MECHANICAL ENGINEERING
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Project highlights

Numerous projects related to Numercial Simulation of Complex Flows with Laminar to Turbulent Transition, Kinetic energy recovery system for two wheelers, Laser induced ignition system for IC engines, E-Pilot, Wind turbine driven generator for vehicles, Design and development of humanoid robotic head and many others which have been funded externally as well as internally have been successfully completed.

Project Title

Numercial  Simulation of Complex Flows with Laminar to Turbulent Transition

Principal Investigator

Prof. Sekhar Majumdar.

Agency

Visvesvaraya Technological University

Amount in Rs

Rs 7,42,000/-

Objective

The major focus of the work is to choose appropriate mathematical models & to implement the same in a robust Navier-Stokes code RANS3D, already developed by the present Principal Investigator under a previous NRB Project and widely validated for fully turbulent two- and three-dimensional boundary layer flows. The first objective was to understand the complex physics of the laminar to turbulent process for incompressible flows from the existing literature on theory and specially the measurement based correlations (special mention may be made of Abu Ghanam and Shaw’s paper of 1980 Journal of Engg. Science) established for laminar to turbulent transition of non-separated boundary layer flows. These algebraic correlations, used for prediction of the point of inception of transition and the spatial distribution of intermittency, are thereafter appropriately coupled to all the six turbulence models already validated for fully turbulent flows in the code RANS3D. Finally the correlation-based transition models are validated against measurement data on relevant test cases for flat plates (specially the famous measurement data of Dhawan&Narasimha reported in JFM in 1958) under wide range of pressure gradients and levels of free stream turbulence, reported by the reputed European Research Agency ERCOFTAC in unclassified literature.

Duration

Mar 2010-Dec 2012




Project Title

Modeling and Simulation of Transitional Flows

Principal Investigator

Prof. Sekhar Majumdar.

Agency

Naval Research Board

Amount in Rs

21,15,000/-

Objective

This project focuses mainly to extend the correlation based as well as semi empirical multi-equation transition-turbulence models for accurate prediction of general three-dimensional flows with separation leading to recirculating vortices. The Three Equation Transition Model based on Laminar and Turbulent Kinetic Energy equations is analysed in details to understand the complex physics of the laminar to turbulent process for separated flows. The model can handle flows with both natural and bypass transition. The mathematical model of transition is then coupled to an existing unsteady RANS solver RANS3D developed in-house. Finally the transition models are extensively validated against measurement data on variety of test cases reported by ERCOFTAC in unclassified literature – flow past aerofoils, flow past circular cylinder and unsteady 3D flow past a prolate spheroid.

Duration

Sep 2011-Dec 2014




Project Title

Modeling and Analysis of Fluid Behavior in Centrifugal Casting

Principal Investigator

Prof. P G Mukunda

Agency

Visvesvaraya Technological University

Amount in Rs

Rs 8,60,000/-

Objective

It is very well known fact that the metal casting processes are complex problems that combine different physical phenomena such as fluid flow, heat transfer and phase change evolution which are difficult address by simple routes. It is clear that various casting variables, such as mould rotation speed, superheat and materials/alloys are expected to influence the flow patterns and solidification process occurring in centrifugal casting machine. The natural convection flow in the liquid or the melt region is to be solved and coupled with the transport process in the solid state. It is in this context, the present work focuses on examination of fluid flow phenomena in centrifugal casting, since it is critical in determining its quality. A large number of experimental studies have been conducted to understand the physics involved during this process.

Duration

Jan 2010-Dec 2012




NMIT- IEDC Funded Projects 2010-2011

Project ID

NI103

Project Title

Kinetic energy recovery system for two wheelers

Faculty/ Mentor

Mr. Balaram E, Mr. Madhusudhan

Student Team

Mr. Appanna N K, Mr. Niren P K, Mr. Nishanth N Bhat, Mr. Pawan S

Project objectives

  • To develop a prototype of a kinetic energy recovery system for two-wheelers
  • To evaluate the commercial potential for kinetic energy recovery systems

 

Innovation
The proposed system utilizes the BLDC (Brushless Direct Current Motor) technology. The system includes a sealed lead acid battery to store the recovered energy. A complex controller is used for the BLDC motor to cope up with the reverse flow of energy during transition from motoring regime to regenerative braking. The energy recovered from regenerative braking is used in aiding the convectional internal combustion engine while functioning as a parallel hybrid vehicle.

Concept and Product

     
 
     


Project ID

NI105

Project Title

Two wheeler drive bike

Faculty/ Mentor

Prof. Desai Gowda, Dr. Sudheer Reddy

Student Team

Mr. Keerthi Sagar, Mr. Nithin P G, Mr. Keerthi D N, Mr. Bharath Kumar A

Project objectives

  • To fabricate a prototype of a Two Wheel Drive Bike
  • To conduct a market assessment for Two Wheel Drive Bikes

Concept and Product




2011-2012

Project ID

NI111

Project Title

Design of a piezo-ceramic and thermo electric energy harvester for a multi-cylinder engine

Faculty/ Mentor

Dr. P G Mukunda, Prof. Desai Gowda

Student Team

Mr. Vinay Vasudevan, Mr. Manoj N Bharadwaj, Mr. Nithin P G

Project objectives

The project envisages the development of a prototype of a laser ignition source has the potential of improving engine combustion as compared to conventional spark plugs. The secondary objective relates to testing of the developed system in contemporary engines and evaluating their performance in partnership with commercial manufacturers of IC engines.

Concept and Product




Project ID

NI113

Project Title

Laser induced ignition system for IC engines

Faculty/ Mentor

Dr. P G Mukunda

Student Team

Mr. Anirudh Pise

Project objectives

The project envisages the development of a prototype of a laser ignition source has the potential of improving engine combustion as compared to conventional spark plugs. The secondary objective relates to testing of the developed system in contemporary engines and evaluating their performance in partnership with commercial manufacturers of IC engines.

Concept and Product




Project ID

NI123

Project Title

Petrol Electrical Hybrid kit

Faculty/ Mentor

Dr. Kiran Aithal S, Mr. Chethan K S

Student Team

Mr. Shivacharan, Mysore Shekhar, Mr. Kushal K R

Project objectives

To resolve the problems such as financial hindrance towards energy costs, pollution and lack of range in the existing Electric Vehicles by improvising with the available technology and delivering an efficient solution quickly.

Concept and Product




Project ID

NI124

Project Title

High speed propane powered turbokart

Faculty/ Mentor

Mr. Charan Kumar, Mr. Sunil Kumar H S

Student Team

Mr. Abhishek Patil, Mr. Mahesh Kumar, Mr. Karthik Krishna

Project objectives

Application of the gas turbine technology will be made using a turbocharger to propel the kart. The engine will coupled to the chassis at the rear end of the kart and will propel the kart using the principle of jet propulsion. Safety measures such as an electronic safety system will be incorporated into the construction to prevent accidents.

Concept and Product




Project ID

NI125

Project Title

High speed propane powered turbokart

Faculty/ Mentor

Mr. Charan Kumar, Mr. Sunil Kumar H S

Student Team

Mr. Abhishek Patil, Mr. Mahesh Kumar, Mr. Karthik Krishna

Project objectives

Application of the gas turbine technology will be made using a turbocharger to propel the kart. The engine will coupled to the chassis at the rear end of the kart and will propel the kart using the principle of jet propulsion. Safety measures such as an electronic safety system will be incorporated into the construction to prevent accidents.

Concept and Product




2013-2014

Project ID

NI131

Project Title

Wind turbine driven generator for vehicles

Faculty/ Mentor

Dr. Sudheer Reddy, Mr. Charan Kumar D

Student Team

Mr. Shashikant Bhattacharya, Mr. ShivamKashyap, Mr. ArkaAGanguly, Mr. Sharran Vishal

Project objectives

Designing of a wind turbine powered vehicle, which can utilize energy from the impinging environmental air and converting it into electrical energy.
With ever increasing fuel prices and global warming, this technology can prove to be the answer to the future vehicle which is completely green and at the same time efficient

Concept and Product




Project ID

NI132

Project Title

Auto Gear kit

Faculty/ Mentor

Dr. Kiran Aithal, Mr. Harish N

Student Team

Mr. S Raghavamgod, Mr. Shreesha  N, Vinay Kumar H, Mr. Vishwas KM

Project objectives

  • To fabricate the kit.
  • To test the kit on various bike models.
  • Commercialize the kit with the help from industry.

 

Innovation
This product is going to be the first of its kind. During the literature survey we have not found a product like this and hence this is going to be a unique and innovative product.

 

Concept and Product




Project ID

NI134

Project Title

Development of roller based water tank

Faculty/ Mentor

Dr. Sudheer Reddy

Student Team

Mr. Syed Masood, Mr. Prajwal D Rai, Mr. Sathwik I, Mr. Vaibhav G B

Project objectives

  • To incorporate multiple engineering skills making  product ingenious and cost effective
  • To design a bearing based mechanism to reduce splashing of water and pulling load
  • To use effective manufacturing and marketing skills to make the product readily accessible to people in need.

 

Concept and Product




Project ID

NI136

Project Title

Design and development of humanoid robotic head

Faculty/ Mentor

Dr. Jharna Majumdar, Mr. Sunil Kumar H S

Student Team

Mr. Sathwik I, Mr. Syed Masood, Mr. Prajwal D Rai, Mr. Vivek Kumar Gupta

Project objectives

  • To design and fabricate human look alike robotic head.
  • To incorporate multiple degrees of freedom in small space.
  • To use Smart materials or Shape memory alloys as actuators for Lips and Eyebrows.

To design kinematic linkage mechanisms that can emulate Human facial expressions

Concept and Product




2014-2015

Project ID

NI141

Project Title

Ergonomic podium (ERGOPOD)

Faculty/ Mentor

Mr. Sunil kumar, Mr. Prashanth

Student Team

Brijesh and team

Project objectives

A Podium is an elevated platform which will aid the public speakers to deliver their speeches. It should not be confused with the Podiums used in sports for athlete standing. Most of the podiums which are available in the market have inherent problems associated with them and our product “ERGOPOD” will try to address most of these problems. ERGOPOD will also come with many additional features which are missing in conventional podiums.

Concept and Product




Project ID

NI142

Project Title

Solar PV powered refrigerator

Faculty/ Mentor

Dr. Madhusudhan  A, Mr. Charan Kumar D

Student Team

Suman Saurabh and team

Project objectives

A solar-powered refrigerator is a refrigerator which runs on energy directly provided by sun, and may include photovoltaic or solar thermal energy.Solar-powered refrigerators are able to keep perishable goods such as meat and dairy cool in hot climates, and are used to keep much needed vaccines at their appropriate temperature to avoid spoilage.

Concept and Product




Project ID

NI143

Project Title

Electrical Power Generation using a Speed Breaker

Faculty/ Mentor

Mr. Vinayaka N, Dr. Desai Gowda H S

Student Team

Pavan Kumar AV and team

Project objectives

To Generate Electrical Power by Implementation of an Integrated Electro Mechanical unit on one way busy roads as a substitute for road humps.The Electro Mechanical Unit  proposed is the first of its kind to be ntroduced in India which includes the Flywheel, which serves as an energy storage device and helps in continuous self sustained power generation by driving the generator shaft even when there is no travel of vehicle on the inclined plate for a small time period over a period of actuation when implemented on one way busy roads  for any weather conditions, for any speed of vehicle, for any vehicle carrying load considering with and without passenger weights  and for any time of contact continuously throughout the year.

Concept and Product


Awards for students projects

Higher education minister R.V Deshpande made a surprise visit to the NitteMeenakshi institute of technology, Bangalore. He interacted with the students who invented prototype of small flexible car in a suitcase,Micro car and Formula-1 car. He appreciated the work and gave away the appreciation certificates for the students and the work was published in almost all the leading newspapers and TV Channels.

 
     

Project Titled ‘THREE WHEELED PERSONAL TRANSPORT VEHICLE’ was selected for JED-I competition 2015(1 among 30 participated projects).

The students vishwasKM,Mallikarjun LG and AmritNahata exhibited poroject titled “Design & Development of Segropactor” in QUEST INGENIUM 2015 and selected in Top10 team list

 
     
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