Tonmoy Roy Ph.D, P.E

281-***-**** adhhj7@r.postjobfree.com

PROFESSIONAL SUMMARY

Tonmoy Roy has 14+ years of experience in industry. Product Development, Product Management, Oil & Gas, Piping, Ducts, Offshore Equipment, Seal Analysis, Control Valves, Butterfly valves, Downhole, Pump, GAS Separator, FEA, 3-D design, ASME BPVC, API, Fluid and Thermal engineering and domain expertise in Computational Fluid Dynamics (CFD), Analysis, Design, Modeling and Simulation. He has in depth knowledge of Design, Automation, Project Management, Business strategy, consulting, C and C++ programming. He has hands on experience on SOLIDWORKS, AutoCAD, Inventor, PRO-E, CATIA V5, and Revit. He has extensive experience of stress strain analysis using commercial analysis software such as FLUENT, ANSYS, ABAQUS and STAR-CCM+. He was working as a Product Engineer at Norriseal-Wellmark Inc. in Houston, Texas. He is seeking a challenging position with potential for growth and advancement.

EDUCATION

Ph.D. Mechanical Engineering, University of Wisconsin, Milwaukee, May 2006.

M.Tech. Energy System Engineering, Indian Institute of Technology, Bombay. January 2000.

B.E. Mechanical Engineering, Jadavpur University, Kolkata, December 1997.

PROFESSIONAL EXPERIENCE

Product Engineer. Norriseal-Wellmark, 11122 West Little York Road, Houston, TX 77041. March 2019 – June 2020.

Managed the Engineering Service Request process, maintained all product lines(Control valves, Check valve, Butterfly valve, Level controller, Safety Relief Valve, Actuator and valve automation accessories, Chemical Injection Pump); troubleshoot, analyzed and resolved product issues, troubleshoot design related issues in production and managed change process Acted as technical interface and collaborated with cross-functional leaders in Marketing, Sales, Sourcing, Human Resources, Operations, and Finance, Partners with Quality group to assist in First Article Inspection (FAI) process and approval. Visited industrial sites to implement the valves & automation equipment, troubleshoot and acquire the test data. Initiated PLM document management system, approved production drawings for products, reconciled Oracle BOM’s, Part Numbers, Routers, etc., Ensured that the design changes to products comply with the regulatory requirements (ex. NACE, API, UL), Maintained design integrity of products to meet safety requirements of local, federal and industry requirements at a minimum. Built prototypes, test plans and validated design changes or new suppliers through analysis and testing as required, conducted design reviews, Failure Mode and Effect Analysis (FMEA), analyses, provided feedback.

Lead Engineer I, SOFEC, Inc. 15011 Katy Freeway, Suite 500 Houston, TX 77094. December 2014-March 2019.

Led Design, Analysis and Drawing of all the components for Swivel Stack assembly. Swivels are the fluid transfer union, designed as per ASME BPVC sec VIII and Different Class societies requirements. Analyzed 3-D design using SOLIDWORKS, ANSYS, STAR CCM+. Planed & assigned personnel for given projects. Coordinated, monitored & reviewed work in detail of assigned team members. Checked for quality, errors and timeliness. Collaborated in document preparation, engineering specifications & ensured conformance to all policies & procedures related to engineering functions, labor & systems reporting. Prepared technical data & papers for sales personnel, customers & publications. Implementation and commissioning of equipment in client site. Promoted an active dialogue of technical issues & accomplishments between various engineering, SOFEC & other SOFEC departments.

Technical Advisor - Mechanical, Halliburton Energy Services, 3000 Sam Houston Pkwy E. Houston, TX 77032. February 2014- November 2014.

Led design & development of ESP pump and Linear Lift Pump system for Halliburton Artificial Lift. Developed centrifugal and mixed flow pump for downhole ESP application. Planned and delivered gas separator design with 80-90% efficiency, initiated Articulated Flow Loop system for Testing ESP pump at higher pressure and flow rate (2000-3000 psi and 30000 BPD flow rate).

R&D Engineer, Express Energy Services, 4667 Kennedy Commerce Drive, Houston, TX 77032.

November 2012- November 2013.

Designed & developed “Sand Separator” (Skid Mounted) as per API standard. Sand separator was capable of separating sand @3bbls/minute with 90% efficiency. Analyzed “Tong Tester”(Skid Mounted) for testing tongs up to maximum 40,000 ft-lbs of torque. Manged 3-D design, Stress analysis of critical parts (Laydown Poles, Tong Testing shaft, Lifting Pulleys, Sand Separator, snubbing unit etc.), building SLAs, contacted vendors for quotation and production.

Mechanical Engineer, Rectorseal Corporation, 2601 Spenwick Drive, Houston, TX 77055. June 2007- October 2012.

Developed of 3,4- and 6-inch Clean Check Backwater Valve, Air Admittance Valve (AAV), 75 PSI Clean Check Flapper, Condensate line cleaning pump (Mighty Pump), Waterless Trap Seal Protector. Prepared 3-D model and drawing using SOLIDWORKS following ASME Y14.5 GD&T standards, PDM system, Automatic testing system of AAV using PLC Programming. Created SLAs, created plant layout using Revit, Residential and Commercial Construction site supervision, calculated HVAC loads, piping, and ducts sizes, contacted vendors for quotation and production, evaluated first articles (FA), wrote specifications and QC instructions. Through years of experience, acquired strong knowledge in developing Plumbing products, HVAC products, Electrical and Construction industries products.

PATENT AND INVENTION

Tonmoy Roy, Zheng-Yi Xu and Robert Allan Martinelli, “Apparatus and methods for limiting or preventing backflow of gas up through a plumbing fixture.” Patent No US20140053923 A1.

PEER REVIEWED RESEARCH JOURNAL PUBLICATIONS

1.Tonmoy Roy and Krishna M. Pillai. “Characterization of dual-scale fiber mats for unsaturated flow in liquid composite molding.” Polymer Composite, Vol 26, No 6 pages 756-769, 2005.

2.Tonmoy Roy, Hua Tan and Krishna M. Pillai. “A method to estimate the accuracy of 1-D flow based permeability measuring devices,” Accepted for publication in Journal of Composite Materials.

3.Tonmoy Roy and Krishna M. Pillai. "Variations in Unsaturated Flow with Flow Direction in Liquid Composite Molding," Accepted for publication in Composites Part A: Applied Science and Manufacturing.

4.Tonmoy Roy and Krishna M. Pillai. “Analyzing the effects of bubbles, inlet-pipe expansion, and mold deflection on the mold-filling process in liquid composite molding: Radial flow,” resubmitted to Composites Science & Technology after the initial review.

PEER REVIEWED RESEARCH JOURNAL PUBLICATIONS

1.Tonmoy Roy and Krishna M. Pillai., ``Investigation of direction-dependent unsaturated flow in anisotropic dual-scale fiber-mats of LCM,” a paper presented in 8th International Conference on Flow Processes in Composites Materials (FPCM8) in Douai, France in 11-13 July, 2006.

2.Tonmoy Roy and Krishna M. Pillai. ``Variations in the unsaturated flow with flow direction in liquid composite molding,’’ a presentation in IMECE (International Mechanical Engineering Congress & Exposition) 2005, Orlando (FL), USA, Nov 5-11, 2005.

3.Tonmoy Roy, C. Dulmes and Krishna M. Pillai. ``Experimental investigations of the unsaturated flow in Liquid Composite Molding'', Proceedings of the 5th Canadian-International Conference in Vancouver, Canada, August 16-19, 2005 http://www.cancom2005.ca/

4.Tonmoy. Roy, et.al, ``Some studies on modeling the unsaturated flow in woven, stitched or braided fiber mats in LCM", Proceedings of the 7th International Conference on Flow Processes in Composites Materials, 7-10 July, 2004, Newark, DE USA.

5.Roy, T.et.al. and Jatkar, J., ``Unsteady State Analysis Of Heated Soil Vapor Extraction Process With Air Sparging,” ASME 2005 International Mechanical Engineering Congress Exposition, IMECE2005, November, 2005, Orlando, FL.

6.Tonmoy Roy and Krishna M. Pillai. ``First steps towards quantitative validation of the unsaturated flow theories in liquid composite molding’’, Proceedings of ASME International: Summer Heat Transfer Conference, Las Vegas (Nevada), July 21-23, 2003.

COMPUTING SKILLS

Numerical Packages: MATLAB, MAPLE, Mathcad

Programming Languages: C, C++, FORTRAN, JAVA

Analysis Tools: FLUENT, ANSYS, FIDAP, ABAQUAS, Star CCM+

Operating Systems: Windows XP, LINUX, UNIX, DOS

Graphical and Post-Processing: MS Office, TECPLOT

CAD Packages: GAMBIT, AutoCAD, SOLIDWORKS, Pro-E, INVENTOR,CREO,CATIA V.

Other Software Packages: PLC, LabVIEW, MOLDFLOW.

MEMBERSHIP IN SCIENTIFIC AND PROFESSIONAL SOCIETIES.

Professional Engineer PE (Texas)

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