FACULTY PROFILE

Dr. Naveen Mani Tripathi is an Assistant Professor in the Department of Mechanical Engineering at the Assam Centre of Rajiv Gandhi Institute of Petroleum Technology (RGIPT). Dr. Tripathi holds a Ph.D. in the pipeline design for multiphase flow from the Department of Mechanical Engineering at the Ben-Gurion University of the Negev, Israel. Subsequently, he completed his postdoctoral research from the Chair of Process System Engineering at Technical University of Munich, Germany, delving deeper into the multiphase pipeline flow design and characterization.

Prior to joining RGIPT, Dr. Tripathi served as a Particle Scientist at the GranuTools sprl, Awans, Belgium, where he worked on the Research & Development (R&D) and Applications of different Particle and Powder flow Characterization Instruments. Prior to this, he served as an Assistant Professor at IILM University (formally CET-IILM-AHL), Gr. Noida, Uttar Pradesh and Lovely Professional University, Phagwara, Punjab, in India.

Dr. Tripathi's research interests span Pipeline design for energy and process industries, thermo-fluid, multiphase fluid-particle flow, powder and granular rheology, material characterization and Additive Manufacturing. He is deeply passionate about leveraging innovative solutions to address critical challenges in these domains.

As a seasoned researcher, Dr. Tripathi has published impactful research articles in top peer-reviewed journals, international conferences, contributed to enlightening books. He is editor of books and Special Issues of peer reviewed Journals. With several national and international patents, he innovates in renewable energy, Agritech and product handling designs.

Dr Tripathi’s research has been recognized with different awards and fellowships such as Alexander von Humboldt Research Grant, Germany, best paper award, best reviewer award, etc. He is also the recipient of GATE Fellowship for master’s research; Graduate Record Examinations (GRE) for International Studies; Krietman Fellowship for PhD research; Research Mobility fund by TUM Germany; and Technical University of Munich Foundation Fellowship (TUFF) for postdoctoral research.

Dr Tripathi is member of many academic and scientific bodies such as Indian Institute of Chemical Engineers (IIChE), Natural Gas Society (NGS), Indian Society of Mechanical Engineers (ISME). He is voluntarily providing mentorship to different Startup Projects through Atal Incubation Centre and PRAN Foundation. He is editorial and scientific board member and reviewer for more than twenty peer reviewed international journals, publishers, and conferences.

In essence, Dr Tripathi's overarching goal is to bridge the gap between cutting-edge research and real-world applications, ultimately contributing to the advancement of technology and providing more sustainable and equitable future to the society. At RGIPT, he looks forward to mentoring the next generation of scholars and contributing towards the institute's academic and research mission.

                                                                           
       Personal Webpage
                                                                             
Education
Ph D 2019 Ben-Gurion University of the Negev, Beer-Sheva, Israel
M Tech 2014 Thapar University, Patiala, Punjab
B Tech 2010  Uttar Pradesh Technical University, Lucknow

 

Experience
June 2021 - Till Date Assistant Professor, Assam Energy Institute - a centre of RGIPT, Sivasagar
October 2020 - June 2021 Post-Doctoral TUFF Fellow, Technical University of Munich, Freising, Germany
April 2019 - September 2020 Particle Scientist, GranuTools SPRL, Awans, Belgium
July 2014 - February 2015 Assistant Professor, Lovely Professional University
July 2012 - June 2014 Teaching Assistant, Thapar University, Patiala
July 2011 – June 2012 Assistant Professor, CET-IILM-AHL, Greater Noida
July 2010 - June 2011 Lecturer, CET-IILM-AHL, Greater Noida
  • Pipeline Transportation of Oil and Gas
  • Piping Elements Codes and Standards
  • Defect Assessment and Pipeline Maintenance
  • Thermal Engineering
  • Fundamental of Mechanical Engineering
  • Welding Technology
  • Materials Science
  • Unit Operations
  • Universal Human Values
  • Community Internship
Research Interests
  • Pipeline design for Energy and Process Industries 
  • Thermo-fluid 
  • Fluid-particle multiphase flow
  • Powder and granules rheology
  • Additive Manufacturing
  • Material Characterization
Research Projects
  • Silica-Enhanced Alkaline Methods For Selective Carbon Capturing and its oilfield Applications: Experimental, Geo-Mechanical, Corrosion, and Simulation Aspects
    Agency: Rajiv Gandhi Institute of Petroleum Technology (RGIPT))
    Amount: 8.75 Lac
    Duration: 2021-2024
    Principal Investigator: Dr Tushar Sharma
    Co-Investigator: Dr N M Tripathi, Dr Vishnu C Nair, Dr Manjunath G L
  • Development of flow regime map for bends in positive pressure dense phase pneumatic conveying
    Agency: Rajiv Gandhi Institute of Petroleum Technology (RGIPT) under Seed Grant-New Faculty
    Amount: 9.95 Lac
    Duration: 2022-2024
    Principal Investigator: Dr N M Tripathi
  • Acceleration pressure drop and velocity profile investigation of dense phase pneumatic conveying
    Agency: TUFF Foundation, Technical University of Munich, Germany
    Research Grant (EUR): 39,312 (About 35.5 Lac INR)
    Duration: 2020-2021
    Principal Investigator: Dr N M Tripathi
Journal Publications

R. Ranjan, N. M. Tripathi*, D.J. Desai, A. Sharma (JUN-2024): Performance Enhancement of a Ge-Sn Co-Alloyed All-Inorganic Based Perovskite Solar Cell Using an Organic Hole Transport Layer, AIP Conference Proceedings, American Institute of Physics Publishing. (Accepted)

A. P. Agrawal, S. Ali*, N. M. Tripathi, P. Srivastava, R. Kumar (MAY-2024): Optimizing Structural Steel Spur Gear Design for Reduced Stress Concentrations in Industry 4.0 Using Finite Element Analysis, Recent Patents on Mechanical Engineering, Bentham Science. (Accepted)

R. Ranjan, S. Verma, N. M. Tripathi* (MAY-2024): The Organic HTL in highly efficient Germanium-Alloyed CsSnI3 Perovskite Solar Cell: A modelling and computational analysis, Physica Scripta, IOPscience, 99(6), 066010.

A. Ratsimba, A. Zerrouki, N. Tessier-Doyen, B. Nait-Ali, D. Andr ´e, P. Duport, A. Neveu, N. Tripathi, F. Francqui, G. Delaizir (MAR-2021): Densification behaviour and three- dimensional printing of Y2O3 ceramic powder by selective laser sintering. Ceramics Inter- national, Elsevier, 47(6), 7465-7474.

N.M. Tripathi*, D. Portnikov, A. Levy, H. Kalman (DEC-2019): Bend pressure drop in horizontal and vertical dilute phase pneumatic conveying systems. Chemical Engineering Science, Elsevier, 209, 115228-115247.

G. Lumay, N.M. Tripathi*, F. Francqui (NOV-2019): How to gain a full understanding of powder flow properties, and the benefits of doing so. ONdrugDelivery Mag., Frederick Furness, 102, 42-46. (1st & 2nd equal author contribution)

H. Kalman, N. Santo, N.M. Tripathi (NOV-2019): Particle velocity reduction in horizontal- horizontal bends of dilute phase pneumatic conveying. Powder Technology, Elsevier, 356, 808-817.

N.M. Tripathi*, F. Francqui, G. Lumay (OCT-2019): How does the thermal degradation influence the spreadability, packing dynamics, and electrostatic behaviour of metallic powder?. Additive Manufacturing Journal, AMSI, 1(3), 62-70.

H. Kalman, D. Portnikov, O.G. Gabrieli, N.M. Tripathi (SEP-2019): What do pneumatic conveying and hydraulic conveying have in common?. Powder Technology, Elsevier, 354, 485- 495.

N.M. Tripathi*, N. Santo, A. Levy, H. Kalman (MAR-2019): Experimental analysis of velocity reduction in bends related to vertical pipes in dilute phase pneumatic conveying. Powder Technology, Elsevier, 345, 190-202.

N. Santo, D. Portnikov, N.M. Tripathi, H. Kalman (NOV-2018): Experimental study on the particle velocity development profile and acceleration length in horizontal dilute phase pneumatic conveying systems. Powder Technology, Elsevier, 339, 368-376.

N.M. Tripathi*, N. Santo, H. Kalman, A. Levy (MAY-2018): Experimental analysis of particle velocity and acceleration in vertical dilute phase pneumatic conveying. Powder Technology, Elsevier, 330, 239-251.

N.M. Tripathi*, A. Levy, H. Kalman (MAR-2018): Acceleration pressure drop analysis in horizontal dilute phase pneumatic conveying system. Powder Technology, Elsevier, 327, 43-56.

R. Naveh, N.M. Tripathi, H. Kalman (NOV-2017): Experimental pressure drop analysis for horizontal dilute phase particle-fluid flows. Powder Technology, Elsevier, 321, 355-368.

N.M. Tripathi*, S.S. Mallick (AUG-2017): Pneumatic conveying of fly ash: Bend models investigation. Advanced Materials Proceedings, IAAM-VBRI, 02(08), 526-531.

N.M. Tripathi, A. Sharma, S.S. Mallick, P.W. Wypych (AUG-2015): Energy loss at bends in the pneumatic conveying of fly ash. Particuology, Elsevier, 21, 65-73.

K. Sharma, S. Singh, M. Yadav, S. Yadav, N.M. Tripathi (APR-2015): A review on the performance of the nanofluid based solar collectors-Solar energy. Asian Review of Mechanical Engineering, ELK, special issue, 151-165.

S. Singh, K. Sharma, K. Lal, N.M. Tripathi (APR-2015): To study the behaviour of nano refrigerant in vapour compression cycle-A review. International Journal of Research in Engineering and Technology, eSAT, 04(04), 648-652.

Conference Publications

N.M. Tripathi*, A. Levy, H. Kalman, (2024): Pressure Drops through bends at different orientations in dilute phase pneumatic conveying Systems. Powder Technology Conclave & Exhibition, Patiala, India, 06-08 March 2024, 63-64.

N.M. Tripathi*, R. Ranjan, A. Sharma (2023): Performance Enhancement of a Ge-Sn Co-Alloyed All-Inorganic Based Perovskite Solar Cell Using an Organic Hole Transport Layer. AIP Conference Proceeding of International Conference on Emerging Materials, Smart Manufacturing & Computational Intelligence (ICEMSMCI-2023), Hybrid Mode, Chitkara University, Punjab, India, 7-8 December 2023, Page No: 1-13, (Scopus indexed) (ISSN 1551-7616)

A. Neveu, N. M. Tripathi, F. Francqui, G. Lumay, O. Reigo (2020): Characterization of Powders Spreadability in the Framework of Additive Manufacturing Processes. Proceeding of 2020 Virtual AIChE Annual Meeting, San Francisco, California, USA, 16-20 November 2020. (Virtual conference) (Presentation only) (ISBN: 978-0-8169-1114-1)

A. Neveu, F. Francqui*, N. M. Tripathi (2020): Granular Material Characterisation at the Macroscopic Scale for the Validation and the Calibration of Numerical Models. Proceeding of 2020 Virtual AIChE Annual Meeting, San Francisco, California, USA, 16-20 November 2020. (Virtual conference) (Presentation only) (ISBN: 978-0-8169-1114-1)

A. Neveu*, G. Lumay, S. Pillitteri, F. Monsuur, T. Pauly, Q. Ribeyre, F. Francqui, N. Van-dewalle, N.M. Tripathi (2020): Physical characterization of blends containing mesoporous particles with a focus on electrostatic properties. Proceeding of 2020 AIChE Spring Meeting and 16th Global Congress on Process Safety, United States of America, 17-21 August 2020. (Scopus indexed) (Virtual conference) (Presentation only) (ISBN: 978-0-8169-1113-4)

N.M. Tripathi*, F. Francqui, G. Lumay (2020): Influence of humidity on powder spread- ability, packing dynamics, and electrostatic charge. Proceeding of Fraunhofer Direct Digital Manufacturing Conference: DDMC, Berlin, Germany, 23-June 2020, 286-292. (Virtual conference) (ISBN: 978-3-8396-1521-8)

N.M. Tripathi*, F. Francqui, G. Lumay (2020): Influence of relative air humidity on the flow property of fine powders. 3rd International Conference on Powder, Granule and Bulk Solids: Innovations and Applications (PGBSIA), Patiala, India, 26-28 February 2020, 63-68.

N.M. Tripathi*, F. Francqui, G. Lumay (2019): Physical characterization of powder blends with a focus on electrostatic properties. Blending and Segregation forum-EU, University of Twente, Enschede, Netherlands, 9-12 December 2019.

N.M. Tripathi*, F. Francqui, G. Lumay (2019): Characterizing the effect of flow aid additive on pharmaceutical powders. Pharmsci 360-American Association of Pharmaceutical Scientists (AAPS), San Antonio, USA, 3-6 November 2019, 3118-3124.

N.M. Tripathi, F. Francqui*, T. Pirenne, G. Lumay (2019): Measuring food powders electrical properties as a result of anti-static content. Proceeding of AIChE Annual Meeting, Orlando, Florida, USA, 8-15 November 2019. (Scopus indexed) (Presentation only) (ISBN:978-0-8169- 1112-7)

H. Kalman, D. Portnikov, O.G. Gabrieli, N.M. Tripathi (2019): What do pneumatic con- veying and hydraulic conveying have in common? Proceeding of 19th International Conference on Transport and Sedimentation of Solid Particles, Cape Town, South Africa, 24-27 September 2019, 203-210. (Scopus indexed) (ISBN: 978-83-7717-323-7)

G. Lumay, L.D. Smet, F.V.D. Gucht, F. Francqui, N.M. Tripathi* (2019): Quantifying flow- ing properties of Spray-dried powders before and after granulation. 9th International Granula- tion Workshop, Lausanne, Switzerland, 26-28 June 2019.

N.M. Tripathi, S. Bocquet, F. Francqui*, M. Brochu, G. Lumay (2019): Metallic powders thermal degradation: Influence on spreadability, packing dynamics and electrostatics. Proceeding of AMPM-Advances in Additive Manufaturing with Powder Metallurgy, Arizona, USA, 23-26 June 2019, 262-277. (ISBN: 978-1-7138-0338-6)

N.M. Tripathi*, N. Santo, H. Kalman, A. Levy (2018): Analysis of particle flow in vertical dilute phase pneumatic conveying. 35th Israeli Conference on Mechanical Engineering (ICME), Beer-Sheva, Israel, 9-10 October 2018.

N. Santo, N.M. Tripathi*, H. Kalman (2018): Particle velocity reduction in horizontal- horizontal bends of dilute phase pneumatic conveying. 35th Israeli Conference on Mechanical Engineering (ICME), Beer-Sheva, Israel, 9-10 October 2018.

N.M. Tripathi*, N. Santo, H. Kalman, A. Levy (2018): Experimental Analysis of Bend effects and Secondary Acceleration in Vertical Dilute Phase Pneumatic Conveying. 9th International Conference of Conveying and Handling of Particulate Solids (CHoPS), London, United Kingdom, 10-14 September 2018.

N.M. Tripathi*, H. Kalman, A. Levy (2018): Bend pressure drop analysis in dilute phase pneumatic conveying systems. 9th International Conference of Conveying and Handling of Particulate Solids (CHoPS), London, United Kingdom, 10-14 September 2018.

H. Kalman, N.M. Tripathi, O.G. Gabrieli, D. Portnikov (2018): The Effect of Fluid on Particles Conveying in Pipes. Proceeding of 8th World Congress on Particle Technology (AIChE), Orlando, Florida, USA, 22-26 April 2018. (Presentation only) (ISBN: 978-0-8169-1105-9)

H. Kalman, N.M. Tripathi, O.G. Gabrieli, D. Portnikov (2017): Phase diagrams for Pneumatic and Hydraulic Conveying. Proceeding of 18th International Conference on Transport and Sedimentation of Solid Particles, Prague, Czech Republic, 11-15 September 2017, 145-152. (Scopus indexed) (ISBN:978-83-7717-269-8)

N.M. Tripathi*, H. Kalman, A. Levy (2017): Analysis of Acceleration Pressure Drop in Dilute Phase Pneumatic Conveying. 5th International Symposium, Reliable flow of Particulate Solids (RELPOWFLO V), Skien, Norway, 13-15 June 2017.

N.M. Tripathi*, A. Levy, H. Kalman (2016): Initial acceleration pressure drop in dilute phase pneumatic system. 2nd International Conference of Powder, Granule and Bulk Solids: Innovations and Applications (PGBSIA), Jaipur, India, 1-3 December 2016.

Book Chapters

Md. R. Jafar*, N. M. Tripathi, M. Yadav, D.S. Nasato (APR-2024): Additive Manufacturing in the age of Industry 4.0 and beyond. Book: Advances in Pre- and Post- Additive Manufacturing Processes: Innovations and Applications, CRC Press, Taylor and Francis, Page No: 213-230 [eISBN: 978-1-003-42886-2; Print ISBN: 978-1-032-54987-3].

R. Ranjan*, D. Singh, V. Pandey, A. Sharma, A.S.K. Sinha, N. M. Tripathi* (APR-2024): A comprehensive review of the machining process: Unconventional as an alternative of conventional machining. Book: Advances in Pre- and Post- Additive Manufacturing Processes: Innovations and Applications, CRC Press, Taylor and Francis, Page No: 163-195 [eISBN: 978-1-003-42886-2; Print ISBN: 978-1-032-54987-3].

Satishkumar P, B. Haldar, N. M. Tripathi*, A. Sharma, D. J. Desai, V.K. Sharma, Seenivasan S, A. Babbar (APR-2024): Effect of Interlayer Temperatures and Heat Inputs on Porosity and Hydrogen Solubility in Wire Arc Additive Manufactured AA2618 Aluminium: A Comparative Study between Pulsed-MIG and CMT Methods. Book: Advances in Pre- and Post- Additive Manufacturing Processes: Innovations and Applications, CRC Press, Taylor and Francis, Page No: 137-162 [eISBN: 978-1-003-42886-2; Print ISBN: 978-1-032-54987-3].

A.K. Singh*, M.H. Shakir, Siddhartha, S. Yadav, M. Yadav, N. M. Tripathi*, I. Fidan (APR-2024): Investigations on the Mechanical Characterization of Additively Manufactured Polymer Composite Materials Fabricated Via MEX. Book: Advances in Pre- and Post- Additive Manufacturing Processes: Innovations and Applications, CRC Press, Taylor and Francis, Page No: 64-77 [eISBN: 978-1-003-42886-2; Print ISBN: 978-1-032-54987-3].

Satishkumar P, R. Kumar, N. M. Tripathi*, A. Sharma, D. J. Desai, A. Verma, Natarajan N, A. Babbar (APR-2024): Integrating Titanium Coating with 3D-Printed GFRP Panels: An Innovative Approach to Harnessing Composite Strengths in Engineering Applications. Book: Advances in Pre and Post- Additive Manufacturing Processes: Innovations and Applications, CRC Press, Taylor and Francis, Page No: 18-38 [eISBN: 978-1-003-42886-2; Print ISBN: 978-1-032-54987-3].

A. Sharma, A. Babbar*, K. Singh, A. K. Singh, N. M. Tripathi, D. J. K. Desai (APR-2024): Effect of Minimum Quantity Lubrication (MQL) Method on Machining Characteristics for Ductile Substrates: A Future Direction. Book: Modern Hybrid Machining and Super Finishing Processes, Technology and Applications, CRC Press, Taylor and Francis, Page No: 39-76 [eISBN: 978-1-003-32790-5; Print ISBN: 978-1-032-35429-3].

S. Atal, D. Dwivedi, N. M. Tripathi* (SEP-2023): Corrosion under insulation (CUI) in Oil and Gas Industries. Book: Functional Materials for the Oil and Gas Industry: Characterization and Applications, CRC Press, Taylor and Francis, Page No: 124-136 [eISBN: 978-1-003-24255-0; Print ISBN: 978-1-032-15100-7].

A.S. Bhadouria, A. Kumar, D. Raj, A. Verma, S. Singh, P. Tripathi, Y. Kumar, A.S.K. Sinha, N. M. Tripathi*, A.M. Yeneneh, D. Dwivedi* (Jun-2022): Corrosion mitigation in Oil reservoirs during CO2 injection using nanomaterials. Book: Nanotechnology for CO2 Utilization in Oilfield Applications, Elsevier, 127-146, [eISBN: 978-0-323-90651-7; Print ISBN: 978-0-323-90540-4].

Books

Book Title: Advances in Pre and Post Additive Manufacturing pro-cesses: Innovations and Applications, CRC Press, Taylor and Francis.
Editors: N. M. Tripathi, A. Sharma
eISBN: 978-1-003-42886-2; Print ISBN: 978-1-032-54987-3

Journal Special Issue

Special Issue Title: Opportunities of Emerging Materials Processing for Enhanced Manufacturing in Industry 4.0
Journal: Recent Patents on Mechanical Engineering, Bentham Science Publishers
Editor: A. Sharma, C. Ratnayake, N. M. Tripathi
Duration: JAN-JUL 2024

Patents
  • Australian Innovation Patent (Granted)
    Title: A Solar Panel & Wind Turbine-Based Hybrid Energy Storage System
    Inventors: A. Sharma, A. Babbar, H. Bhargave, “N M Tripathi”, J.S. Dosad, L. Singh, A.S. Uppal, B.P. Pathri, S. Bhaumik, Gajghate, S. Sheshrao; M. Kumar, J. Mago, V. Dhiman, J.S. Chohan
    Australian Patent Number: 2021106227
    Filed On: 20-AUG-2021, Granted on: 24-NOV-2021
  • Indian Design Patent (Granted)
    Title: Flexible Holder Device for Carrying Phone During Travelling
    Inventors: Chitkara Innovation Incubator Foundation, A. Sharma, “N M Tripathi”, J.S. Dosad, A.S. Uppal
    Indian Patent Number: 349525-001
    Filed on: 15-SEP-2021; Granted on: 22-DEC-2022
    Journal No: 51/2022, Class: 14-06-Holders, Stands and supports for electronic equipment, not included in other classes
  • Indian Design Patent (Granted)
    Title: “Drilling Attachment Tool”: For making holes at four different locations simultaneously
    Inventors: “N.M. Tripathi” and A. Sharma
    Indian Patent Number: 352382-001
    Filed on: 30-OCT-2021; Granted on: 17-DEC-2021
    Journal No: 52/2021, Class: 08-01-Tools and implements for drilling, milling, or digging
  • Indian Utility Patent (Published)
    Rice Threshing cum chaff cutting machine
    L.A. Kumaraswamidhas, M. Yadav, N.M. Tripathi, A.K. Singh, S. Vallisree
    Patent Application Number: 202331088463
    Filed on: 23-DEC-2023, Published on: 26-JAN-2024, Journal No: 04/2024
  • Member of B.Tech. Mechanical Engineering Syllabus drafting committee
  • Member of AEI Policy Planning Committee
  • Member of AEI Space Reorganization Committee
  • Member of Design Innovation Centre (DIC)
  • Member of Social Outreach Committee
  • Member of Purchase Committee
  • Member of Alumni Affairs Committee
  • Member of Internal Complaint Committee
  • Lab head/In-Charge of Unit Operation Lab-1 (Fluid Mechanics and Machinery)
  • Convener of Under-Graduate Syllabus Revision Committee, 2023
  • Convener of Departmental Undergraduate Graduate Committee (DUGC), 2022-23
  • Convener of Proceedings & Medal Committee, AEI-RGIPT (3rd Convocation), 2023
  • Convener of Proceedings & Medal Committee, AEI-RGIPT (2nd Convocation), 2022
  • Member of Proceedings & Medal Committee, AEI-RGIPT (1st Convocation), 2021
  • Member of Departmental Undergraduate Graduate Committee (DUGC), 2021-22
  • Life Member of the Natural Gas Society (NGS)
  • Life Member of the Indian Institute of Chemical Engineers (IIChE)
  • Life Member of the Indian Society of Mechanical Engineers (ISME)
  • Life Member of the Vibha Vigyan Bharti, New Delhi, India
  • Best Research Paper Award, International Conference on Emerging Materials, Smart Manufacturing & Computational Intelligence (ICEMSMCI-2023)
  • Best Reviewer Award, International Conference on Emerging Materials, Smart Manufacturing & Computational Intelligence (ICEMSMCI-2023)
  • Alexander von Humboldt Research Fellowship, Germany, 2021
  • TUM University Foundation Fellowship (TUFF), Germany, 2020-21
  • Research Mobility fund, Technical University of Munich, Germany), 2019
  • Kreitman Foundation Fellowship, Israel, 2015-2019
  • GRE (Graduate Record Examinations) for international studies, 2014
  • GATE (Graduate Aptitude Test of Engineering) Fellowship towards master’s study (MHRD, Government of India), 2012-2014
  • Dr. Kulwant Rai Silver Medal for academic performance, 2014

Dr Naveen Mani Tripathi

Assistant Professor
Mechanical Engineering
;