Parametric analysis of solar energy conversion system using parabolic concentrator and thermopile
14 Oct 2020-International journal of ambient energy (Taylor & Francis)-Vol. 41, Iss: 12, pp 1409-1414
TL;DR: In this article, the design of an energy conversion system operating on solar radiation harvesting and converting it into electricity with the help of thermopiles is presented, where the major major...
Abstract: The present work aims at improving the design of an energy conversion system operating on solar radiation harvesting and converting it into electricity with the help of thermopiles. Here, the major...
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TL;DR: The modifications by which a distillation system becomes an active one and gives its ultimate performance in terms of yield and system efficiency at economical distillate cost are covered.
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TL;DR: In this article, solar energy can be employed independently or with fossil fuels to reduce CO2 emission and the Levelized levelized levelization (Levelized Levelized Levelization) problem.
Abstract: Nowadays, solar energy is attempted being utilised extensively to generate electrical power. Solar energy can be employed independently or with fossil fuels to reduce CO2 emission and the Levelized...
16 citations
TL;DR: In this paper, the authors presented the classification of the solar stills from the perspective of the basic thermal processes involved and the associated enhancement techniques pursued for each of these processes, which will enable a pathway for the future researchers to focus on developing solutions from a perspective of reducing the largest thermal resistances.
Abstract: With a growing population, lack of balance between water demand and traditional freshwater supply has become a critical issue. A solar still is a simple, impactful device for producing freshwater from alternative water sources such as brackish water, wastewater, and brine by sole or partial consumption of solar energy. Solar stills are highly suited for the water-stressed regions with limited access to electricity but abundant solar energy, or places with no sustainable and affordable options for clean water. Owing to these advantages, fundamental and applied research related to solar stills has been of interest to the water industry. The main shortcoming of solar stills is the low freshwater productivity, and thus the research focus in the field has been to improve their productivity. Existing review articles on solar stills presented their classification based mostly on the structural designs and add-ons for boosting the freshwater production rate. However, a solar still is fundamentally a system involving thermal processes. Therefore, this overview, for the first time, presents the classification of the solar stills from the perspective of the basic thermal processes involved and the associated enhancement techniques pursued for each of these processes. The advantage of this review is that it will enable to systematically understand the role and impact of each thermal process on the freshwater production rate, thereby enabling a pathway for the future researchers to focus on developing solutions from a perspective of reducing the largest thermal resistances. In addition, the present paper reviewed the recent developments in interfacial-evaporation-based enhancements for solar stills, which was not covered in the existing reviews.
13 citations
TL;DR: In this article, the basic and advanced aspects of adsorption refrigeration cycle and its hybrid arrangements with pre-existing system are presented and detailed review about the past and present state of art research in this field.
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TL;DR: Based on the overall performances and influencive parameters, a discussion and focused concluding remarks has been framed that suitably justifies the development towards this technology.
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References
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01 Jan 1980
TL;DR: In this article, the authors present an active and passive building heating system for solar thermal power systems, where the active system is designed by f--chart and the passive one by Utilizability Methods.
Abstract: FUNDAMENTALS. Solar Radiation. Available Solar Radiation. Selected Heat Transfer Topics. Radiation Characteristics of Opaque Materials. Radiation Transmission Through Glazing: Absorbed Radiation. Flat--Plate Collectors. Concentrating Collectors. Energy Storage. Solar Process Loads. System Thermal Calculations. Solar Process Economics. APPLICATIONS. Solar Water Heating----Active and Passive. Building Heating----Active. Building Heating: Passive and Hybrid Methods. Cooling. Industrial Process Heat. Solar Thermal Power Systems. Solar Ponds: Evaporative Processes. THERMAL DESIGN METHODS. Simulations in Solar Process Design. Design of Active Systems by f--Chart. Design of Active Systems by Utilizability Methods. Design of Passive and Hybrid Heating Systems. Design of Photovoltaic Systems. Appendices. Author Index. Subject Index.
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1,357 citations
TL;DR: In this paper, basic knowledge of the thermoelectric devices and an overview of these applications are given, and the prospects of the applications of the thermal devices are also discussed.
1,259 citations
01 Jul 2002
TL;DR: In this article, the authors describe the concentrating solar power (CSP) systems using solar absorbers to convert concentrated sunlight to thermal electric power, and achieve solar absorber surfaces for efficient photothermal conversion having high solar absorptance (a) for solar radiation and low thermal emittance (e) at the operational temperature.
Abstract: This report describes the concentrating solar power (CSP) systems using solar absorbers to convert concentrated sunlight to thermal electric power. It is possible to achieve solar absorber surfaces for efficient photothermal conversion having high solar absorptance (a) for solar radiation and a low thermal emittance (e) at the operational temperature. A low reflectance (?'' 0) at wavelengths (?) 3 mm and a high reflectance (?'' 1) at l 3 mm characterize spectrally selective surfaces. The operational temperature ranges of these materials for solar applications can be categorized as low temperature (T 400 C). High- and mid-temperature applications are needed for CSP applications. For CSP applications, the ideal spectrally selective surface would be low-cost and easy to manufacture, chemically and thermally stable in air at elevated operating temperatures (T= 500 C), and have a solar absorptance= 0.98 and a thermal emittance= 0.05 at 500 C.
571 citations