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Potential and performance estimation of free-standing and building integrated photovoltaic technologies for different climatic zones of India

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能源与人工环境(英文) 2022年第1期3卷 40-55页

作者： Digvijay Singh ajay Kumar gautam Rubina Chaudhary School of Energy and Environmental Studies Devi Ahilya UniversityIndore 452001India

The role of Photovoltaic technologies integrated or attached to the building envelope is crucial in managing the building energy *** this paper,the performance of PV technologies with the mounting methods of Build-ing integrated and Free-standing(Building attached)is discussed for six different climate zone of the country.A PVGIS program proposed with three PV cell technologies(Crystalline Silicon,Copper indium diselenide,Cad-mium Telluride)is used to evaluate monthly energy generation potential and losses of the 2 kW p grid-connected PV system at the latitude and 90°.A 2 kW p PV system is chosen for Economic Weaker Section(EWS)housing schemes depending upon the roof *** the evaluation,the performance parameter has been estimated.A new parameter Energy Deviation(ED),is proposed to choose the best PV technology in terms of *** results of ED agree with the parameters Performance Ratio(PR)and Capacity Factor(CF)defined under the IEC Standard *** potential generation of PV technologies at 90°varies from 41%(Warm and Humid)to 64%(Cold and Sunny)when compared with the *** case of Cold and Sunny and Cold and Cloudy at 90°,the generation performance of Copper indium diselenide is found better in Building integrated and Free-standing mounting methods,*** the remaining zones,Cadmium Telluride technology shows better *** Percentage loss in the system is found to be minimum in the case of Cold and Sunny,varies between 17%and 25%,and maximum is found for Warm and Humid and varies between 23.2%and 33.4%for the proposed PV *** grid feed-in energy from these EWS houses for all the technologies and climatic zones is found above 45%.It is seen that the combined energy generation from the envelopes(Roof,walls,and facades)makes the houses energy plus in *** study has important implications for the government to promote the building integrated Photovoltaic policies in the country.

关键词： PV technologies Building Integrated Free-standing Energy Deviation Performance Ratio Capacity Factor

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Effect of using borax decahydrate as nanoparticles additive in blends of spirulina biodiesel/diesel on combustion characteristics and knock intensity

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Clean Energy 2024年第3期8卷 62-78页

作者： ajay Partap Singh Puneet Singh gautam Mechanical Engineering Department IIMT University Meerut250001 Uttar PradeshIndia

In this extensive investigation,the impact of borax decahydrate as a fuel additive in a diesel single-cylinder engine was rigorously *** decahydrate was introduced at concentrations of 5,15,25 and 35 g in 500 ml of biodiesel,forming five unique fuel mixtures with conventional diesel:90%diesel+10%spirulina biodiesel(SB10),SB10+1 g borax decahydrate(SB10B1),SB10+3 g borax decahydrate(SB10B3),SB10+5 g borax decahydrate(SB10B5)and SB10+7 g borax decahydrate(SB10B7).The investigation encompassed four diverse loading conditions and yielded insightful ***,at full load,SB10B3 exhibited a higher cylinder peak pressure than diesel,reaching 69.25 *** release rate profiles demonstrated superior efficiency for SB10 at 50%load,with a cumulative heat release rate of 950 J/°CA,which is lower than the 1050 J/°CA of *** intensity(KI)evaluations revealed that,although SB10 and SB10B1 exhibited higher KI than diesel at full load due to elevated peak pressure,SB10B7 showed no knocking across all loads,indicative of reduced in-cylinder *** meticulous numerical analysis emphasizes the potential of borax decahydrate as a catalyst and enhancer,providing valuable insights into the combustion dynamics of these alternative fuel blends and their viability for sustainable and efficient engine *** summary,out of all the blends,SB10B3 could be a potential diesel fuel replacement fuel for compression-ignition engines.

关键词： spirulina biodiesel borax decahydrate diesel engine combustion knock intensity HRR in-cylinder pressure

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Model Predictive Control of Linear Time-Varying Systems with Bounded Disturbances Using a Dynamic Terminal Policy

Model Predictive Control of Linear Time-Varying Systems with...

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Joint 48th IEEE Conference on Decision and Control and 28th Chinese Control Conference

作者： ajay gautam Yun-Chung Chu Yeng Chai Soh School of Electrical and Electronic Engineering Nanyang Technological University

This paper presents a computationally efficient model predictive control algorithm applicable for linear time varying systems with bounded *** proposed algorithm is based on the use of an optimized dynamic terminal control law that makes a good control performance possible with an online optimization over relatively smaller horizon *** particular,the use of a dynamic terminal policy allows the optimization of the terminal disturbance invariant feasible set offline so that an upper bound of the terminal cost along with the finite horizon cost can be minimized online with reduced *** results show that the proposed control scheme ensures a good performance with significantly reduced online computational complexity as compared to other schemes that use a static feedback control as the terminal control law.

关键词： Model predictive control robust control LTV systems bounded additive disturbances

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One stop shop IV: taxonomic update with molecular phylogeny for important phytopathogenic genera: 76-100 (2020)

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Fungal Diversity 2020年第4期103卷 87-218页

作者： Ruvishika S.Jayawardena Kevin D.Hyde Yi Jyun Chen Viktor Papp Balázs Palla Dávid Papp Chitrabhanu S.Bhunjun Vedprakash G.Hurdeal Chanokned Senwanna Ishara S.Manawasinghe Dulanjalee L.Harischandra ajay Kumar gautam Shubhi Avasthi Boontiya Chuankid Ishani D.Goonasekara Sinang Hongsanan XiangYu Zeng Kapila K.Liyanage NingGuo Liu Anuruddha Karunarathna Kalani K.Hapuarachchi Thatsanee Luangharn Olivier Raspé Rashika Brahmanage Mingkwan Doilom Hyang B.Lee Liu Mei Rajesh Jeewon Naruemon Huanraluek Napalai Chaiwan Marc Stadler Yong Wang Department of Plant Pathology Agriculture CollegeGuizhou UniversityGuiyang 550025GuizhouChina Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang RaiThailand Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201People’s Republic of China Department of Botany Szent István UniversityVillányiút 29-43Budapest 1118Hungary Plant Pathology and Plant-Microbe Biology Section Cornell UniversityGenevaNY 614456USA Department of Pomology Szent István UniversityVillányiút 29-43Budapest 1118Hungary School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityNo.9 of ShuguanghuayuanzhongluChiang Mai 50200Thailand Institute of Plant and Environment Protection Beijing Academy of Agriculture and Forestry SciencesHaidian DistrictHaidian DistrictBeijing 100097People’s Republic of China School of Agriculture Abhilashi UniversityMandiHimachal Pradesh 175028India School of Studies in Botany Jiwaji UniversityGwalior 474011India Guangdong Provincial Key Laboratory for Plant Epigenetics College of Life Sciences and OceanographyShenzhen UniversityShenzhen 518055PR China Environmental Microbiology Lab Dept.of Agricultural Biological ChemistryCollege of Agriculture and Life SciencesChonnam National UniversityGwangju 61186Korea Department of Health Sciences Faculty of ScienceUniversity of MauritiusReduitMauritius Department of Microbial Drugs Helmholtz Centre for Infection ResearchInhoffenstraße 738124 BraunschweigGermany Honghe Innovation Center for Mountain Futures Kunming Institute of BotanyHonghe CountyYunnan 654400People’s Republic of China World Agroforestry Centre East and Central AsiaKunming 650201YunnanPeople’s Republic of China Institute of Plant Health Zhongkai University of Agriculture and EngineeringGuangzhou 510225China Faculty of Agriculture Natural Resources and EnvironmentNaresuan Uni

This is a continuation of a series focused on providing a stable platform for the taxonomy of phytopathogenic fungi and fungus-like *** paper focuses on one family:Erysiphaceae and 24 phytopathogenic genera:Armillaria,Barrio-psis,Cercospora,Cladosporium,Clinoconidium,Colletotrichum,Cylindrocladiella,Dothidotthia,,Fomitopsis,Ganoderma,Golovinomyces,Heterobasidium,Meliola,Mucor,Neoerysiphe,Nothophoma,Phellinus,Phytophthora,Pseudoseptoria,Pythium,Rhizopus,Stemphylium,Thyrostroma and *** genus is provided with a taxonomic background,distribution,hosts,disease symptoms,and updated backbone *** confirmed with pathogenicity studies are denoted when data are *** of the genera are updated from previous entries as many new species have been described.

关键词： Disease Plant pathology Phylogeny Taxonomy Symptoms

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Impact assessment of the seasonal hydrological loading on geodetic movement and seismicity in Nepal Himalaya using GRACE and GNSS measurements

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Geodesy and Geodynamics 2022年第5期13卷 445-455页

作者： Devendra Shashikant Nagale Suresh Kannaujiya Param K.gautam ajay K.Taloor Tandrila Sarkar Indian Institute of Remote Sensing ISRODehradunUttarakhand 248001India Wadia Institute of Himalayan Geology DehradunUttarakhand 248001India Department of Remote Sensing and GIS University of JammuJammu 180006India Indian Institute of Technology(Indian School of Mines) Dhanbad 826004India

The Himalayan terrain is an epitome of ongoing convergence and geodetic deformation where both tectonic and non-tectonic forces *** this study,the Gravity Recovery and Climate Experiment(GRACE)and Global Positioning System(GPS)datasets are used to assess the impact of seasonal loading on deformation with seismicity in *** recorded GPS data from 21 Global Navigation Satellite System(GNSS)stations during 2017-2020 are processed with respect to ITRF14 and the Indian reference frame,and the Center for Space Research(CSR)mascon RL06 during 2002-2020 is adopted to estimate the terrestrial water storage(TWS)change over the Ganga-Brahmaputra River *** results indicate that the hydrological loading effect or TWS change shows high negative,high positive,and moderately positive values in pre-monsoon,co-monsoon,and post-monsoon months,*** detrended GPS data of both horizontal and vertical components correlate with the seasonal TWS change using the Pearson correlation coefficient at each GNSS *** addition,the correlation coefficient has been interpolated using inverse distance weighting to investigate the regional TWS influence on geodetic *** the north component,the correlation coefficient ranges from-0.6 to *** the same time,the TWS is positively correlated with geodetic displacement(0.82)in the east component,and the correlation coefficient is negative(-0.69)in the vertical *** negative correlation signifies an inverse relationship between seasonal TWS variation and geodetic *** strain rate is estimated,which shows higher negative values in pre-monsoon than in ***,the effect of seismicity is 47.90%for pre-monsoon,15.97%for co-monsoon,and 17.56%for *** we can infer that the seismicity decreases with the increase of seasonal hydrological ***,the effect of strain is much higher in pre-monsoon than in post-monsoon since the impact of co-monsoon continues to

关键词： Non-tectonic Terrestrial water storage GRACE Strain rate Seismicity

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