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Effect of rotation in generalized thermoelastic solid under the influence of gravity with an overlying infinite thermoelastic fluid

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Applied Mathematics and Mechanics(English Edition) 2009年第12期30卷 1505-1518页

作者： praveen Ailawalia Naib singh Narah Department of Mathematics M.M. Engineering CollegeMaharishi Markandeshwar University Department of Mathematics D.A.V. College

The present problem is concerned with the study of deformation of a rotating generalized thermoelastic solid with an overlying infinite thermoelastic fluid due to different forces acting along the interface under the influence of *** components of displacement,force stress,and temperature distribution are first obtained in Laplace and Fourier domains by applying integral transforms,and then obtained in the physical domain by applying a numerical inversion *** particular cases are also discussed in the context of the *** results are also presented graphically to show the effect of rotation and gravity in the medium.

关键词： rotation gravity generalized thermoelasticity thermoelastic fluid Laplaceand Fourier transforms temperature distribution

Effect of Rotation Under the Influence of Gravity Due to Various Sources in a Generalized Thermoelastic Medium

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Advances in Applied Mathematics and Mechanics 2010年第6期2卷 810-827页

作者： praveen Ailawalia Naib singh Narah Department of Mathematics M.M.Engineering CollegeMaharishiMarkandeshwar UniversityMullanaDistrict AmbalaHaryanaIndia Department of Mathematics D.A.V CollegeAmbala CityHaryanaIndia

The present problem is concerned with the study of deformation of a rotating generalized thermoelastic medium under the influence of *** components of displacement,force stress and temperature distribution are obtained in Laplace and Fourier domain by applying integral *** components are then obtained in the physical domain by applying a numerical inversion *** particular cases are also discussed in context of the *** results are also presented graphically to show the effect of rotation and gravity in the medium.

关键词： Rotation gravity generalized thermoelasticity Laplace and Fourier transforms temperature distribution

Homotopy perturbation Method for Time-Fractional Shock Wave Equation

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Advances in Applied Mathematics and Mechanics 2011年第6期3卷 774-783页

作者： Mithilesh singh praveen Kumar Gupta Department of Mathematics Dehradun Institute of TechnologyDehradunIndia Department of Applied Mathematics Institute of TechnologyBanaras Hindu UniversityVaranasiIndia

A scheme is developed to study numerical solution of the time-fractional shock wave equation and wave equation under initial conditions by the homotopy perturbation method(HpM).The fractional derivatives are taken in the Caputo *** solutions are given in the form of series with easily computable *** results are illustrated through the graph.

关键词： partial differential equation fractional derivative shock wave equation homotopy perturbation method

A Novel Multi-objective protection Coordination Scheme for a Microgrid with Optimal Deployment of Dual-setting ROCOV Based Relays

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protection and Control of Modern power Systems 2024年第4期9卷 23-38页

作者： praveen Kumar Gupta priyanshul Niranjan Niraj Kumar Choudhary Nitin singh Ravindra Kumar singh the Department of Electrical Engineering Motilal Nehru National Institute of Technology AllahabadPrayagraj 211004India

Relay coordination is crucial in electrical power systems to protect against malfunctions and damage caused by unexpected events like short *** address the challenge associated with the reverse direction of fault current,dual-setting(DS)directional over-current relays have evolved but failed to provide proper coordination during changes of load,generation,and *** the meantime,with the increasing number of DS relays,the total relay operating time tends to ***,this paper proposes a protection scheme based on the optimal deployment of conventional and dual-setting rate of change of voltage(DS-ROCOV)relays in distribution *** holds true for varying network topologies and is unaffected by variations in load and *** objective of the proposed scheme is to ensure reliable and efficient protection against faults in distribution systems by minimizing the overall operating time with the optimal number of DS-ROCOV *** proposed protection scheme’s performance is evaluated for different coordination time interval values as well as in different microgrid *** paper outlines the design and implementation of the proposed protection scheme which is validated on the modified IEEE 14-bus system using simulations in Matlab/Simulink.

关键词： Coordination time interval DS-ROCOV relay multi-objective optimization optimal-deployment protection coordination

Charging infrastructure planning for electric vehicle in India:present status and future challenges

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Regional Sustainability 2022年第4期3卷 335-345页

作者： Sulabh SACHAN praveen prakash singh Department of Electrical Engineering GLA UniversityMathura281406India Tallin University of Technology Tallin19086Estonia

The challenge to deal with environmental contamination along with national goals such as energy security,reliability,and self-dependency due to depleting fossil fuel resources has motivated researchers to find an alternate solution in the transport *** to this,electrification of the transport sector has become an achievable solution that has caught attention with increasing penetration in the market *** is a participant in the paris Agreement which aims to curtail the production of greenhouse gases and limit the escalating *** intervention and changes in policy and regulations are the key aspects of technological *** to internal combustion engine(ICE)-based vehicles,the consumers’frame of mind concerns about adapting to e-mobility is anxiety over charging times and driving ***,the development of charging stations plays a crucial role in promoting electric vehicles(EVs).This study investigates to identify different barriers that exist in the Indian context related to the adoption of ***,this work emphasizes the recent developments in charging infrastructure planning in ***,the status of installed charging stations is *** appropriate charging stations are associated with several challenges,which are also highlighted to provide guidance to public and private entities that can be adopted in their respective business *** India has the second largest population and is the seventh largest country in the world,the EV adoption rate of India is considerably low compared to other countries;for India,there is a long way to match the growth rate of EV *** it becomes essential to develop a robust and suitable charging infrastructure to promote the sale and use of EVs in India.

关键词： Charging infrastructure planning E-mobility Electric vehicle Government initiatives Market player Vehicle to grid(V2G)

Surviving the odds: From perception to survival of fungal phytopathogens under host-generated oxidative burst

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plant Communications 2021年第3期2卷 38-54页

作者： Yeshveer singh Athira Mohandas Nair praveen Kumar Verma plant Immunity Laboratory National Institute of Plant Genome ResearchAruna Asaf Ali MargNew Delhi 110067India School of Life Sciences Jawaharlal Nehru UniversityNew Delhi 110067India

Fungal phytopathogens pose a serious threat to global crop *** a handful of strategies are available to combat these fungal infections,and the increasing incidence of fungicide resistance is making the situation ***,the molecular understanding of plant–fungus interactions remains a primary focus of plant *** of the hallmarks of host–pathogen interactions is the overproduction of reactive oxygen species(ROS)as a plant defense mechanism,collectively termed the oxidative *** general,high accumulation of ROS restricts the growth of pathogenic organisms by causing localized cell death around the site of *** survive the oxidative burst and achieve successful host colonization,fungal phytopathogens employ intricate mechanisms for ROS perception,ROS neutralization,and protection from ROS-mediated ***,these countermeasures maintain the physiological redox homeostasis that is essential for cell *** addition to intracellular antioxidant systems,phytopathogenic fungi also deploy interesting effector-mediated mechanisms for extracellular ROS *** aspect of plant–pathogen interactions is significantly under-studied and provides enormous scope for future *** adaptive responses,broadly categorized into“escape”and“exploitation”mechanisms,are poorly *** this review,we discuss the oxidative stress response of filamentous fungi,their perception signaling,and recent insights that provide a comprehensive understanding of the distinct survival mechanisms of fungal pathogens in response to the host-generated oxidative burst.

关键词： reactive oxygen species(ROS) oxidative stress response fungal effectors stress signaling plant-pathogen interactions

phytochemistry and ethnomedicinal qualities of metabolites from phyllanthus emblica L.:A review

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BIOCELL 2023年第5期47卷 1159-1176页

作者： VIJAY KUMAR praveen C.RAMAMURTHY SIMRANJEET singh DALJEET singh DHANJAL pARUL pARIHAR DEEpIKA BHATIA RAM pRASAD JOGINDER singh Central Ayurveda Research Institute JhansiUttar Pradesh284003India Interdisciplinary Centre for Water Research Indian Institute of SciencesBangalore560012India Department of Biotechnology Lovely Professional UniversityPhagwaraPunjab144411India Department of Botany Lovely Professional UniversityPhagwaraPunjab144411India Department of Biotechnology Baba Farid CollegeBathindaPunjab151001India Department of Botany Mahatma Gandhi Central UniversityMotihari845401India Department of Microbiology Lovely Professional UniversityPhagwaraPunjab144411India

phyllanthus emblica or Indian gooseberry is an integrated part of Ayurvedic and Traditional Chinese *** several decades,the well-known ancient herb has been extensively utilized in traditional medicine to cure diseases like fever,diabetes,constipation,jaundice,ulcers,biliousness,anemia,anorexia,and *** the traditional system,Indian gooseberry has various ethnomedicinal *** the Ayurvedic system,different methods of administration(anupan)have shown different ethnomedicinal properties of Indian *** well-known chemical components in Indian gooseberry have been identified through phytochemical evaluation,among which the flavonoids and phenols are most *** the toxicity perspective,it is considered a safe herb in India,and is taken as a food supplement in European *** wide-spectrum pharmacological activities of the crude extracts and isolates of Indian gooseberry are attributed to the predominance of phenols and ***,it is important to study the exact mechanism of the activity of the phytochemicals in Indian gooseberry,especially in anti-cancer *** of Indian gooseberry enhances proliferation in several cancer cells in vitro,including stem cells like ovarian cancer(OC)cells,and also has been observed to possess anti-proliferative characteristics in *** review intends to explore the therapeutic potential of Indian gooseberry based on scientific reports and attempts to find the gaps for future research.

关键词： phyllanthus emblica Amla Vitamin C Antioxidant Stem cells phytochemistry pharmacology

State coordinated voltage control in an active distribution network with on-load tap changers and photovoltaic systems

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Global Energy Interconnection 2021年第2期4卷 117-125页

作者： praveen prakash singh Ivo palu Department of Electrical power Engineering and Mechatronics Tallinn University of Technology Ehitajate Tee 5 19086 TallinnEstonia

Decreasing costs and favorable policies have resulted in increased penetration of solar photovoltaic(pV)power generation in distribution *** the pV systems penetration is likely to increase in the future,utilizing the reactive power capability of pV inverters to mitigate voltage deviations is being *** recent years,droop control of inverter-based distributed energy resources has emerged as an essential tool for use in this *** participation of pV systems in voltage regulation and its coordination with existing controllers,such as on-load tap changers,is paramount for controlling the voltage within specified *** this work,control strategies are presented that can be coordinated with the existing controls in a distributed *** effectiveness of the proposed method was demonstrated through simulation results on a distribution system.

关键词： photovoltaic(pV)system On-load tap changer(OLTC) Voltage regulation Coordinated control Droop control

State of charge and health estimation of batteries for electric vehicles applications:key issues and challenges

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Global Energy Interconnection 2021年第2期4卷 145-157页

作者： Samarendra pratap.singh praveen prakash singh Sri Niwas singh prabhakar Tiwari Department of Electrical Engineering IETDr Rammannohar Lohia Avadh UniversityAyodhyaIndia Department of Electrical power Engineering and Mechatronics Tallinn University of Technology Estonia Department of Electrical Engineering Indian Institute of Technology KanpurIndia Department of Electrical Engineering Madan Mohan Malaviya University of Technology GorakhpurIndia

Using electric vehicles(EVs)for transportation is considered as a necessary component for managing sustainable development and environmental *** present concerns regarding the environment,such as rapid fossil fuel depletion,increases in air pollution,accelerating energy demands,global warming,and climate change,have paved the way for the electrification of the transport *** can address all of the aforementioned *** power supplies have become the lifeline of the EV world,especially lithium-ion(Li-ion)***-ion batteries have attracted considerable attention in the EV industry,owing to their high energy density,power density,lifespan,nominal voltage,and *** major issue with such batteries concerns providing a quick and accurate estimation of a battery’s state and health;therefore,accurate determinations of the battery’S performance and health,as well as an accurate prediction of its life,are necessary to ensure reliability and *** study conducts a review of the technological briefs of EVs and their types,as well as the corresponding battery *** aspects of recent research and developments in Li-ion battery prognostics and health monitoring are summarized,along with the techniques,algorithms,and models used for current/voltage estimations,state-of-charge(SoC)estimations,capacity estimations,and remaining-useful-life predictions.

关键词： Electric Vehicles State of Charge State of Health Battery Test