99%

Section: Solar Thermalmentioning

confidence: 99%

The Role of Renewable Energy in the Promotion of Circular Urban Metabolism

2017

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“…For domestic purposes, the solar water heater is used only for bathing purposes, whereas, in industries, parabolic and concentrating collectors were used to produce electricity. Flat plate collectors use serpentine or straight tubes and usually made of copper or aluminum materials …”

Section: Introductionmentioning

confidence: 99%

Performance analysis of spiral and serpentine tube solar collector with carbon nanotube nanofluids under natural flow method

Kabeel

El‐Agouz

Prakash

et al. 2019

Heat Trans. Asian Res.

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This study communicates the performance analysis of spiral and serpentine tube solar collector with carbon nanotube nanofluids under natural flow method. Experiments were carried out at three different mass flow rates namely 3, 5, and 7 kg/hour while the concentration of nanoparticles was varied from 0.05% and 0.1%, respectively. Experiments were carried out under the same condition of ambient parameters for validation. Results show that the maximum exit water temperature was found to be about 75°C with a maximum concentration of 0.1% under a minimum flow rate of 3 kg/hour during the peak intensity. Similarly, the improvement in temperature of the water is found to be 6% under peak intensity and decreased to about 4.3% and 4.2% for the flow rates of 5 and 7 kg/hour, respectively

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“…Regarding the geographical focus, studies currently often concentrate on energy efficiency potentials in emerging or developing countries (e.g. [7], [8], [9], [10]), especially in Asia, as many of these countries are expected to experience comparatively strong increases in energy consumption due to economic and population growth. With respect to sectors and technologies, the focus is mostly laid on those which consume most energy, i.e.…”

Section: Introductionmentioning

confidence: 99%

The potential for energy efficiency in the EU Member States – A comparison of studies

Knoop

Lechtenböhmer

2017

Renewable and Sustainable Energy Reviews

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In October 2014, the European Council agreed on a target of improving overall energy efficiency by at least 27 per cent by 2030. According to the European Council's conclusions, this target should not be translated into nationally binding targets. Nevertheless individual Member States are free to set higher national objectives if desired. However, it is difficult to assess the degree of ambition of a national target because so far not much light has been shed upon the exact size of the untapped efficiency potentials. This paper provides an in-depth analysis and comparison of existing studies on energy efficiency potentials in the European Union's (EU) Member States by 2030. It includes a structured overview of the results, information on the quality of the available data and suggestions for improvement. The review shows that comprehensive studies on national energy efficiency potentials are rare and hardly comparable. The existing studies agree on the existence of significant potentials for energy efficiency. Their outcomes, however, vary significantly in terms of national levels. Assuming low policy intensity, energy savings between 10 and 28 per cent could be realised by 2030 compared to a baseline development, in the case of high policy intensity 7 to 44 per cent. Technical energy efficiency potentials in the different EU Member States are estimated at 14 to 52 per cent. On average, energy savings of 27 per cent by 2030 appear to be feasible with significant policy effort. We conclude that the deviation in Member States' energy efficiency potentials resulting from different studies represents an indication of the so far poor quality of underlying data. In order to allow for a concretisation of efficiency potential estimates, the comparability and detail of information sources should be improved.

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Potential energy saving in urban and rural households of Mexico by use of solar water heaters, using geographical information system

Cited by 50 publications

References 19 publications

The Role of Renewable Energy in the Promotion of Circular Urban Metabolism

The Role of Renewable Energy in the Promotion of Circular Urban Metabolism

Performance analysis of spiral and serpentine tube solar collector with carbon nanotube nanofluids under natural flow method

The potential for energy efficiency in the EU Member States – A comparison of studies

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