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Experienced Mechanical Engineer

Location:
United States
Posted:
February 19, 2010

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Resume:

Bogdan A. Nitu

*************@*****.***

***** ******** ****** **** *****: 734-***-****

Plymouth, MI 48170 Cellular phone: 248-***-****

Objective Looking for an engineering position, which will allow me the use of an extensive experience in the area of engine cycle simulation for emission compliance, performance improvement, turbocharger matching, testing, assembling, designing, and failure analysis.

Highlights of Skills

• Team player with excellent verbal and written communication skills.

• Problem identification and solving, as well as ability to work in multicultural environment.

• Experienced with AVL BOOST 1-D simulation code, Concerto and Impress post-processing software, limited experience with GT-Power.

• Extensive experience working with MATLAB and SIMULINK.

• Experienced in PRO-Engineer, AutoCAD.

• Proficient with word processing, spreadsheet and database applications, PowerPoint presentations.

• Tenacious in the pursuit and the completion of assigned tasks and detail-oriented with the ability to multi-task within deadlines.

• Fluent in French and Romanian.

Professional Experience

April 2009-October 2009 L3 Combat Propulsion Systems

Senior Engineer-Band F Diesel Engine Development (Contract)

• Responsible for all activities associated with assigned Internal Combustion Engines Test & Development projects.

• Conducted engine tests: accurately compiled and analyzed recorded data; recommended additional testing if needed; created MATLAB codes for analyzing experimental data from a tank engine to improve fuel consumption, engine performance and reduce white smoke emissions.

• Implemented engine and/or components improvements; presented recommendations and conclusions to engineering team; collected and analyzed data regarding the oil flow and recommended improvements for oil pump load reduction; implemented a solution to extend oil pump life.

• Implemented a solution for reducing the cooling fan blades erosion.

• Defined test cell instrumentation required to complete test.

• Conducted failure analysis, written corrective action reports.

• Documented test requirements and written test plans based upon test objectives.

• Applied engine design and operation knowledge to determine tests needed to meet specification requirements.

• Coordinated engine development activity of assigned projects.

• Initiated and coordinated activities with other departments as needed: Design engineering, Purchasing, Manufacturing, Quality, etc.

• Monitored and reported activity status, schedule, and actual vs. budgeted hours.

• Provided engineering input to design engineers for changes/improvements.

• Supported engine, power pack and propulsion system proposals.

• Provided written work instructions to engine mechanics and technicians.

• Worked with component suppliers to define requirements, defined tests at supplier, identified and corrected component deficiencies.

• Responsible for procurement of parts, building, testing and engine development for unmanned airplane, improving combustion on a spark assisted heavy fuel rotary diesel engine for startup, warm-up and low load operations.

2006- 2008 AVL Powertrain Engineering Inc, Plymouth MI

Project Engineer, Thermodynamic & CFD Group

Responsible to perform thermodynamic engine cycle simulations for performance and emission predictions; develop thermodynamic layouts of gasoline and diesel engines using AVL Boost simulation code in order to recommend air-handling designs and components, support test bed engine performance and engine development work.

Thermodynamic cycle simulation experience:

• Off-road multi-cylinder performance and emissions predictions to meet EPA TIER3 and TIER4 Interim compliance, including turbocharger matching using external and internal EGR solutions.

• Performance predictions and optimization of the spark timing to obtain the best fuel consumption while using a specific octane number gasoline for an unconventional 6 cylinder barrel engine.

• Test bed support with experimental data analysis from an on-road heavy-duty diesel engine for possible problem identification and solutions determination. Layout calculation in order to provide hardware recommendation for two stage charging configuration to reach 0.8-0.4 g/kWh cycle NOx engine-out emission.

• Advanced turbocharging concepts studied and compared to obtain the best fuel efficiency while maintaining same level of emissions for on and off-road engine; developed based on experimental data correlations between EGR level, injection timing and NOx emissions.

• Large off-road engine EGR drivability study for different engine layout design and turbocharger configuration in order to determine most efficient way to meet US EPA TIER4 emission level.

2004-2006 FEV-Engine Technology, Auburn Hills MI

Project Engineer, Design department

• Designed components for marine engines (manifolds to increase engine performance).

• Designed pistons, crankshaft, valve lift and timing for an engine conversion from Diesel to HCCI with increased compression ratio; performed balancing calculations for crankshaft.

• Designed gears, synchronizers, shafts, spline connections for a transmission used in hybrid vehicles.

• Modified existing fuel injectors to be hydraulically actuated, designed hydraulic accumulators, pipes for a hydraulic fuel system.

• Designed an injection system with double injectors per cylinder, designed a common rail for these double injectors, manifolds for the intake and exhaust, pistons, cylinders and sparkplugs for an OPOC engine.

• Conducted presentations regarding the work done and/or to get client approval for the solutions proposed.

1996-2004 Wayne State University/Center for Automotive Research & TACOM

Graduate Research Assistant

• Developed a MATLAB –Simulink code for a complete thermodynamic engine cycle simulation, including spray development, breakup, droplet vaporization, chemical reactions to obtain engine emissions, to facilitate the design process and assessing the impact of different systems on performances of high power density Diesel engines; tested a new chemical model with 32 equilibrium equations implemented into an in-house developed computer code used to simulate ignition delay modeling.

• Involved in analytical and experimental simulation of Hybrid Electrical Vehicle.

• Involved in experimental tests regarding the pressure waves in a common rail fuel injection system.

• Designed and conducted experimental measurement of emissions during starting, idling and steady state.

• Conducted optical measurements of combustion on an AVL single-cylinder diesel engine.

• Conducted technical presentations for US Army Research Office, TACOM, ARC and TARDEC.

1990-1996 MASTER S.A. Institute for Thermal Engines Bucharest, Romania

Team Leader of the Two Stroke Engine Team (‘93-’96)

• Managed the complete development (i.e. design, build and test) for a gasoline direct injection two stroke uniflow engine for lifeboats.

• Provided build requirements to appropriate personnel, facilitated test execution for the required components of the two stroke engine.

• Consulted with engineering personnel regarding design specifications and manufacturing processes.

• Rebuilt, tested and serviced during the warranty of Johnson two stroke gasoline engines for the border patrol.

Mechanical Engineer in the Marine Diesel Engine Department (‘90-’93)

• Involved in working with a family of marine diesel engines built from an MTU license.

• Involved in the assembly, testing (endurance, reliability, tuning), repairing and maintaining the 6 In line, 12 boxer and 24 H engine both on site as well as off site.

• Involved in testing (homologation, tuning, endurance, reliability) for the 20 cylinder boxer engine.

1989-1990 UCM Resita Resita, Romania

Mechanical Engineer in the Two-Stroke Marine Diesel Engine Department

• Built and tested 6, 9, 10 in line, 3000 HP/cylinder, 120 rpm two-stroke marine Diesel engines (MAN B&W license).

• Modified and adapted control tools for the use with the new generations of engines that were built, tested and serviced.

Academic background

Wayne State University, Detroit, MI

Ph.D. in Mechanical Engineering: A MULTI-ZONE, QUASI-THREE DIMENSIONAL MODEL FOR A SINGLE CYLINDER, HIGH POWER DENSITY DIESEL ENGINE (degree awarded May 2nd, 2006)

Core courses in advanced combustion, controls, internal combustion engines, thermodynamics, heat and mass transfer.

Polytechnic Institute of Bucharest, Bucharest, Romania.

MS in Mechanical Engineering, Internal Combustion Engines.

Core courses in ICE, fuel systems for SI and diesel engines, combustion, engine dynamics, and turbo-machinery.

Accomplishments/ Publications

• Won the “GM Ethanol Challenge” with the WSU team in 1998. Directly involved in the modification of a GM 1997 Chevrolet Malibu gasoline engine’s fuel system for ethanol, redesigning the pistons and a heating system for air.

• Naeim A. Henein, Bogdan A. Nitu, Inderpal Singh, Lurun Zhong, Kamal Badreshany, Walter Bryzik, “Effect of EGR on auto-ignition, combustion, regulated emissions and aldehydes in DI Diesel engines”, SAE 200*-**-****, 2002.

• Naeim A. Henein, Zhiping Han, Bogdan A. Nitu, Walter Bryzik, “Diesel Engine Cold Start Combustion Instability and Control Strategy”, SAE 200*-**-****, 2001.

• Bogdan A. Nitu, “Effect of EGR on combustion and emissions, NOx formation-comparison between different mechanisms and experimental results” - National forum for research thermodynamics and thermal engines publication - Romanian Academy and MASTER Foundation 1998-1999.

• Bogdan A. Nitu, “Two-stroke engines: review of design solutions and results” - National forum for research thermodynamics and thermal engines publication - Romanian Academy and MASTER Foundation 1996-1997.

Status: US citizen



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