Journal Publications:

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1. Mona, Teja, Ravi Gujjula, Narasimha Mangadoddy Prediction of solid circulation rate in an internally circulating fluidized bed: An empirical and ANN approach "Flow Measurement and Instrumentation"2022.

2. A. Srinivas Rao, P.PhanibushanRao, Ravi Gujjula, Charan "The characteristics of the heat source and chemically radiative MHD boundary layer slip flow of a Casson fluid over an exponentially elongating sheet" Lecture Notes in Mechanical Engineering, 2021 

3. Sai Sarath K, Rayapati Subbarao, Dakshina Murthy Inturic, Ravi Gujjula “Influence of Heat Treatment on Mechanical and Micro Structural Properties of Titanium Alloys for Enhanced Applications” Materials Today: Proceedings, 18th Oct 2017. DOI

4. G.B Dharma Rao, Ravi Gujjula “Green approach towards the synthesis of 3-substituted-5-carbonyl methyl-1,2,4- oxadiazoles without any solvent and catalyst via transamidoximation. Int. J. Adv. Res. 2016, 4(9), 416-422. DOI

5. .Ravi Gujjula and Mangadoddy, N (2015) Experimental investigation of hydrodynamics of gas-solid flow in an internally circulating fluidized bed. Canadian Journal of Chemical Engineering, 93 (8). pp. 1380-1391. ISSN 0008-4034, DOI

6. Haritha, K and Burte, N P and V, Prasanna and Ravi Gujjula (2015) Extraction and elemental analysis of Coleus forskohlii extract. Pharmacognosy Research, 7 (3). pp. 237-241. ISSN 0976-4836 DoI

7. Ravi Gujjula and Mangadoddy, N (2015) Hydrodynamic Study of Gas-Solid Internally Circulating Fluidized Bed Using Multi-Phase CFD Model. Particulate Science and Technology. ISSN 0272-6351, DOI

8. Ravi Gujjula and Mangadoddy, N (2015) Prediction of Solid Re-circulation Rate and Solid Volume Fraction in an Internally Circulating Fluidized Bed. International Journal of Computational Methods. ISSN 0219-8762 DOI

9. Indrapal Reddy A. Ravi Gujjula, Makam S, Shreya Nyapati and Ravinder Rudravaram (2015)Production and Optimization of Xylanase from Penicillium species in Solid-State Fermentation.Int. J. Rec. Biotech. 2015, 3 (2): 15-21. ISSN: 2322 – 0392 DOI

10. Vakamalla, T R and Kumbhar, K S and Ravi Gujjula and M, Narasimha (2014) Computational and experimental study of the effect of inclination on Hydrocyclone performance. Separation and Purification Technology, 138. pp. 104-117. ISSN 1383-5866 DOI

11. Pogaku, Ravindra and Raman, J K and Ravi Gujjula (2012) Evaluation of Activation Energy and Thermodynamic Properties of Enzyme-Catalysed Transesterification Reactions. Advances in Chemical Engineering and Science, 2 (1). pp. 150-154. ISSN 2160-0392 DOI

12. Haritha Yadav, K C and Ravi Kumar, J and Basha, S I and Deshmukh, G R and Ravi Gujjula and Santhamma, B (2012) Wound healing activity of topical application of Aloe vera gel in experimental animal models. International journal of pharma and bio sciences, 3 (2). P63-P72. ISSN 0975-6299

13. Suchitra.K, Ravi Gujjula, Ravindra Pogaku "Studies on Bio-Reduction of 3,4,5-TMB Acid to3,4,5-TMB Aldehyde" Journal of.AP.Academy of Science Vol 22 PP 293-298, 2002.

14. Teja Reddy Vakamalla, V Bhadrarao Koruprolu, Rakesh Arugonda, Ravi Gujjula, Narasimha Mangadoddy,  Design of Efficient Hydrocyclone for Ultra-Fines Classification Using Multi-Phase CFD Model, Minerals Engineering 

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International Conference presentations:

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1. Ravi Gujjula, Suchitra.K, Ravindra P. "Enzymatic reduction kinetics of 3,4,5-TMB Acid to 3,4,5-TMB Aldehyde" in the Proceedings of an International Conference on New Horizons in Biotechnology NHBT-2001, April 18-21, 2001, Trivandrum, INDIA..

2. Participated in an International Symposium on Recent and Emergent Advances in Chemical Engineering (REACH) being organized from December 2nd-4th, 2010 by the Department of Chemical Engineering, IIT Madras. 

3. Participated in an Innovation Educators' Conference -2011 is being organized from 29th-30th April 2011, ISB (Indian School of Business), Hyderabad.

4. Ravi Gujjula, Narasimha Mangadoddy, PST Sai “Hydrodynamic study on Internally Circulating fluidized bed with draft tube” Presented a paper in Summer School on “EFFICIENT FOSSIL ENERGY TECHNOLOGIES” Organized by IIT Guwahati & The University of Nottingham, UK, July 4th – 10th, 2011.

5. Ravi Gujjula, Narasimha Mangadoddy, and PST Sai, “Simulating gas-solid flow patterns in an internally circulating fluidized bed with draft tube”  XII International Conference on Mineral Processing Technology MPT-2011, Udaipur, Rajasthan, INDIA during 20-22 October 2011.

6. Ravi Gujjula, Narasimha.M, PST Sai. "CFD modeling of gas-solid flow and its patterns in an ICFB with a draft tube" IVth International Congress on Computational Mechanics and Simulation (ICCMS2012)- IIT Hyderabad, 10-12 December 2012. 

7. Ravi Gujjula, Narasimha.M, PST Sai. “Prediction of solid recirculation rate and solid volume fraction in an ICFB”. 5th Asia pacific congress on computational mechanics & 4th international symposium on computational mechanics 10-14th, Dec. 2013, Singapore.

8. Ravi Gujjula, Narasimha.M, “Hydrodynamics study of gas-solid flow patterns in an internally circulating fluidized bed with a draft tube”, 11th International Conference on Fluidized-bed Technology, PP 167-173, 14-17th May 2014, Beijing, China. 

9. Dipesh Thapa, SaiSarath K , Ravi Gujjula,  Inturi Dakshinamurthy “CFD simulation studies on flow visualization and  drag estimation for different geometrical objects” International Conference on Computer-Aided Engineering (CAE-2015) Department of Mechanical Engineering, GITAM University, School of Technology, Hyderabad, India, December 10-12, 2015

10. Priyanka K, Ravi Gujjula “CFD simulation studies on drag estimation and flow visualization for various geometrical objects”  International Conference on TREND SETTING INNOVATIONS IN CHEMICAL SCIENCES & TECHNOLOGY – APPLICATIONS IN PHARMA INDUSTRY TSCST-API 2015, UNDER TEQIP-II, 16 -18 DECEMBER, 2015 INSTITUTE OF SCIENCE & TECHNOLOGY JNTUH, HYDERABAD.

11. K. Priyanka, Ravi Gujjula, T. BalaNarsaiah, Narasimha Mangadoddy "Measurement of pressure-flow curves and solid circulation rate in an ICFB”  Proceedings of International Conference on Trendsetting innovations in chemical sciences & Technology-Applications in Pharma Industry (TSCST-API 2015),16-18, December 2015, CCST, IST, JNTUH, Hyderabad, pp 139-144, Spectrum publications, (ISBN: 978-93-82829-48-5)

12. M S Varun, Nandan and L.Tarun  Ravi Gujjula “Interpreting the residues of hydrocarbons in wildlife/aquatic life tissues” 68th Annual Session of Indian Institute of Chemical Engineers, 27-30 December, Guwahati, India.

13. Sai Sarath K, Rayapati Subbarao, Dakshina Murthy Inturic, Ravi Gujjula “Influence of Heat Treatment on Mechanical and Micro Structural Properties of Titanium Alloys for Enhanced Applications” International Conference on Advancements in Materials for Manufacturing, June 26th to 28th, 2016, Hyderabad.

14. Srinivas Tadepalli and  Ravi Gujjula. "Removal of copper and cadmium using industrial effluents in continuous column studies by the mixed adsorbent,  " International Conference on Advances in the Field of Health, safety, fire, environment, allied sciences and Engineering (HSFEA 2016), November 18-19, 2016, UPES, Dehradun.

15. Ravi Gujjula, Priyanka. K, Narasimha.M, Bala Narasaiah “Effect of particle size on the hydrodynamics of an internally circulating fluidized bed with a draft tube” 12th International conference on Fluidized-bed Technology, 22-27th May 2017, Krakow, Poland.

16. Ravi Gujjula, Narasimha.M, CFD-DEM coupling studies on Hydrodynamics of Internally Circulating Fluidized-bed with a draft tube, IFSA 2019, Industrial Fluidization South Africa, 4-5th October 2017.

17. M. Durga Prakash & Ravi Gujjula Electrospun Multiwall Carbon Nanotube-Embedded SU-8 Nanofibers: Preparation and electrical Characterization 25th Electronics Packaging Technology Conference, 5th -8th , December 2023, Singapore