Dr. V. Rajesh Khana Raju

Associate Professor

Department of Mechanical Engineering

National Institute of Technology, Warangal - 506004, Telangana, INDIA

: vrkraju@nitw.ac.in

: 0870246 2316

Interests: Fluid Dynamics; Heat Transfer; CFD; Combustion; Microfluidics


 Area of Interest

Fluid Dynamics; Heat Transfer; CFD; Combustion; Microfluidics

 

Course Taught Previously

 

  1. Fluid Mechanics
  2. Thermodynamics
  3. Computational Fluid Dynamics
  4. Refrigeration and Air Conditioning
  5. Optimization Methods in Engineering
  6. Renewable Energy Sources
  7. Engineering Graphics
  8. Convective Heat Transfer

Publications

 

Publications:

Journal Publication

  1. 1. Raju, V.R.K., Bhattacharyya, S.N. “Stability of cylindrical Couette flow in the presence of an oscillating axial magnetic field”, Physical Review E 78, 036316 (2008). SCI

 

  1. Raju, V.R.K., Bhattacharyya, S.N. “Onset of thermal instability in a horizontal layer of fluid with modulated boundary temperatures”, Journal of Engg. Mathematics 66, no.4, 343-351 (2010). SCI

 

  1. Raju, V. R. K., “Taylor vortices in the flow between two coaxial cylinders one of which has a step change in radius”, Fluid Dyn. Res. 46 (2014) 015506. SCI

 

  1. Azad, D., Raju, V. R. K., Ramji, K., “Fault Diagnosis of Hot Metal Ladle Systems Using Infrared Thermography”, Asset Management & Maintenance Journal 26, no.6, 26-31 (2013).

 

  1. Raju, V.R.K., “Stability of two axially superposed fluids of different viscosities between two rotating cylinders”, Journal of Applied Fluid Mechanics, Vol. 9, No. 3, pp. 1247-1253, 2016. SCI

 

  1. G.Prabhakara Rao, Abdul rahman, Aasrith K, V.R.K.Raju, S.S.Rao "Parametric Optimization Through Numerical Simulation of VCR Diesel Engine", Journal of The Institution of Engineers (India): Series C. Series C, August 2017, Volume 98, Issue 4, pp 485–491. SCOPUS

 

  1. G.Prabhakara Rao, Kiran Prasad Ch,V.R.K.Raju, S.S.Rao. Parametric Study and Optimization Using RSM of DI Diesel Engine for Lower Emissions", Journal of the Brazilian Society of Mechanical Sciences and Engineering, March 2017, Volume 39, Issue 3, pp 671–680 (SCI)

 

  1. G.Prabhakara Rao, Vipin Dhyani, Deepak Kumar, V.R.K.Raju, S.S.Rao “Investigating optimal operating parameters of DI diesel engine - A CFD approach using CONVERGETM”, World Journal of Engineering 13.4 (2016): 356-363. ESCI

 

  1. G.Prabhakara Rao, V.R.K.Raju, S.S.Rao. Effect of Fuel Injection Pressure and Spray Cone Angle in DI Diesel Engine using CONVERGETM CFD Code. Procedia Engineering Volume 127, (2015), Pages 295–300. SCOPUS

 

  1. S. V. B Vivekanand, V.R.K.Raju, Simulation of Evaporation Heat Transfer in a Rectangular Microchannel, Procedia Engineering, Volume 127, (2015), Pages 309–316. SCOPUS

 

  1. Manoj Kumar N, V. R. K. Raju, Numerical Simulation of Rod-Climbing Effect in Newtonian Fluids, Procedia Engineering, Volume 127, (2015), Pages 405–412. SCOPUS

 

  1. G.Prabhakara Rao, Kiran Prasad Ch, V.R.K.Raju, S.S.Rao, Computational Optimization of Biodiesel Combustion using Response Surface Methodology, Thermal Science, 2017, Vol. 21, No. 1B, pp. 1-9. SCI Expanded

 

  1. Abhay Lingayat, Chandramohan V.P., V.R.K. Raju, Design, Development and Performance of Indirect Type Solar Dryer for Banana Drying, Energy Procedia 109 ( 2017 ) 409 – 416. SCOPUS

 

  1. G. Arunsandeep, Abhay Lingayat, Chandramohan V.P., V.R.K. Raju, Numerical solution and it's analysis during solar drying of green peas", Journal of The Institution of Engineers (India): Series C: Series C 99 (5), 571-579. SCOPUS.

 

  1. G Arunsandeep, A Lingayat, VP Chandramohan, VRK Raju, KS Reddy, A numerical model for drying of spherical object in an indirect type solar dryer and estimating the drying time at different moisture level and air temperature, International Journal of Green Energy (2018), Vol. 15, no. 3, 189–200 . SCI Expanded

 

  1. Prabhakara Rao Ganji, Rudra Nath Singh, V.R.K.Raju, S.Srinivasa Rao, Design of piston bowl geometry for better combustion in direct injection compression ignition engine, Sadhana (2018) 43 (6), 92. SCI Expanded

 

  1. Abhay L., Chandramohan V.P., Raju V.R.K., Numerical analysis on solar air collector provided with artificial square shaped roughness for indirect type solar dryer. Journal of Cleaner Production 190 (2018) 353-367.
  2. Satyapal Yadav, Abhay Bhanudas Lingayat, V.P. Chandramohan, V. R. K. Raju, Numerical analysis on thermal energy storage device to improve the drying time of indirect type solar dryer. Heat and Mass Transfer (Accepted)

 

  1. S.V.B. Vivekanand V.R.K. Raju, Numerical study of the hydrodynamics and heat transfer characteristics of liquid-liquid Taylor flow in microchannel. Heat Transfer-Asian Research 2018; 47:794–805.

 

  1. Siva Prasad Kattela, S. Srinivasa Rao & V. R. K. Raju (2018), Comparative study on single-injection and pilot-injection strategies for DI CI engine fuelled with the butanol/diesel blend, International Journal of Ambient Energy, DOI: 10.1080/01430750.2018.1507936

 

  1. Siva Prasad Kattela, S. Srinivasa Rao & V. R. K. Raju (2018), Effect of n-butanol/diesel blends and piston bowl geometry on combustion and emission characteristics of CI engine
    Environmental Science and Pollution Research, Environmental Science and Pollution Research (Accepted).

 

Conference Publication

  1. Raju, V.R.K., Bhattacharyya, S.N., “Investigation of Taylor vortices between rotating inner cylinder and stationary stepped outer cylinder” International Conference on Computational Fluid Dynamics, Acoustics, Heat Transfer and Electromagnetics CFEMATCON-06, Visakhapatnam, India, July 24-25, 2006.

 

  1. Vishwakarma, S. K., Raju, V. R. K. and Rao, S. S., "Experimental Studies On The Performance Of A Modified Diesel Engine Operating In Homogeneous Charge Compression Ignition (HCCI) Combustion Mode Using Water-In-Diesel Emulsion", Frontiers In Mechanical Engineering (FIME 2013), MANIT-Bhopal, India, August 29-31, 2013.

 

  1. Raju, V.R.K., Mookherjee, S., and Sanyal D., “Static Performance Analysis of Direct Drive Valve with Actuator in Loop”, Proceedings of the Fortieth National Conference on Fluid Mechanics and Fluid Power, NIT Hamirpur, Himachal Pradesh, India, December 12-14, 2013.

 

  1. Vipin Dhyani, Deepak Kumar, Prabhakar, G., Raju, V. R. K., Rao, S. S., “Numerical Experiment of CI Engine Combustion Using CONVERGE Software”, National Conference on Fire Research and Engineering: FiRE 2014, IIT Roorkee, March 1&2, 2014.

 

  1. Prabhakara Rao, G., Vipin Dhyani, Deepak Kumar, Raju, V.R.K., and Rao, S.S., Numerical Investigation of the Effect of Compression Ratio on the Performance of Direct Injection Diesel Engine, Proceedings of the Fifth international and Forty first National Conference on Fluid Mechanics and Fluid Power, IIT Kanpur, , India, December 12-14, 2014.

 

  1. Abhay Lingayat, Arunsandeep G., Chandramohan V.P., V.R.K.Raju, Review on Design and Performance of Indirect Type Solar Driers, Proceedings of 2nd International Conference on Thermal, Energy and Environment, March 25&26, 2016, Kalasalingam University, Tamilnadu.

 

  1. Abhay Lingayat, Arunsandeep G., Razatkumar Naik, Chandramohan V.P., V.R.K.Raju, Temperature and Moisture Distribution of Spherical Object during Solar Drying: A Heat and Mass Transfer Numerical Model with Finite Difference Method, Proceedings of 2nd International Conference on Thermal, Energy and Environment, March 25&26, 2016, Kalasalingam University, Tamilnadu.

 

  1. Prabhakara Rao G, Arun Raj SR, Rudranath Singh, V.R.K.Raju, S.Srinivasa Rao, Numerical investigation of split injection on pongamia bio diesel blend, Proceedings of 2nd International Conference on Thermal, Energy and Environment, March 25&26, 2016, Kalasalingam University, Tamilnadu.

 

  1. Abhay Lingayat, Chandramohan V.P., V.K.R. Raju, Energy and Exergy Analysis of Solar Dryer System: Review, National Symposium of Mechanical Engineering Research Scholars, October 7th, 2016, at National Institute of Technology Warangal, India.

 

  1. Prabhakara Rao G, V.R.K.Raju, S.Srinivasa Rao, Prediction of Physical Properties for Pongamia Biodiesel used for Combustion Modeling, International Conference on Recent Trends in Engineering, Science and Technology 2016, 1 June 2016, Hyderabad, India.

 

  1. Prabhakara Rao G, V.R.K.Raju, S.Srinivasa Rao, Numerical Investigation on the Effect of Overall Equivalence Ratio on Combustion Characteristics of DI CI Engine, National Symposium of Mechanical Engineering Research Scholars, October 7th, 2016, at National Institute of Technology Warangal, India.

 

  1. Siva Prasad Kattela, Aditya B, Prabhakara Rao Ganji, V.R.K Raju, S. Srinivasa Rao, Performance and emission analysis of CI engine with butanol-diesel blends, 25th National Conference On Internal Combustion Engines and Combustion, Department of Mechanical Engineering, National Institute of Technology Karnataka , Surathkal, Mangalore, India, 15 - 17 December 2017.

 

  1. N.Manoj Kumar, V.R.K.Raju*, S.V.B.Vivekanand , APR 2018, “Stability of two-fluid stratified flow in a concentric cylindrical annulus with inner cylinder rotation”, International Conference on Thermal Analysis and Energy Systems.

 

  1. T Manoj Dundi, V. R. K. Raju*, V. P. Chandramohan, S. Chandrasekhar, Charul Gupta, APR 2018, “Numerical investigations on effect of dissimilar inlet velocities on mixing performance of a passive T-micromixer” International Conference on Thermal Analysis and Energy Systems.

 

  1. S. Chandrasekhar, V. R. K. Raju*, V. P. Chandramohan, T Manoj Dundi, Charul Gupta, APR 2018, “Effect of channel confluence angle on Magnetohydrodynamic mixing performance”, International Conference on Thermal Analysis and Energy Systems.

 

  1. Charul Gupta, V. R. K. Raju*, V. P. Chandramohan, S. Chandrasekhar, T Manoj Dundi, APR 2018, “Effect of MHD on inertial focusing: A numerical study”, International Conference on Thermal Analysis and Energy Systems.

 

PHDs Supervised

 

S.No.

Name of Student

Thesis Title/ Area of research

Completed / Ongoing

1.

G Prabhakar Rao

Combustion

Awarded

2.

SVB Vivekanand

Microfluidics

Ongoing

3.

T Manoj Kumar

Microfluidics

Ongoing

4.

Abhay Kumar Lingayat

Solar Drying

Ongoing

5.

S. Chandrasekhar

Microfluidics

Ongoing

6.

K. Siva Prasad

Combustion

Ongoing

7.

R. Shasidhar

Fluid Dynamics

Ongoing

 

 

Workshops/Conferences

 Workshop/SSTPs/Conference Organized

Advances in Computational Fluid Dynamics: Methods and Applications, 17th -19th October, 2013, Sponsored by TEQIP-II.

Two Week Main Workshop On Fluid Mechanics May 20, 2014 to May 30, 2014, National Mission on Education through ICT (MHRD, Govt. of India) at Nodal Center NIT Warangal.

 

Workshop/SSTPs/Conference Attended

 

S. No

Topic

Institute

Period

1

 2

 3

 4

ISTE workshop on "Introduction to research methodology"

 Faculty induction program

 Aakash for Education

  ISTE workshop on "Engineering Thermodynamics"

IIT Bombay

 NIT Warangal

 IIT Bombay

  IIT Bombay

25th June to 04th July, 2012

 July 2012

 November 10th and 11th  2012

 11th to 21nd December, 2012

 

Projects

 

S.No.

Title of Project

Funding Agency

Financial Outlay

Year of start & total period

Name of Pl. and other investigators

1.

 Experimental investigation of rod climbing effect

MHRD

2.8 lakhs

October 2012, one year

Dr. V. R. K. Raju

2.

 Centre for Sustainable Energy Studies

TEQIP-II

500 lakhs

December 2012, two year

One among thirteen members.

 

Awards and Honors

 

Additional Responsibility

 

     1. Time Table Incharge., Mechanical Engineering Department (2015-17)

     2. Heat Transfer Lab Incharge (2016- Till date)

     3. Member, Centre for Sustainable Energy Studies (TEQIP-II: CoE).

     4. Coordinator M.Tech.(Thermal Engineering)