Project Engineering

VIPUL SHRIVASTAVA

Contact No.: +91-974******* ~ E-Mail: ***********.*****@*****.***

Seeking assignments in CFD Analysis / Model Development with an

organization of repute

PROFILE SUMMARY

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. M.Sc. in Mechanical Engineering from University of Newcastle upon Tyne,

UK with nearly 3 years of experience in:

~ CFD Analysis ~ CFD Model Development ~ Analysis &

Validation

~ Conjugate Heat Transfer ~ Fluid Structure Interaction ~

Heat Transfer

~ Client Support ~ Reporting & Documentation ~ Fluid

Dynamics

~ Computational Fluid Dynamics ~ Finite Element Analysis (FEA)

~ Thermodynamics

~ Volume of Fluid (VOF) Model ~ Drift Flux Model (DFM) ~

Particle Physics (DEM)

. Expertise in the simulation of a variety of advanced engineering

processes in order to assist the customers with their engineering

designs, and be at the forefront of the innovative use of simulation in

engineering design, industrial processes & research environments

. Gained modeling experience using Finite Element Analysis and

Computational Fluid Dynamics & proficiency of working in House Fortran

Code

. Exposure to Fluid-Structure Interaction (FSI), Conjugate Heat Transfer

(CHT) Analysis and Modeling of Multi Physics and Multi Scale Problems

. Well versed with commercial tools such as FLUENT, Hypermesh, etc.

. Skilled in CFD concepts involving Multiphase, Transient, Porous Medium,

VOF, MRF, DFM, HEM and Lagrangian Particle Tracking

. Proficient in using tools like ICEM CFD, Star CCM+, ANSYS CFX, ANSYS

workbench, Hypermesh and ANSYS Fluent

. Conversant with using open source CFD softwares i.e. OpenFoam,

LIGGGHTS and CFDEM coupling and post processing using paraview

. Exposure to Discrete Element Method (DEM) to simulate the particle's

flow using LIGGGHTS

. An effective communicator with proven inter-personal, analytical &

problem solving skills

ORGANIZATIONAL EXPERIENCE

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Since Feb'12 with Fluidyn Consultancy Pvt. Ltd., Bangalore as Senior

Research Engineer (CFD)

Role:

. Involved in pre-processing for checking geometry & quality and post

processing

. Carrying out User Coding using Linux & C sourcecode

. Conducting applied research for product development and/or product

optimization through Computational Fluid Dynamics using commercial CFD

Codes

. Creating CFD Model by considering fluid domain

. Accountable for exporting the model into solver and setup boundary

conditions as per the physics of the problem

. Recommending modifications based on client requirements

. Writing technical documentation related to the analysis carried out

. Providing technical inputs & putting recommendations that achieve

project expectations

. Interacting with clients in order to understand the physical problem

of interest including conjugate heat transfer, Fluid-Structure

interaction, multiphase flow, etc.

. Carrying out literature survey and deciding appropriate physical and

mathematical/numerical models to solve the defined physical problem

. Creating geometry and meshing by Fluidyn Cadgen Software and

preprocessing and post processing by Fluidyn MP_G

. Implementing the models in the existing finite volume fluid flow

solver(Fluidyn MP_B) and validating them by comparing the computed

results with published data

. Preparing the necessary documents for user manuals, tutorials and

validating documents after completion of development and validation

. Delivering webinars on different topics as CHT, Fluid-structure

interaction

Projects handled:

. Conjugate Heat Transfer Analysis of a Reactor with Calcination

Modelling of Powder Placed Inside

. Static Wall Film Model Development

. Simulation of Powder Flow in a Rotating Kiln

. Power Inverter Cooling Analysis

. Data Center Cooling Analysis

. Jet fan Ventilation in Car Parks

. Analysis of Fluid- Structure Interaction under Seismic Excitations (3d

seismic induced sloshing)- Tutorial for the Client Support

. Validation of Weir Flow Analysis

. Validation of TNT explosion in a cylindrical T-tunnel and in open

atmosphere

. Simulation of Silt removal in a Desilting chamber

Note: Please refer to the annexure for project details

INTERNSHIP

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Organization: Newcastle University

Period: May'10 - Jul'11

Description: Analysed the behaviour of Vortex shedding behind a

cylinder array. A free-stream velocity of 15m/s and a gap

ratio of (T/d) = 2 was investigated at Re=12,500. Carried

out an experimental work in a Plint & Partners TE93 Cross-

Flow Heat Exchanger wind tunnel. Took measurements with a

hot-wire anemometer through an IFA100 flow analyser and

recorded with Picoscope Software. Ansys' Fluent CFD program

was used to simulate the flow in the working section of the

wind tunnel. This allowed the frequency of vortex shedding

to be calculated, and for comparison between simulated and

experimental data.

Role:

. Analysed various fluids (High Reynolds number and Low Reynolds number)

in backward facing step geometry using ANSYS 12 commercial code Fluent

. Monitored the sudden changes in the fluid path, which is the main

concern of pipe designing in both gas and oil companies

ACADEMIC PROJECT

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Title: MS Project: Analysis of Transient heat conduction & convective

heat transfer and flow pattern around a cylinder in

isolation and tube array in staggered pattern

Role:

. Carried out:

o Research using ANSYS (Fluent) to simulate the conjugate heat transfer

around cylinder

o Computational Fluid dynamics analyses using commercial CFD

applications

o CFD analysis including geometry clean-up, model building (meshing),

problem formulation, results presentations, written reports and

effectively communicated the significance of solution on hand

o Transient CFD analysis to predict flow field and conjugate heat

transfer

o Study of transient heat conduction equation in cylindrical co-ordinate

with convective boundary condition by analytical method and crank-

Nicolson implicit scheme

ACADEMIC DETAILS

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. M.Sc. in Mechanical Engineering from University of Newcastle upon

Tyne, UK in 2011 with 2:1 (Merit)

. B.Tech. in Mechanical & Automation Engineering from Amity University,

Noida, India in 2009 with First Division

Certification:

. Hypermesh certification

IT SKILLS

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. Conversant with:

o Microsoft Office (Word, Excel, PowerPoint), ANSYS Fluent, OpenFoam,

LIGGGHTS, CFDEM(Coupled CFD+DEM)

o STAR-CCM, Mat lab, FINEL(finite element software), Maple, Latex,

Labview, Simulink and AutoCAD, C, Fortran and Unix/Linux

PERSONAL DETAILS

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Date of Birth: 28th May 1986

Address: #11, green leaf extension, Koramanagala 4th block,

Bangalore

Location Preference: Pune, Bangalore, Mumbai & Delhi

Languages Known: English, Hindi & German

ANNEXURE

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Title: Conjugate Heat Transfer Analysis of a Reactor with

Calcination Modelling of Powder Placed Inside

Description: The objective of the calcination model was to calculate

the total mass of the solids and gases. The rate of reaction was

given as source term by user coding. Treated powder was treated

as porous media, solids as passive scalars and gases as active

scalars. Capably solved a scalar transport equation for the

temperature of solid powder and heat transfer between powder and

air i.e. conduction, convection and radiation was modelled, heat

of reactions (endothermic/exothermic) were given as sink/source

term and varying thermal diffusivity was given through user

code, radiative heat transfer was activated and finally the

model was validated with the data given by the client. Skilfully

completed the CHT- Calcination model coupling by integrating the

model in the original domain which had fluid and structure part.

Title: Static Wall Film Model Development

Description: The scope of this model was to simulate the condensation

of steam at the wall and to measure the wall film thickness as

required by the client. Skilfully solved scalar transport

equation for steam and rate of condensation was given as source

term to scalar transport equation and other equations.

Title: Simulation of Powder Flow in a Rotating Kiln

Description: The objective of the study was to validate the powder flow

for different range of Froude number and filling degrees.

Skilfully developed a code for powder viscosity, which was the

function of pressure, angle of friction and strain rate and

validated the flow of powder in a rotating kiln for different

regimes. Successfully used volume of fluid (VOF) and Drift flux

model (DFM) for this study.

Title: Power Inverter Cooling Analysis

Description: The traction inverter had an IGBT with conical fins for

enhanced heat transfer. It also had a DC capacitor and other

PCB's and components. The IGBT heat dissipation is 3.25 kW.

Other components emit a total heat of ~90 W. Accountable for

mounting assembly inside a housing that is exposed to an ambient

at 105?C.The IGBT is cooled by ethylene-glycol coolant. The

objective of the project was to perform conjugate heat transfer

and thermal stress analysis to find out temperature distribution-

Stresses that develop in inverter components due to heat

dissipation. Capably calculated pressure drop across inlet and

outlet for a given flow rate. Computed the safety margin of the

components like IGBT, sensor boards, capacitor case, bus bar and

etc. Carried out a parametric study of varying coolant flow rate

on different performance parameters.

Title: Data Center Cooling Analysis

Description: A 3D CFD model of the temperature and airflow conditions

in the existing data center provides a baseline visualization of

the data center temperature and airflow patterns and identifies

excessive temperatures and restricted airflows that can

compromise reliability and the availability of equipment.

Carried out predictive impact analysis of new high density loads

simulates causality situations that allow the data center

operator to model the results of planned modifications or

investigate potential failure modes within the data center.

Provided recommendations to optimize the cooling infrastructure

identify methods to maximize the cooling effectiveness of the

data center.

Title: Jet fan Ventilation in Car Parks

Description: Without jet fan analysis to find out the dead zones. The

purpose of this simulation was to identify the best possible

location for the jet fans, and to facilitate thorough

ventilation coverage throughout. Carried out the analysis to

study the fire and smoke propagation with respect to time, find

the evacuation time and best possible smoke evacuation path.

Carried out visibility analysis during the fire.

Title: Analysis of Fluid- Structure Interaction under Seismic

Excitations (3d seismic induced sloshing)- Tutorial for the

Client Support

Description: The purpose of the project was to simulate the sloshing

and structural deformation in a cylindrical vessel, which was

partially filled with water and the top part was open to

atmosphere. The bottom surface of tank was subjected to seismic

excitation in lateral X direction. VOF was used to simulate the

sloshing. FSI cases involve deformation of structural mesh;

remeshing conditions were used to prevent the outer boundaries

of fluid mesh from changing.

Title: Validation of Weir Flow Analysis

Description: The scope of the project was to simulate the frequency and

amplitude sloshing of the free surface of a liquid and the weir

displaced due to FSI and to validate the simulation with Fujita

et al (1996).

Title: Validation of TNT explosion in a cylindrical T-tunnel and in

open atmosphere

Description: The scope of the study was numerically validate the

overpressure generated by solid TNT explosive in a T- tunnel of

cylindrical cross section and in the open atmosphere. Used JWL

model to simulate the study and the open atmosphere TNT

explosion was validated with Hansson et al results.

Title: Simulation of Silt removal in a Desilting chamber

Description: The scope of the project was to calculate the spatial and

temporal variation flow velocity and silt volume fraction. The

cumulative deposition of the silt was calculated. Used open

source module CFDEM coupled with OpenFoam (CFD code) and

LIGGGHTS (DEM code).[pic]

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