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Tue, 16 Jan 2018 22:38:34 +0000
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Mon, 15 Jan 2018 12:00:22 +0000
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Fri, 12 Jan 2018 21:37:32 +0000
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An independent safety panel recommended NASA not certify SpaceX’s commercial crew system until the agency better understands the behavior of pressure vessels linked to a Falcon 9 failure in 2016. SpaceNews.com
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Fri, 12 Jan 2018 12:09:38 +0000
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Thu, 11 Jan 2018 22:59:37 +0000
Pentagon officials on the Zuma space mission: 'We're not going to be able to give you any more information' SpaceNews.com
Thu, 11 Jan 2018 19:31:37 +0000
The U.S. Air Force is focused on information technology, cybersecurity and small satellites to enhance weather capabilities in the near term rather than a new generation of large, sophisticated spacecraft to replace the Defense Meteorological Satellite Program. SpaceNews.com
Thu, 11 Jan 2018 17:39:01 +0000
SpaceX has delayed its two commercial crew test flights by four months, according to a new NASA schedule released Jan. 11, raising questions about whether it or Boeing will be able to send astronauts to the International Space Station by the end of the year as previously planned. SpaceNews.com
Thu, 11 Jan 2018 16:35:22 +0000
NOAA's future constellation could include a mix of large government-owned and government-operated satellites, imaging instruments hosted on commercial satellites, small satellites in low Earth orbit and data purchased from commercial firms. SpaceNews.com
Thu, 11 Jan 2018 09:36:21 +0000
NASA announced Jan. 10 that it was renaming the Swift astronomy spacecraft after its former principal investigator, who passed away last year. SpaceNews.com
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Spanish rocket startup PLD Space received 2 million euros ($2.4 million) from a European Commission grant program to further the development of a pair of launchers designed for small satellites. SpaceNews.com
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  • CV: Sr. CFD engineer

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:29-01-2014
     Last Modified:29-01-2014 (08:54)
    Job information
     Current job:Sr. CFD engineer
     Employment Term:Permanent
     Job location:Anywhere
     Date available:immediately
     Industry:Consulting/Engineering Services
     KeywordsCFD, PROPULSION, SOLID ROCKET, GAS TURBINE PERFORMANCE, ICEM CFD FLUENT, MATLAB SIMULINK , HIL testing,dspace,do178b.
    CV

      Career Objective

     A dynamic, innovative, performance driven and highly motivated CFD engineer with more than 6+ years of experience in fluid dynamics, thermal system, Gas turbine design and analysis. Excellent problem solver with effective management, leadership qualities, learnt skills and acquired knowledge to build a career, which is intellectually challenging and personally rewarding.

       Educational Qualifications

     

    Degree

    University

     ClassCGPA

    Year of passing

    M.E (aerospace engg)

    MIT ,Anna university

                I class

        July 2007

    B.E(Mechanical engg)

    Arunai Engg college ,Madras University

                I class

        August 2004

     

      Years of Experience                

     

    Total  years of experience

    SEVEN YEARS

    Relevant years of experience in CFD

    SIX YEARS

           As CFD analyst in ICEM CFD, FLUENT.

    Ø  Hands on experience in simulation soft wares such as fluent. 6.5, ICEM CFD .10.           

    Ø  Development of geometry, surfaces, parts and blocking for varying scale of meshing.

    Ø  Experience in tetra, hexa, prism, structured and unstructured meshing.

    Ø  Experience and knowledge on grid generation, fines, skew ness, aspect ratio, cell orientation of faces and grid topology.

    Ø  Experience and knowledge in setting of simulation type of steady, transient and turbulence model,

    Ø  Knowledge and experience for setting of boundary flow field condition and physical domain setting, moving boundary analysis.

    Ø  Knowledge of solvers for steady state problem, transonic flow and turbulence model.

    Ø  Knowledge on multi-grid convergence acceleration method, second order spatial discretisation.

    Ø  Experience and knowledge in sources of errors and its correction techniques.

    Ø  Experience and knowledge in post processing techniques.

     

    As analyst in CFX blade gen10 turbo machinery /ax stream

    Ø  Experience on blade modular design of turbo mechanics geometric property of hub, shroud, tip, theta periodic, curves of inlet, and outlet mean line design.

    Ø  Knowledge in defining the control angle between inlet and axis of rotation and periodic surfaces.

    Ø  Experience and knowledge in setting the grid generation topology.

    Ø  Knowledge in defining the range of one on one periodicity by interface.

    Ø  Knowledge in choosing the apt type of grid, near wall and smoothening technique.

    Ø  Experience in generating 3-d mesh for blade profile.

    Ø  Knowledge in defining the layers between hub and shroud.

    Ø  Knowledge in editing master control points and defining mesh static parameter

    Ø  Experience in solver control of blade gen 10 in CFX, calculation of inlet and outlet velocity, flow angle by Velocity triangle method.

    Ø  Experience in post processing technique of velocity vector analysis, flow in iso surfaces and path line of flow.

    Experience in gas turb 11 soft ware /NLR. (Performance analysis)

    Ø  Experience in aircraft cycle analysis, engine component, flight propulsive efficiency

    Ø  Experience in using matlab, simulink on development, maintenance of gas turbine cycle model for steady, transient performance prediction.

    Ø  Understanding of component performance characteristic maps and their representation in cycle model.

    Ø  Parametric  design using gas turb 11 for analysis of higher cycle efficiency using two spool, fan with two stage compressor for various input constrains

    Ø  Experience in use of compressor, turbine working contour map in iterating surge margin%, Reno correlation, bleeds handling.

    Ø  Off design analysis of spool speed with control operating points, iterations for convergence of beta value and auxiliary loads in finding flow speed at design point, corrected speed and mass flow, nozzle area.

    Ø  Basic knowledge in using geometry editor of gas turb11 in designing general engine configuration ,inlet design, compressor design, flow annulus shape, blade stage,  burner, std convergent nozzle, bypass ratio and shape, etc in meeting cycle constraints .

     

     Experience in aero design soft wares x-foil, XFLR4.

    Ø  Knowledge in defining aerofoil model parameters such as thickness, chamber, max pt, by B-spline, splined pts, interpolation, inverse method.

    Ø  Knowledge in defining polar objects such as angle of attack, Re,M,laminar to turbulence transition criteria, etc

    Ø  Significance of operating pts in series of inlet (bl) input data and convergence with sequential analysis.

    Ø  Knowledge in defining wing body by its length, root to tip chord, leading edge offset, dihedral angle etc

    Ø  Experience in polar mesh type on panels I order, II order with the association of vortex and doublet source to each panel.

    Ø  Viscous and in viscid calculation of LLT, over VLM, 3D panel method by interpolation.

    Ø  Knowledge in optimization technique MDO in designing and air craft simulation.

     

       Knowledge  on Mechanical software

     

      Modeling Tools

    PRO-E, CATIA. MATLAB, SIMULINK

      Preprocessing Tool                    

    ANSYS CFD, blade modeler 10, X-foil, and XFLR5

      Analysis solver

    FLUENT, ANSIS CFX, gas turbo11, STAR CD

      Post processing Tools

    ICEM CFD, FLUENT

     

    COMPUTATIONAL PROJECT COMPUTATIONAL STUDIES ON INTERNAL FLOW THROUGH A CONVERGENT DIVERGENT (C-D) NOZZLE WITH VARYING PRESSURE RATIO.

    Projects for (company/Clint): RCI (DRDO) CAP LABS MIT                              Duration: 24 months

    Role played computational analyst.

     

     The project work is to carry the analysis and to study the criterion for the flow separations in a convergent-divergent nozzle .To determine the point of flow separation in c-d nozzle. The various phenomenons of sub sonic, Tran’s sonic, super sonic, normal and oblique shock formation are observed. The optimum condition of exit pressure for over expansion, under expansion and optimum expansion is also determined. The computational data are compared with Schumacher’s criterion, Summerfield criterion. Schilling curve.

    Boundary conditions:

     

    v  Reynolds numbers of the nozzle flow is Re 106 with a favorable pressure gradient. Therefore, the viscous effects may be ignored as a first approximation.

    v  The ratio of exit area and throat area is four; the corresponding pressure ratio from theoretical calculation is 33.56. So in the computation work the inlet total pressure is taken as 33.56 bar and the exit pressure is varied.

    v  The computation is done using the FLUENT software involves solution of the Navier-Stokes equation for the flow with a built in k-ε turbulence mode

     

    CFD PROJECT blade design: TURBULANCE FLOW THROUGH A CENTRIFUGAL BLADE/ AXIAL ROTOT-STATOR.

    DURATION: 24 month.                Role played blade sign CFD analyst

    Computational domain

    3D axis symmetric model with swirl, using a rotating reference frame.

    Boundary condition

    Moving ref frame or rotating ref frame. Interface zones, periodic surfaces, fluid and wall.

    Computational grid

    Triangular and tetra hexahedral mesh, multi grid.

    Model type

    Moving reference frames, sliding mesh,

    Time step size

    Sliding motion of rotor /velocity (rpm).

    discretitation

    Pr-vel coupling, momentum, turbulence K.E, turbulence dissipation rate.  II order upwind.

    Viscous model

    Steady flow viscous k-εtwo equation model.

    Output variables

    Pressure, velocity at different surfaces , walls

     

    Experimental Aerodynamic PROJECT: EXTERNAL FLOW OVER AN AEROFOIL WING PLANE MODEL WITH VARYING Re, ANGLE OF ATTACK, MACK no.

    duration: 12month           Role played: mapping and cross coupling aerodynamic data with computational   and experimental

     

     CFD analysis of external aero dynamics, calculation lifts drag and other flow coefficient analysis for different velocity and Reynolds no. Minimizing formation of vertex, closer towards stream lined flow.

     

    Gas turbine performance projects: aircraft cycle analysis, engine component, flight propulsive efficiency

    Duration: 12months,  Role played: performance engineer

     

    Parametric design using gas turb11 for analysis of higher cycle efficiency using two spool, fan with two stage compressor for various input constrains

    Preparing compressor and turbine maps, matching turbine with compressor maps for load and flow coefficient.

    PROJECTS (performance of jet Engine) High fidelity aero thermal transient performance analysis of a turbo jet engine model based design.

    duration: 12 months    roll played ::development of thermodynamic model of the power plant

     

     A Generic aero thermal model was created with 1-D non linear un-steady governing equations representing aero thermodynamic process of each engine component .The engine performance characteristics such as specific fuel consumption, component pressure ratio, thermal and propulsive efficiency are analyzed with transient condition by changing the fuel flow rate with time.

    I have rich experience in moving boundary problem analysis, turbo charger, fan, gas turbine engine design, analysis and optimization

     

            Experimental    Aerodynamic   PROJECT

     

    PROJECT TITLE:  comparison of effectiveness of s1223 and   NACA6412 air foil for MAV 

          At low Reynolds number.

        An aero foil design best suitable for micro air vehicle was analyzed with its varying phenomenon for area ratio, low Reno, pressure distribution and free stream turbulence.

    A thin air foil of low AR wing design of s1223, 12% thickness, 8%camber was chosen, a wooden wing was made. Comparison Cl, Cd, Cm, and LD for various Re.no, AR, and 3D- flow effect was made with that of air foil model NACA6412 for same Re.no of the order of 105 and varying the angle of attack.

     

                      Details of Participation in Refresher course/ Seminar/ Workshops

     

    sl.no

    Title

    Institute

    Year

    1

    Application of MOD in aero space designing tools and optimization /auto

    AnnaUniversity& Aeronautical Association of India AAI

    2009

    2

    PLM employed in aircraft design industry

    Hindustancollege of engg

    2010

    3

    Engine emission and assessment in creating environmental friendly aircraft

    Department of mechanical engg PEC

    2008

    4

    Aircraft engine diagnostic for higher life cycle

    Department of aero space engg M.I.T

    2007

    5

    Vastness of application of TQM and reduction of errors, six sigma.

    Department of mechanical engg, ARUNAI engg

    2004

    6

    CFD tools used in aero/ auto industry.

    AnnaUniversity& Aeronautical Association of India AAI

    2006

     

    Previous Job Experience

          

     POSITION

     

    COMPANY

     

                     DURATION

    Sr.sw.enggT.L power trains, compressors and turbines

    KPIT CUMMINS

    April2012 – till date

    Project coordinator(CFD)

    CAP LAB MIT

    Jan 2011- march 2012

    Senior design Engineer/TL.

    IVRCL Ltd.,

    Feb 2008- nov2010

     

    project Engineer

    WIPRO

     Aug2007-Jan2008

     

    Project assistant(CFD)

    CAP LAB MIT

    July 2004- july2005

     

    Personal Profile:

     

      Date of birth              :           20-09- 1981

      Sex                            :           Male

      Marital status              :           Single

      Languages known       :           English, Tamil.

      Nationality                   :           Indian

                                

     

            REFERENCES

          Dr BTN Sridhar Professor .H.O.D,

         Department of Aerospace Egg MIT,

         CHENNAI-44. 

         Mr Theodor ravish  (BIZZ HR) KPIT CUMMINS

         INFO SYSTEMS.

         

       

     

    P.v.s.s Krishna deputy manager IVRCL infra & projects LTD.

    Regional office Chennai. Project office PONDICHERY-4

     

     

    Declaration: 

                 I  hereby   declare  that  all  the  information  given  in  this document is true to the best of my knowledge.


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