Engineering Engineer
Resume:
Sohaib A. M. Obeid
*** ***** ***** *****: 315-***-****
Burlington Fax: 315-***-****
MA 01803 E-mail: psbbrc@r.postjobfree.com
EDUCATION
PhD Clarkson University, Potsdam; New York, USA (2012)
DSc. Student, Laboratory of vibration and acoustics, Federal University of Santa Catarina, Florianopolis, Brazil, (2007)
Master Recherche in Fluid Dynamics and Transfer, Université de Paul Sabatier, Toulouse (III), France, (2007)
French Language Certificate, Université de Paul Vallery, Montpellier (III),
France, (2005).
PhD Candidate, Military College of Engineering Baghdad- Iraq, Feb.2000– March 2003, Studies not finished due to the Iraqi crisis and war held there.
M.Sc. in Mechanical (Aero) Engineering, University of Addis Abbaba (Ethiopia) + University of Khartoum Sudan 1996
B.Sc. honors in Aeronautical Engineering- Class of award Very Good, Military technical College Cairo - Egypt, 1985
APPOINTMENTS
Consulting Engineer, Sep 2012- Nov 2012, Softinway Corporation, 15 New England Executive Park, Burlington MA 01803
Researcher, Dec 2011-Sep 2012, Laboratory of Intelligent Flow Control, Clarkson University, MAE Department, Potsdam; New York, USA
Teaching Assistant, June 2011-Dec 2011 Clarkson University, MAE Department,
Potsdam; New York, USA
Research Associate, 2008-Jan 2009, Optiwind Project, Clarkson University, MAE Department. Potsdam; New York, USA
Internship Researcher, Feb-July 2008, Aero-acoustic Laboratory, KAIST, Korea Advanced Institute of Science and Technology
Engineering Consultant, Jan. - July 2004, Unilog Systems Services Co. Limited
Faculty Member (Lecturer), Mar. - Dec. 2003, Department of Aerospace Engineering, Faculty of Engineering, Karrary Academy of Technology
Faculty Member (Lecturer), 1996 - Feb. 2000 Lecturer, Faculty of Engineering, Karrary Academy of Technology
Registrar, 1988 - 1991 Sudan Air force Institute
Secretary of Scientific and Academic Affairs, 1987-1988, Sudan Air force Institute
Licensed Maintenance Engineer, 1986, Fighter (5) Squadron, Wadi Siedna Airbase
Maintenance Engineer (Both First & Second Lines), 1986, Mig (21) Squadron, Wadi Siedna Airbase
First Lieutenant Eng, July 1985, Wadi Siedna Airbase Omdurman Sudan
Engineering Cadet, 1980- July 1985, Military Technical College Cairo, Egypt
PROFESSIONAL TRAINING
2005: Training course in Airbus Company, Methods of Noise Generation and Suppressions in Passenger Aero- Planes, Toulouse, France. The training was in collaboration with SNECMA (SAFRAN), UMT and Rolls-Royce companies to serve industrial activities related to noise emissions in all rotating components used in aerospace products in general and especially the turbo-machines
2004: Training course in Central School of Lyon- Group of Numeric simulations and modeling in aero-acoustics, France. The training was in collaboration with ONERA, Dassault and SNECMA (SAFRAN) Companies to serve industrial activities related to turbulent flow physics and noise emissions in all rotating components used in aerospace products in general and especially the turbo-machines
1998: Training course in experimental fluid mechanics and heat transfers, Technical Equipments. U.K. The course focus on the operation of Subsonic/ Supersonic Wind tunnels, Pyramidal Force Balance, Fluid Machines and Thermocouples.
1996: Training course in NDI (none destructive inspections) techniques used in field of aerospace engineering: Ultrasonic testing, Magnetic-particle testing, Liquid penetrant, Radiographic, Eddy-current Testing, Low coherence Interferometry. Azza Air Transport & KLM Companies Khartoum
1995: Training course in different modules of static/ dynamic balancing of engine rotating parts: PT6, JT3D, JT8D, JT9D & PW 2000, Engine Shop, Ethiopian Airlines, Addis Ababa
1994: Training course in Testing and Inspection of Gas Turbine Engines, Training Center, Ethiopian Airlines, Addis Ababa
1986: Conversion course in Chinese aircraft Fighter (5), Sudan Air force Training Institute. Khartoum- Sudan
1985: Conversion course in maintenance and servicing of the military jet fighter Mig (21), Sudan Air force Training Institute. Khartoum- Sudan.
INDUSTRIAL EXPERIENCE
1985-1987, Assistant Researcher, R & D Department, Defense Industries Board (Sudan). This board works in collaboration with Khartoum Central Foundry and the National Engineering Council (Sudan).
1987-1991, Researcher, R & D Department, Defense Industries Board (Sudan).
Duties Include: Aerodynamic shaping and mechanical designs of single stage and double stage centrifugal (Radial) compressors with compression ratios up to 5.35, single stage and multi stages, single spool and multi spools axial flow compressors with compression ratio of 1.29 per stage and maximum compression ratio of 21.18, single stage and double stage centrifugal turbines and axial flow turbines. I participated in design of many Air Intakes, Impellers (straight, bended forward, bended backward impellers), Diffusers, Rotor Blades, Stator Blades, Vanes and Collectors used in Air Compressors, Turbines, Blowers, Fans and Pumps. All these products used in both military and civil applications. Part of the duties is to construct computational codes to solve Euler equation, Navier-Stokes Equations, Wave Equation, Potential Flows on turbo-machines and to have considerable experience with using scientific codes based on FEM (Finite Elements), Finite Volume, Finite Difference and Spectral Methods in both Structural Analysis, Fluid Physics (single phase and two phase flows), Solid/Fluid interaction problems.
Applications of Our Designs:
Mostly our designs are applied in:
Gas turbines and auxiliary power units
Modern gas turbines operate on the Brayton cycle
Turbo-shaft, turboprop, auxiliary power units, and micro-turbines
Automotive engine and diesel engine turbochargers and superchargers
Pipeline compressors of natural gas to move the gas from the production site to the consumer. The power needed to drive these compressors is most often in the thousands of horsepower (HP).
Oil refineries, natural gas processing, petrochemical and chemical plants
Air-conditioning and
Compressed air providers for all types of pneumatic tools used in industry and manufacture
Air separation plants to manufacture purified end product gases.
1992: 1993, Researcher, R&D Department of Military Industry Corporation (Sudan)
1995: 2000, Researcher, R&D Department of Military Industry Corporation (Sudan)
Duties Include: Perform the evaluation and analysis of problems in fluid machinery and the associated plant systems using numerical codes (since 1992); perform heat transfer analysis; design experiments, tools, and instrumentation; prepare and run models of fluid handling machinery and piping system to identify behaviors, responses to inputs, performance values, and changes with operating conditions; assist in the development of software and diagnostic tools to enhance data collection and analysis, machinery system modeling, machinery problem solving, and the design of improved fluid handling machinery and systems; conduct laboratory research required by clients and directed at finding solutions and advancements for fluid handling machinery; independently write technical reports, proposals, and technical presentations; participate in conferences in door and out door. Using numerical codes (since 1998) in structural analysis (static, dynamic and thermal) of mechanical and aerospace components using Ansys, Nastran and self-developed codes with considerable experience in modeling and analysis of wind turbine blades, axial flow compressors, axial flow turbines, shafts, rails, hubs, gears, axles, valves, plates and shells. Have great experience of modeling all mechanical elements in AutoCAD, Cad, Solid Works and Workbench besides importing the models to any preprocessor software or mesh generator. Have considerable experience in using different solvers and post-processors and excellent knowledge of simulating different fluid flows using FLUENT/ Answers and Jadim codes with great experience of CFD RANS simulations using FLUENT for internal and external flows. Have the capability of capturing noise emissions and aero-acoustic characteristics of rotating units in external flows and internal flows. Examples of long term projects in which numerical simulations played vital role are found in: Conceptual design studies of turbojet engines, including thrust to weight ratio, estimation of equilibrium run line, noise reduction, thrust vectoring and performance calculation, Design of Ram/Scramjet Engines, Design of Rocket Motors, Reduced order modeling of fluid flows over airfoils, and Design of flow separation control algorithms.
2004, Trainee, SNECMA Group (Lyon- France)
2005, Trainee, Airbus Group (Toulouse-France)
ACADEMIC ACHIEVMENTS
Research: Aerodynamic shaping and structural analysis of air compressor blades, turbine blades and wind turbine blades, Structural analysis of A/C structures, Turbo-machinery blades, Aero-acoustics of rotating units (external flows and internal flows), Dynamic modeling of structures, conceptual design studies of turbojet engines, including thrust to weight ratio, estimation of equilibrium run line, noise reduction, thrust vectoring and performance calculation, Design of Ram/Scramjet Engines, Design of Rocket Motors, Reduced order modeling of fluid flows, CFD RANS modeling, Design of Control Algorithms.
Teaching: Diploma course for aeronautical technicians (Engineering Drawing, Mathematics, Fluid Mechanics, Theory of Flight, Airframe Design, Jet Engine Design, Airworthiness Requirements, Air Engineering Services), License course for aeronautical engineers, technician engineers, and technicians, (Aerodynamics, Thermodynamics, Design of Aircraft Engines), Basic Trade Courses, License course for aeronautical technicians, (Auxiliary Trade Courses), Pilot’s ground school courses. (Long & Short Term Courses), Under graduate engineering courses (Both Aeronautical & Mechanical), teaching aerodynamics, theory and design of aero-engines, combustion, fluid mechanics, Different phenomena associated with fluid/solid interactions, Control theory and control designs, Stochastic problems in engineering applications, Pattern classifications and Neural net work analysis based controls
Service: Member of several research teams working on structural analysis, fluid analysis, noise emissions and fluid/ sold interaction problems. Member of SAFI Curriculum Committee (1988-1994) which set and reviewed the institute curriculum through the academic link-up program between the institute and South-East Wales Polytechnic, Executive Member in the establishment of Sudan Air force College, Piloting Section in Port Sudan, The Organizer, Coordinator, and Lecturer in Many courses held by SAFI, Member of the SAFI Institute Academic Board, Member of Karrary Academy of Technology, Faculty of Engineering Curriculum Development Committee, Supervisor of fluid mechanics lab of Faculty of Engineering of Karrary Academy of Technology, The Supervisor of the projects of the School of Aeronautics in the College of Aviation Sciences. Khartoum- Sudan, Participant in the project of Khartoum Aerospace and Technology Academy
MISCELLANEOUS
Languages: English (Fluent written and spoken), French (Fluent written and spoken), Arabic (Fluent written and spoken), Hebrew (Poor written and considerable spoken), Portugúes (considerable written and poor spoken)
Considerable experience in: Utilization of the Codes: ANSYS-FlUENT, Answers, AutoCAD, Cad, Solid Works, Tec plot, Nastran, Patran, Jadim, MATLAB, Simulink, and Sigma Plot.
Understanding of: Basic, FORTRAN 77, FORTRAN 90, Visual Basic, Visual FORTRAN, C, C++, Computer Programming with: Basic, FORTRAN 77, FORTRAN 90, Visual Basic, and Visual FORTRAN.
Good coding capabilities and writing UDF (user defined functions)
AWARDS AND HONORS
1) Student Member – Engineers without Borders ewb-usa.org,
2) Student Member – American Society of Mechanical Engineers ASME, http://www.asme.org
3) Student Member- Society of Industrial and Applied Mathematics SIAM, http://epubs.siam.org
4) Student Member of Japanese Aeronautical Society, JSASS, http://www.jsass.or.jp
5) Member of Engineering and Physical Sciences Committee belongs to Scientific and Editorial Board, World Academy of Science, Engineering and Technology.
6) National Merit Scholarship (Sudan), 1980-1985.
RECENT PUBLICATIONS
1) Sohaib Obeid, Rataheshwar Jha and Goodarz Ahmadi, “NARMAX Identification Based Closed-Loop Feedback Control of Flow Separation over NACA 0015 Airfoil,”
2) Sohaib Obeid, Pooya Kabiri, Rataheshwar Jha, Douglas Bohl and Goodarz Ahmadi, Numerical and Experimental Investigation of Active Flow Control for Flow Separation over NACA 0015 Airfoil,”
3) Sohaib Obeid, Rataheshwar Jha and Goodarz Ahmadi, “Static Pressure Prediction over Airfoils Using NARMAX Polynomial Modeling,”
4) Sohaib Obeid, Rataheshwar Jha and Goodarz Ahmadi, “Closed-Loop Feedback Control Algorithms for Flow Control over a Flapped Airfoil at High Angles of Attack,”
5) Sohaib Obeid, Rataheshwar Jha and Goodarz Ahmadi, “Model Based Feedback Control Algorithms for Flow Control over NACA 0015 at High angles of Attack,”
6) Sohaib Obeid, Rataheshwar Jha and Goodarz Ahmadi, “Influence of feedback Signal on Aerodynamic Performance of Closed-Loop Flow Separation Controller,”
SCIENTIFIC PARTICIPATIONS
More than 50 participations in about 23 different countries
CFD CONTRIBUTIONS
1. Contributing in establishment of CFD group in Karrary Academy of Technology dealing with training engineering students to use Ansys, Fluent, Answers, Nastran and other scientific codes. As a part of these activities, and with collaboration of departments of Mathematics in different universities, the group held several short term courses in coding using C, C++ and FORTRAN. This besides holding seminars and workshops to spread CFD knowledge among junior engineering students.
2. Developing and applying CFD codes using Finite Volume, Finite Difference, Finite Elements and Spectral techniques using FORTRAN 2000 (Power Station) and C languages.
3. Contributing periodically in CFD online activities with considerable emphasis to provide answers to questions posed in Main CFD Forum and Software Users Forum especially for those related to (Ansys, Fluent, CFX, Meshing and Geometry).
RESEARCH INTERESTS
1) Aerodynamic shaping & structural design of aerospace components using analytical, experimental and numerical tools
2) Conceptual Design of air breathing engines such as (Gas turbine engines), (Scramjet/ramjet and pulse engines) in addition to solid and liquid rocket motors.
3) Active Control of fluid flows (both internal and external flows) / flow induced vibrations in aerospace structures. Implementation of different control techniques and reduced order modeling linear/ nonlinear dynamic systems.
4) Subsonic/Supersonic combustion problems using analytical, experimental and numerical tools.
5) Aero acoustics (both external and internal flows). This includes also reduced order modeling, design and implementation of control algorithms verification of control laws. Problems of fluid/solid interactions.
6) Conceptual design of fluid machines subjected to laminar and turbulent 2D & 3D flows (steady and unsteady models) in aerospace engineering.
7) Experimental aerodynamics and wind tunnel activities.
REFREES
1) Prof. Goodarz Ahmadi, Dean, Wallace H. Coulter School of Engineering Mechanical and Aeronautical Engineering, Clarkson University, PO Box 5725,Potsdam, NY 13699-5725, Phone: 315-***-****, Fax: 315-***-****,E-mail: psbbrc@r.postjobfree.com
2) Ratneshwar (Ratan) Jha,Associate Professor, Clarkson University PO Box 5725, Potsdam, NY136995725, Phone: 315-***-****, Fax: 315-***-****,E-mail: psbbrc@r.postjobfree.com
3) Prof. Ricardo Musafir, D.ScUniversidade Federal do Rio de Janeiro, Engenharia Mecânica, Tel: +552*-****-****, email: psbbrc@r.postjobfree.com
4) Prof. Piergiovanni Marzocca, Ph.D.Assistance Professor – Clarkson University, The Wallace H. Coulter School of Engineering, Mechanical and Aeronautical Engineering Dept.,Camp 234, Potsdam, New York 13699-5725, Tel: 315-***-****, fax: 315- 268- 6695, Email: psbbrc@r.postjobfree.com
5) Prof. Serge Léwy, Directeur de recherche et Chef d unité à l ONERA, Office National d Études et de Recherches Aérospatiales, Tel: +330*-**-**-**-** email: psbbrc@r.postjobfree.com
6) Prof. André Giovannini,
Universite Paul Sabatier Institut de Mecanique des Fluides de Toulouse,UFR-MIG, Dépt de Mécanique UMR 5502 CNRS/INP-UPS, 118 Route de Narbonne, Avenue du Professeur Camille Soula 31062, Toulouse 31400 Toulouse, Tel:33(0)561556184 Tel:33(0)561285948 Fax:33(0)561558326 Fax:33(0)561285992, E-mail : psbbrc@r.postjobfree.com or E-mail : psbbrc@r.postjobfree.com
HOBBIES AND INTERESTS
Sports, Fishing, Traveling and Studying
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