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Performance analysis of solar still with cow dung cakes and blue metal stones

Hitesh N. PANCHAL

Frontiers in Energy 2015, Volume 9, Issue 2, Pages 180-186 doi: 10.1007/s11708-015-0361-y

Abstract: The aims of this paper is to investigate the effects of various materials inside the solar still on theTo investigate their effect, three identical solar stills with an effective area of 1 m square made fromThe first and second solar stills were filled with blue metal, stones and cow dung cakes, while the thirdstill and reference solar still.still.

Keywords： blue metal stones cow dung cakes distillate output solar still solar intensity

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Enhancement of distillate output of double basin solar still with vacuum tubes

Hitesh N PANCHAL, P K SHAH

Frontiers in Energy 2014, Volume 8, Issue 1, Pages 101-109 doi: 10.1007/s11708-014-0299-5

Abstract: condensation is lost to the atmosphere; hence it is not utilized to increase distillate output of single basin solarThe performance of the double basin solar still was also increased by attaching vacuum tubes to the lowerThis paper proposed a novel approach to increase the distillate output of the double basin solar stillThe integration of vacuum tubes with solar still greatly increases the distillate output of the solarstill by providing hot water at the lower basin.

Keywords： double basin solar still calcium stones pebbles granite gravel distillate output

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Experimental study on performance of passive and active solar stills in Indian coastal climatic condition

R. LALITHA NARAYANA, V. RAMACHANDRA RAJU

Frontiers in Energy 2020, Volume 14, Issue 1, Pages 105-113 doi: 10.1007/s11708-018-0536-4

Abstract: A solar still with a 30° of fixed cover inclination, 1m of effective basin area, and a flat-plate collectorAn attempt was also made earlier in passive mode to optimize the water depth for the same solar stillIn the active solar still, with the optimum water depth, different flow rates of 0.5, 1 and 1.5 L/minstill.The enhanced yield of the active solar still is 57.55%, compared with that of the passive solar still

Keywords： distillation efficiency solar still heat transfer coefficient water depth optimum and mass flow rate

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Are public‒private partnerships still an answer for social infrastructure?

Frontiers of Engineering Management Pages 467-482 doi: 10.1007/s42524-023-0249-1

Abstract: This study aims to answer the question, “are PPPs still an answer for social infrastructure?”Results show that PPPs still have valuable application potential for delivering social infrastructure

Keywords： public‒private partnerships social infrastructure scientometric analysis systematic review

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Electric Racers Hit the Track, but still Catching Up

Mitch Leslie

Engineering 2023, Volume 24, Issue 5, Pages 10-12 doi: 10.1016/j.eng.2023.03.003

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Should medium-sized contractors still implement home-made information technologies on construction sites

Conrad BOTON, Éric ST-PIERRE, Gabriel LEFEBVRE

Frontiers of Engineering Management 2020, Volume 7, Issue 1, Pages 142-158 doi: 10.1007/s42524-019-0065-9

Abstract: Despite the increasing dissemination of the Building Information Modeling (BIM) approach, many firms are still

Keywords： small- and medium-sized enterprises mobile computing mobile cloud computing information technology for construction construction site ethnographic action research

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Despite Effective Ban, Ozone-Destroying Chemicals Still Up in the Air

Chris Palmer

Engineering Pages 7-9 doi: 10.1016/j.eng.2023.07.004

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COP26: Some progress, but nations still fiddling while world warms

Sean O´Neill

Engineering 2022, Volume 11, Issue 4, Pages 6-8 doi: 10.1016/j.eng.2022.02.004

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Impacts of solar multiple on the performance of direct steam generation solar power tower plant with

Yan LUO, Xiaoze DU, Lijun YANG, Chao XU, Muhammad AMJAD

Frontiers in Energy 2017, Volume 11, Issue 4, Pages 461-471 doi: 10.1007/s11708-017-0503-5

Abstract: Solar multiple (SM) and thermal storage capacity are two key design parameters for revealing the performanceof direct steam generation (DSG) solar power tower plant.Taking the dual-receiver DSG solar power tower plant with a given size of solar field equivalent electricityThe influence of the size of solar field equivalent electricity is studied as well.still remain unchanged.

Keywords： direct steam generation solar power tower solar multiple thermal energy storage capacity levelized cost

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Characteristics and application of road absorbing solar energy

Zhihua ZHOU, Shan HU, Xiaoyan ZHANG, Jian ZUO

Frontiers in Energy 2013, Volume 7, Issue 4, Pages 525-534 doi: 10.1007/s11708-013-0278-2

Abstract: A road-solar energy system was built in this study, and the heat transfer mechanism and effect of thesystem were analyzed according to the monitored solar radiant heat, the solar energy absorbed by roadThe results showed that the road surface temperature was mainly affected by solar radiation, but theThe temperature of the solar road surface was 3°C–6°C lower than that of the ordinary road surface.The average solar collector efficiency of the system was 14.4%, and the average solar absorptivity of

Keywords： solar energy road-solar energy system road surface temperature solar absorptivity of road surface solar

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Effect of non-uniform illumination on performance of solar thermoelectric generators

Ershuai YIN, Qiang LI, Yimin XUAN

Frontiers in Energy 2018, Volume 12, Issue 2, Pages 239-248 doi: 10.1007/s11708-018-0533-7

Abstract: Solar thermoelectric generators (STEGs) are heat engines which can generate electricity from concentratedIn this paper, a three-dimensional finite element model of solar thermoelectric generators is establishedSix non-uniformities of solar illumination are investigated while keeping the total energy constant.The result shows that the non-uniformity of the solar illumination has a great effect on the temperatureReducing the number of the thermoelectric legs for non-uniform solar illumination can greatly increase

Keywords： solar thermoelectric generators non-uniform solar illumination performance evaluation solar energy

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A review of bifacial solar photovoltaic applications

Frontiers in Energy Pages 704-726 doi: 10.1007/s11708-023-0903-7

Abstract: are a promising alternative to conventional monofacial photovoltaics given their ability to exploit solarThe BPV industry is still emerging, and there is much work to be done until it is a fully mature technology

Keywords： bifacial photovoltaics (BPVs) bifacial photovoltaics applications review solar

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Economic Analysis of Residential Distributed Solar Photovoltaic

Xi Luo,Jia-ping Liu

Frontiers of Engineering Management 2015, Volume 2, Issue 2, Pages 125-130 doi: 10.15302/J-FEM-2015031

Abstract: huge challenges of global energy conservation, emission reduction and energy security, distributed solarrate and loan fraction are used as influence factors to analyze the economic benefits of distributed solarThe result demonstrates that government incentives help to increase the profitability of distributed solar

Keywords： distributed solar photovoltaic internal rate of return price ladder government incentives

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Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough

Honglun YANG, Qiliang WANG, Jingyu CAO, Gang PEI, Jing LI

Frontiers in Energy 2020, Volume 14, Issue 4, Pages 867-881 doi: 10.1007/s11708-020-0707-y

Abstract: comprehensive thermodynamic and economic model to predict and compare the performance of concentrated solarFurthermore, the sensitivity analysis of the receiver heat loss, solar absorption, and freeze protectionSolar absorption has a positive contribution to annual electricity productions, whereas heat loss and

Keywords： concentrated solar power parabolic trough receiver heat loss solar energy annual performance

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Numerical and experimental research of the characteristics of concentration solar cells

Zilong WANG, Hua ZHANG, Binlin DOU, Weidong WU, Guanhua ZHANG

Frontiers in Energy 2021, Volume 15, Issue 2, Pages 279-291 doi: 10.1007/s11708-019-0637-8

Abstract: The development of automatic tracking solar concentrator photovoltaic systems is currently attractingHigh concentration photovoltaic systems (HCPVs) combining triple-junction InGaP/lnGaAs/Ge solar cellsThe GaInP/GalnAs/Ge triple-junction solar cell, produced by AZUR SPACE Solar Power, was also used inThe solar cells produced by Shanghai Solar Youth Energy (SY) and Shenzhen Yinshengsheng Technology CoWith increasing solar cell temperature, increases, while and decrease.

Keywords： concentration three-junction solar cell mathematical model electrical properties solar energy