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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: solar stills.The 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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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 fromone was taken as a reference which consisted of only blue paint at the basin.still and reference solar still.still.

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

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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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Analysis of the double-layer α-Si:H emitter with different doping concentrations for α-Si:H/c-Si heterojunctionsolar cells

Haibin HUANG,Gangyu TIAN,Tao WANG,Chao GAO,Jiren YUAN,Zhihao YUE,Lang ZHOU

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 92-95 doi: 10.1007/s11708-016-0432-8

Abstract: Double-layer emitters with different doping concentrations (DLE) have been designed and prepared foramorphous silicon/crystalline silicon (α-Si:H/c-Si) heterojunction solar cells.and the simulation (AFORS-HET, http://www.paper.edu.cn/html/releasepaper/2014/04/282/) prove that the double-layer

Keywords： double-layer emitter     α-Si:H/c-Si heterojunction solar cell     short circuit current     quantum efficiency     current-voltage-temperature    

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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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Problems of Syrdarya river basin management

Serdar EYEBERENOV, Baijing CAO, Fengting LI

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 221-225 doi: 10.1007/s11783-009-0015-6

Abstract: In this study, the case of Syrdarya basin was investigated to show how such strategies create tension

Keywords： Central Asia     energy     agriculture     water     Syrdarya basin    

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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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Integrated river basin management in rapidly urbanizing areas: a case of Shenzhen, China

Lei LIU, Xiaoming MA

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 243-254 doi: 10.1007/s11783-010-0276-0

Abstract: This paper analyzes effective methods to integrated river basin management (IRBM) using Longgang Riverbasin of Shenzhen as an example, which is the city with the fastest rate of urbanization in China andHowever, the construction of the water infrastructure is still lagging far behind the environmental andCurrently, every water quality indicator of the Longgang River basin was unable to meet the required

Keywords： integrated river basin management (IRBM) model     Longgang River basin     Shenzhen     decentralization     stakeholder    

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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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Multi-scale evaluation of river health in Liao River Basin, China

Fei XU, Yanwei ZHAO, Zhifeng YANG, Yuan ZHANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 227-235 doi: 10.1007/s11783-010-0219-9

Abstract: and ignored the complex interactions between the river ecosystem and other components of the river basinBased on the consideration of the interactions among rivers, associated river basin and habitats, andivided among these three scales to characterize the health of river ecosystems in China’s Liao River Basinsuch as large pollution loads and dense construction of water conservation projects within the river basin

Keywords： multi-scale characterization     river health evaluation     Liao River Basin     set pair analysis    

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Experimental measurement of double-K fracture parameters of concrete with small-size aggregates

ZHANG Xiufang, XU Shilang, ZHENG Shuang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 448-457 doi: 10.1007/s11709-007-0061-8

Abstract: The double- fracture model can well describe the development of cracks undergoing during the entire fracture

Keywords： development     concrete     theoretical     double- fracture    

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Numerical study of thermal characteristics of double skin facade system with middle shade

Shaoning LIU, Xiangfei KONG, Hua YANG, Minchao FAN, Xin ZHAN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 222-234 doi: 10.1007/s11708-017-0480-8

Abstract: A new shade combined with the double skin façade (DSF) system, called middle shade (MS), was introduced

Keywords： middle shade     position     thermal characteristics     double skin facade    

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enrichment mechanism and risk assessment for fluoride in groundwater: a case study of Mihe-Weihe River Basin

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1670-8

Abstract:

● High fluorine is mainly HCO3·Cl-Na and HCO3-Na type.

Keywords： Groundwater in the Mihe-Weihe River Basin     Distribution characteristics of fluorine     Factors influencing    

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Research on the ecological compensation standard of the basin pollution control project based on evolutionary

Dongbin HU, Huiwu LIU, Xiaohong CHEN, Yang CHEN

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 575-583 doi: 10.1007/s42524-019-0044-1

Abstract: As one of the main areas for implementing ecological compensation policies, basin ecological compensationhas become an important measure for encouraging basin pollution control projects and improving the qualitycompares the interest-related decision-making behaviors of the upstream and downstream stakeholders of basinBy using data on the water quality of Xiangjiang River Basin, this paper calculates the rewards and penalties

Keywords： evolutionary game     ecological compensation standard     Xiangjiang River Basin    

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Title Author Date Type Operation

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

Hitesh N PANCHAL, P K SHAH

Journal Article

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

Hitesh N. PANCHAL

Journal Article

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

R. LALITHA NARAYANA, V. RAMACHANDRA RAJU

Journal Article

Analysis of the double-layer α-Si:H emitter with different doping concentrations for α-Si:H/c-Si heterojunctionsolar cells

Haibin HUANG,Gangyu TIAN,Tao WANG,Chao GAO,Jiren YUAN,Zhihao YUE,Lang ZHOU

Journal Article

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

Journal Article

Electric Racers Hit the Track, but still Catching Up

Mitch Leslie

Journal Article

Problems of Syrdarya river basin management

Serdar EYEBERENOV, Baijing CAO, Fengting LI

Journal Article

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

Conrad BOTON, Éric ST-PIERRE, Gabriel LEFEBVRE

Journal Article

Integrated river basin management in rapidly urbanizing areas: a case of Shenzhen, China

Lei LIU, Xiaoming MA

Journal Article

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

Chris Palmer

Journal Article

Multi-scale evaluation of river health in Liao River Basin, China

Fei XU, Yanwei ZHAO, Zhifeng YANG, Yuan ZHANG

Journal Article

Experimental measurement of double-K fracture parameters of concrete with small-size aggregates

ZHANG Xiufang, XU Shilang, ZHENG Shuang

Journal Article

Numerical study of thermal characteristics of double skin facade system with middle shade

Shaoning LIU, Xiangfei KONG, Hua YANG, Minchao FAN, Xin ZHAN

Journal Article

enrichment mechanism and risk assessment for fluoride in groundwater: a case study of Mihe-Weihe River Basin

Journal Article

Research on the ecological compensation standard of the basin pollution control project based on evolutionary

Dongbin HU, Huiwu LIU, Xiaohong CHEN, Yang CHEN

Journal Article