A5048482745- Fluid Dynamics and Turbulent Flows
- Wind Energy Research and Development
- Nanofluid Flow and Heat Transfer
- Aerodynamics and Fluid Dynamics Research
- Heat Transfer Mechanisms
- Fluid Dynamics and Vibration Analysis
- Phytochemistry and Biological Activities
- Wind and Air Flow Studies
- Natural Antidiabetic Agents Studies
- Computational Fluid Dynamics and Aerodynamics
- Heat and Mass Transfer in Porous Media
- Seed and Plant Biochemistry
- Fungal Biology and Applications
- Lattice Boltzmann Simulation Studies
- Advances in Cucurbitaceae Research
- Moringa oleifera research and applications
- Aquaculture Nutrition and Growth
- Plant Pathogens and Fungal Diseases
- Energy and Environment Impacts
- Ethnobotanical and Medicinal Plants Studies
- Nigella sativa pharmacological applications
- Phytochemistry and biological activity of medicinal plants
- Lipid metabolism and biosynthesis
- Radiation Shielding Materials Analysis
- Sunflower and Safflower Cultivation
Graphic Era University
2024
Indira Gandhi National Open University
2020-2021
Indian Institute of Technology Jodhpur
2020-2021
Punjabi University
2021
Galgotias University
2020
Jain University
2019-2020
Birla Institute of Technology and Science, Pilani
2013
Clipper Windpower (United States)
2012
Nepal Medical College Teaching Hospital
2011
National Defence Academy
2011
Abstract An analysis of dynamic stall for the S809 aerofoil has been performed in conjunction with Leishman–Beddoes model that was modified wind turbine applications. Numerical predictions lift, drag and pitching moment coefficients were compared measurements obtained an oscillating at various reduced frequencies, mean angles attack angle amplitudes. It found results using good agreement experimental data. Hysteresis aerodynamic captured well, although coefficient slightly underpredicted...
Efrapeptins, peptides isolated from the fungus Tolypocladium niveum, showed toxic activity, as a crude mixture of five closely related compounds, against twospotted spider mite, Colorado potato beetle,southern armyworm, and tobacco budworm. The insecticidal activity pure efrapeptins was characterized using two compounds potado beetle in foliar spray assay. Efrapeptin F (LC50 = 8.4 ppm) about twice potent efrapeptin D 18.9 ppm). ATPase inhibitory demonstrated mitochondrial preparations fungal...
An understandingof the blade-element momentum (BEM) theory in comparison with free-vortex method (FVM) has been developed for analysis of wind turbine aerodynamics. Understandingthe limitations BEM methods, used often by community, is very important better prediction power output and blade loads. The revisited compared vortex methods. work shows limits applicability methods flexibility FVM to predict aerodynamics a full range operatingstates includingthe ringstate, turbulent wake state yawed...
Abstract Current article is devoted with the study of MHD 3D flow Oldroyd B type nanofluid induced by bi-directional stretching sheet. Expertise similarity transformation confined to reduce governing partial differential equations into ordinary nonlinear equations. These dimensionless are then solved Differential Transform Method combined Padé approximation (DTM-Padé). Dealings arising physical parameters namely Deborah numbers β 1 and 2 , Prandtl number Pr, Brownian motion parameter N b...
tropical countries.[6] The water extract of the plant showed significant immunostimulating activity. [7]armacognostic studies have not been reported for roots this plant.Therefore, main aim present study is to macro, microscopic, and some other pharmacognostic characters physicochemical standards A. spinosus Linn., which could be used prepare a monograph proper identification plant.
SARS-CoV-2 (or COVID-19) has become a global risk and scientists are attempting to investigate antiviral vaccine. Berberis important plants due the presence of bioactive phytochemicals, especially berberine from protoberberine group benzylisoquinoline recent studies have shown its potential in treating COVID-19. B. lycium Royle growing subtropical regions Asia had wide applications Indian system medicine. Rapid determination novel optimisation method for extraction been developed by Soxhlet...
We present numerical simulations of a planar shock interacting with two-dimensional sulfur hexafluoride (SF6) cylinder. have excellent agreement experiments at two Mach numbers M=1.095 [Jacobs, Phys. Fluids A 5, 2239 (1993)] and M=1.2 [Zoldi, Ph.D. thesis, SUNY Stony Brook, 2002]. This includes intermediate scale features quantities such as bounding box dimensions coherent structures velocity magnitude distribution function. Our use validated viscous FLASH [ASCI Center, “FLASH User’s Guide,”...
This paper describes the application of a free-vortex wake method (FVM) to predict performance and aerodynamic loads on an upwind wind turbine in unyawed yawed flow. Measurements from Phase VI NREL/NASA Ames tunnel test were used for validating predictions. The FVM predicted well variation thrust power output with speed. Spanwise distributions coefficients (normal force, leading-edge pitching moment) also predicted, encouraging agreement was obtained against measured coefficients. azimuthal...
The accuracy of a straight-line segmentation approximation to series helicoidal vortices is considered. problem examined for different values the helical pitch, number wake turns, and skew angle. Results documenting both relative errors discretized vortex ring are compared. It found that with sufficiently small segments, give at least second-order accurate reconstruction induced velocity field. shown can be viewed as special case its pitch tends zero. Based on magnitude two cases, more...
An analysis of the stability and accuracy some timemarching methods used in free-vortex wake wind turbines has been performed. Both linear nonlinear analyses have conducted. Integration schemes examined included Euler explicit, Adams-Bashforth, two predictor-corrector schemes. The is shown to give an upper bound determining each numerical method. However, it further that induced velocity term governing equations makes overall problem nonlinear. A various was performed using method modified...
Purpose The purpose of this paper is to investigate the effect inclined magnetic field, variable viscosity and Cattaneo–Christov heat mass flux theories on steady MHD free convective boundary layer flow viscous, incompressible electrically conducting water-driven silver titanium-oxide nanofluids over a vertical stretching sheet. Design/methodology/approach equations momentum, energy nanoparticle concentration are partial differential in nature, which reduced nonlinear ordinary by means...
In the present scenario of business after COVID-19, many industries are facing problems, like a very low number customers, demand in market, etc. this situation, executives companies have challenge with how to increase current environment. Maintaining proper and best relations customers attracting new major tasks for executives. To motivate attract customers' businesses, can plan launch some lucrative schemes customers. Due motivating schemes, large be attracted service. So, as result, there...
A chemical investigation of Didymocarpus pedicellata has resulted in the isolation 8-hydroxy-5, 6, 7-trimethoxy-flavanone, 2'-hydroxy-4', 5', 6'-trimethoxychalcone, 5, 7, 8-tetramethoxy flavanone, pedicellin, methyl pedicin and beta-sitosterol. 8-Hydroxy-5, 7-trimethoxy flavanone 6'-trimethoxy chalcone are hitherto new natural products while been isolated from D. for first time.
A time-accurate free-vortex wake model has been used to predict the skewed geometry behind an upwind wind turbine in yawed flow over a range of yaw angles and tip speed ratios. The predicted vortex positions compared well with visualization measurements found experiments. Increasing skewness was cause roll up along its edges. Good agreement achieved between measured thrust for entire conditions experiment.
The Leishman‐Beddoes dynamic stall model has been modified to represent the unsteady aerodynamic behavior of S809 airfoil for wind turbine applications. An extensive validation study performed with measured 2D characteristics. was then coupled a lifting-line blade predict 3D aerodynamics an parked oscillating that also uses airfoil. Good agreement obtained between predictions and experimental data various angle attack time-histories. results show ability use L‐B sections in attached flow,...