Stephen Lash Email & Phone Number

Phoenix, Arizona, United States

Phoenix, Arizona, United States

Phoenix, Arizona, United States

Phoenix, Arizona, United States

Blacksburg, Va

Project: Nanomembrane Pressure Sensor Testing· Verification of high-frequency sensor capabilities and comparison against industry standard competitors in a heliumdriven shock tube with flow conditions up to Mach 4.· Handled shock tube testing from rig start-up to reduced data delivered to overseeing graduate student.· Developed data analysis code to calculate flow conditions and compare sensor rise times with input signals.· Designed pressure and temperature sensor housings… Show more Project: Nanomembrane Pressure Sensor Testing· Verification of high-frequency sensor capabilities and comparison against industry standard competitors in a heliumdriven shock tube with flow conditions up to Mach 4.· Handled shock tube testing from rig start-up to reduced data delivered to overseeing graduate student.· Developed data analysis code to calculate flow conditions and compare sensor rise times with input signals.· Designed pressure and temperature sensor housings for extremely high pressure and temperature applications.· Oversaw the design, purchasing, and construction of a new test bench for shock tube. Show less

Blacksburg, Va

Project: Impact of Sand Ingestion on Hot-Section Components· Investigation of the effects of sand ingestion and deposition on hot-section jet-engine hardware.· Assisted running the Virginia Tech Aerothermal Rig operating at 1100°C and 70m/s.· Performed extensive data collection and analysis using image recognition code in MATLAB.· Created code for flow meter calibrations and troubleshooting.· Exposed to Particle Image Velocimetry (PIV) and related imaging… Show more Project: Impact of Sand Ingestion on Hot-Section Components· Investigation of the effects of sand ingestion and deposition on hot-section jet-engine hardware.· Assisted running the Virginia Tech Aerothermal Rig operating at 1100°C and 70m/s.· Performed extensive data collection and analysis using image recognition code in MATLAB.· Created code for flow meter calibrations and troubleshooting.· Exposed to Particle Image Velocimetry (PIV) and related imaging software/hardware.· Created proposal presentation for $500,000 research contract with the Office of Naval Research. Show less

Blacksburg, Va

Project: Heat Transfer on Nozzle Guide Vane Endwall with Film Cooling· Investigation of the effects of nozzle guide vane misalignment and film cooling on heat transfer and film-cooling effectiveness across a nozzle guide vane for engine representative transonic conditions.· Instrumented the Virginia Tech Transonic Cascade Wind Tunnel - DAQ system and sensor installation; generalair-line piping and electrical circuit wiring for solenoid assisted control of air lines.· Developed… Show more Project: Heat Transfer on Nozzle Guide Vane Endwall with Film Cooling· Investigation of the effects of nozzle guide vane misalignment and film cooling on heat transfer and film-cooling effectiveness across a nozzle guide vane for engine representative transonic conditions.· Instrumented the Virginia Tech Transonic Cascade Wind Tunnel - DAQ system and sensor installation; generalair-line piping and electrical circuit wiring for solenoid assisted control of air lines.· Developed MATLAB data analysis code for all thermocouples, pressure transducers, and mass flow meters.· Designed and constructed liquid nitrogen cooled piping system for coolant delivery to the test section.· Developed a strong familiarity with IR camera technology and materials required for accurate imaging. Show less

Bachelor Of Science - Bs, Mechanical Engineering

Engineering Technology, General