Search Results - "Kishore, Ratna"

Development of a numerical model for performance prediction of an integrated microcombustor-thermoelectric power generator by Hiranandani, Karan, Aravind, B., Ratna Kishore, V., Kumar, Sudarshan

“…This paper presents the development of a numerical model for a thermoelectric generator integrated with a novel microcombustor to predict the thermoelectric…”
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A numerical study of forced convection in ideal and randomized reticulated porous structures and a proposal for a new correlation by Rambabu, S., Parthasarathy, P., Ratna kishore, V.

“…•Numerical study to investigate the effect of geometry and fluid properties on the convective heat transfer coefficients of reticulated porous…”
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Effect of airfoil and solidity on performance of small scale vertical axis wind turbine using three dimensional CFD model by Subramanian, Abhishek, Yogesh, S. Arun, Sivanandan, Hrishikesh, Giri, Abhijit, Vasudevan, Madhavan, Mugundhan, Vivek, Velamati, Ratna Kishore

“…This paper presents a study on the effect of solidity and airfoil profile on the performance of Vertical Axis Wind Turbines (VAWTs). A 1.1 kW commercially…”
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Mathematical modelling of a single tethered aerostat using longitudinal stability derivatives by Sasidharan, Anoop, Velamati, Ratna Kishore, Mohammad, Akram, Benaissa, Sabrina

“…Lighter-than-air (LTA) aerial vehicles such as airships and aerostats can be found in various strategic and commercial applications, primarily due to their…”
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Investigation on supersonic combustion of hydrogen with variation of combustor inlet conditions by Hariharan, Vishnu, Velamati, Ratna Kishore, Prathap, C.

“…The present work numerically investigated the effect of variation in the inlet Mach number and stagnation temperature on the mixing of fuel with the oxidizer…”
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Effect of Helix Angle on the Performance of Helical Vertical Axis Wind Turbine by Divakaran, Unnikrishnan, Ramesh, Ajith, Mohammad, Akram, Velamati, Ratna Kishore

“…The energy crisis has forced researchers to look for various non-conventional energy sources. Wind energy is one of the potential sources, and researchers have…”
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Power generation by high head water in a building using micro hydro turbine—a greener approach by M M S R S, Bhargav, V, Ratna Kishore, S P, Anbuudayasankar, K, Balaji

“…Demand for green energy production is arising all over the world. A lot of emphasis is laid in making the buildings green. Even a small amount of energy…”
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A numerical study comparing the performance of a self-aspirating domestic LPG porous burner and that of a conventional LPG burner by Ranjan, Sushanth, Parthasarathy, P., Ratna Kishore, V.

“…The study involves in the design of a domestic two-layer self-aspirating porous burner that operates at a thermal load of 1 kW using liquefied petroleum gas…”
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Effect of hole pattern on the structure of small scale perorated plate burner flames by Edacheri Veetil, Jithin, Aravind, B., Mohammad, Akram, Kumar, Sudarshan, Velamati, Ratna Kishore

“…•3D numerical study on the structure of premixed flames on perforated plate burners.•Staggered arrangement leads to higher flame height due to flame…”
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A numerical investigation to determine longitudinal dispersion coefficient in ideal and randomized reticulated porous structures using transient direct pore level simulation by Rambabu, S., Parthasarathy, P., Ratna kishore, V.

“…•Numerical estimation of longitudinal dispersion in reticulated porous media.•Peclet number correlation using strut diameter as Characteristic length is…”
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Combustion of methylcyclohexane at elevated temperatures to investigate burning velocity for surrogate fuel development by Kumar, Rohit, Kishore Velamati, Ratna, Kumar, Sudarshan

“…To overcome the complexity associated with the development of detailed kinetic models for real transportation fuels, surrogate fuel models offer an excellent…”
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A 3D Non-Linear FE Model and Optimization of Cavity Die Sheet Hydroforming Process by Achuthankutty, Arun, Ramesh, Ajith, Velamati, Ratna Kishore

“…Cryo-rolled aluminum alloys have a much higher strength-to-weight ratio than cold-rolled alloys, which makes them invaluable in the aerospace and automotive…”
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Adiabatic burning velocity and cellular flame characteristics of H2―CO―CO2―air mixtures by RATNA KISHORE, V, RAVI, M. R, RAY, Anjan

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Tip Opening of Burner-Stabilized Flames by Mohammed, Abdul Naseer, Jithin, Edacheri Veetil, Dineshkumar, L, Ratna Kishore, V, Mohammad, Akram

“…The tip-opening mechanism of burner-stabilized flames is investigated computationally using premixed propane + air mixtures. The temperature, net production…”
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Towards the Development of Miniature Scale Liquid Fuel Combustors for Power Generation Application—A Review by Sankar, Vinay, Sudarsanan, Sreejith, Mukhopadhyay, Sudipto, Selvaraj, Prabhu, Balakrishnan, Aravind, Velamati, Ratna Kishore

“…As the demand for powerful, light energy sources continues to grow, traditional electrochemical batteries are no longer sufficient and combustion-based power…”
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Laminar burning velocity measurements of ethyl valerate-air flames at elevated temperatures with mechanism modifications by Shawnam, Kumar, Rohit, Jithin, E.V., Kishore Velamati, Ratna, Kumar, Sudarshan

“…•LBV values of ethyl valerate-air mixtures were measured using the EHDC method for ϕ = 0.7–1.4 and temperatures 300–610 K.•Modifications to reactions R471 and…”
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Effect of Macroscopic Turbulent Gust on the Aerodynamic Performance of Vertical Axis Wind Turbine by Srinivasan, Lakshmi, Ram, Nishanth, Rengarajan, Sudharshan Bharatwaj, Divakaran, Unnikrishnan, Mohammad, Akram, Velamati, Ratna Kishore

“…Vertical Axis Wind Turbines (VAWTs) have proven to be suitable for changing wind conditions, particularly in urban settings. In this paper, a 2D URANS…”
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Experimental and computational analysis of a row of three co-swirling impinging flames by Singh, Parampreet, Velamati, Ratna Kishore, Chander, Subhash

“…Detailed flow field and heat transfer characteristics developed in a row of three co-rotating dual swirling impinging flames have been investigated…”
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Numerical Study of Wall Heat Transfer Effects on Flow Separation in a Supersonic Overexpanded Nozzle by Murugesan, Priyadharshini, Srikrishnan, A. R., Mohammad, Akram, Velamati, Ratna Kishore

“…In this study, numerical simulations have been carried out to analyze the effect of convective heat transfer on flow separation occurring in a DLP-PAR nozzle…”
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Impact of H2 Blending of Methane on Micro-Diffusion Combustion in a Planar Micro-Combustor with Splitter by Sudarsanan, Sreejith, Velamati, Ratna, Alquaity, Awad, Selvaraj, Prabhu

“…An investigation into the non-premixed combustion characteristics of methane in a planar micro-combustor with a splitter was performed. The impact of blending…”
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