Dan Ehrlich work email
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Dan Ehrlich personal email
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Senior Mechanical Engineer with over 20 years experience in cutting-edge turbomachinery and thermal/fluid system development who combines hands-on hardware experience with strong technical engineering expertise. Extensive experience in technical leadership, product development, systems analysis, and testing.
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Principal Engineer, TurbomachinerySpacex Jan 2020 - PresentHawthorne, California, Us -
Sr. Turbomachinery EngineerSpacex Dec 2012 - Dec 2019Hawthorne, California, Us• Team lead for development of pump performance test facility • Led team of junior engineers in design, fabrication, and qualification of new test facility • Technical lead for all aspects of facility design • Brought ~$1M facility from concept to operation in 7 months to support new engine development• Managed personnel, budget and schedule• Corporate expert for turbopump cavitation and dynamics• Developed tools and acceptance test screening methodology for rocket engine turbopumps • Screening for turbopump rotating group health including bearing defects and cavitation dynamics • High speed data frequency domain analysis for test anomaly resolution• Performed hydrodynamic design iterations of liquid oxygen pump inducer for Raptor staged combustion engine • Blade shape design and CFD performance prediction • FEA analysis for stress and modal response• Supported turbomachinery failure analysis and anomaly resolution investigations • Fault tree, FMEA, focused experimentation, and DOE • Detailed component and systems analysis• Developed instrumentation for on-engine measurement of pump shaft dynamics and turbine modal response -
Propulsion Research ScientistThe Aerospace Corporation Feb 2008 - Nov 2012El Segundo, California, Us· Corporate expert for liquid rocket engine turbomachinery and vibratory health assessment· Conduct experimental and analytical investigations of complex thermal/fluid systems and components· Lead multidisciplinary teams in failure analysis and anomaly resolution investigations· Lead development of high speed reaction wheel assemblies for pico-satellites· Program lead for corporate Turbopump Cavitation Research Initiative· Developed state-of-the-art $750K turbopump test facility· Conduct research program to investigate cavitation instability mechanisms and flow physics· Perform modeling and experimental characterization of turbopumps under cavitating conditions· Produced benchmark data sets for cavitating cryogenic turbopump model validation · Supported multiple customer pump test characterization programs -
Senior Propulsion EngineerThe Aerospace Corporation Jan 2002 - Jan 2008El Segundo, California, Us· Conducted engineering analyses of liquid fueled rocket engine systems and components· Led multidisciplinary teams in failure analysis and anomaly resolution investigations· Technical advisor to Air Force Research Laboratory for engine technology programs· Performed independent assessment of NASA SSME flowliner cracking for Space Shuttle return to flight· Performed analysis of engine flight data and system modeling to identify root cause of performance anomalies· Turbopump performance prediction· Developed particle tracking model for assessment of risk to engine components from foreign debris· Conducted experimental characterization of shear coaxial air/liquid rocket injector elements· Performed vibratory health assessment of high speed gearbox and turbomachinery -
Senior Project EngineerQuantum Fuel Systems Jun 2001 - Sep 2001· Developed analytical tools for design and evaluation of multiphase and gaseous hydrocarbon fuel system components with application to both internal combustion and fuel cell engines· Conducted technical research for prototype fuel cell hydration, and fuel metering system development
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Aerodynamics EngineerHoneywell Turbocharging Systems Mar 2000 - May 2001· Led a performance test program for a prototype 2-stage turbocharging system for a major diesel engine manufacturer. Worked directly with the customer in a joint development program to evaluate and maximize installed turbo system performance through a combination of analysis and on-engine performance testing.· Responsibilities included:· Design of turbo system gas stand test sequence using design of experiment (DOE) methods· Interface with design, test, procurement, and component suppliers to meet schedule and cost targets· Coordination of simultaneous Garrett gas stand and customer on-engine performance evaluations· Test instrumentation, data acquisition, and performance data reduction· Analysis of engine and turbo system test data for evaluation of component and system performance· Performed structural and aerodynamic analyses for a next-generation turbine in a variable nozzle turbocharger · Completed Honeywell Six Sigma Black Belt training program
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Advanced Product Development EngineerHoneywell Turbocharging Systems Aug 1998 - Feb 2000· Led design and development of a prototype supercharger from inception through prototype qualification. Coordinated multi-organizational joint development effort to rapidly progress clean sheet conceptual design to qualified working prototype.· Responsibilities included:· Leading multidisciplinary engineering team including design, analysis, prototype, and test groups· Schedule, budget, and resource management to meet program time and cost constraints· Development of predictive performance models used to conduct design trade studies · System and component design for low cost, high volume manufacture· Component material selection, mechanical design, and supplier selection· Design and construction of performance test facility including instrumentation and data acquisition· Qualification testing and prototype performance evaluation
Dan Ehrlich Skills
Dan Ehrlich Education Details
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Purdue UniversityDoctor Of Philosophy (Ph.D.) -
Saint Louis UniversityPhysics -
Washingtion University, St. LouisMechanical Engineering
Frequently Asked Questions about Dan Ehrlich
What company does Dan Ehrlich work for?
Dan Ehrlich works for Spacex
What is Dan Ehrlich's role at the current company?
Dan Ehrlich's current role is Principal Engineer, Turbomachinery at SpaceX.
What is Dan Ehrlich's email address?
Dan Ehrlich's email address is da****@****ail.com
What schools did Dan Ehrlich attend?
Dan Ehrlich attended Purdue University, Saint Louis University, Washingtion University, St. Louis.
What skills is Dan Ehrlich known for?
Dan Ehrlich has skills like Fluid Dynamics, Engineering, Aerodynamics, Program Management, Six Sigma, Cross Functional Team Leadership, Spacecraft, Management, Proposal Writing, Publications, Public Speaking, Patents.
Who are Dan Ehrlich's colleagues?
Dan Ehrlich's colleagues are Rishabh Shah, Cade Gleekel, Ang-Ting (Ann) Ho, Jacob Dabrow, Bryan Kuhn, Mark Theis, Don Allen.
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