samsonm2

Experience

• Senior mechanical engineer Dventus technologies · Part-time Feb 2024 – Present 3 mos undefined, Ethiopia • Mechanical design of Ultra-Sonic Smart Water Meters Based on ISO 4060, ANSI C715-18 and IEC 60068 Standards. Including Computational Fluid Dynamics (CFD) analysis using
  ANSYS Fluent to predict electronics thermal management, Multiphase analysis using Discrete phase model (DPM) to examine pipe erosion. Using RNG K-ε Turbulence model
  to plot pressure, drop vs flow rate graph of the meters. Fluid Solid interaction (FSI) to examine pressure loads on the ultrasonic transducers. Additionally, Finite element Analysis (FEA) of the meter when it is subjected to Random Vibrations, Steady state.
  Structural analysis when it is subjected to High pressure (static pressure test) using ANSYS Mechanical.
  
  • Mechanical design of Smart Electric meters based on IEC 62052 and IEC 62053 standards. Including Conjugate Heat Transfer (CHT) analysis to estimate electronics overheating and to predict condensation effect (fog formation) on the surface of the meters display. Finite element Analysis (FEA) of the meter when it is subjected to IEC 60068-2-31 specified (drop & Impact tests) using ANSYS explicit dynamics (Ls-dyna).
  
  • Mechanical design of 10KW Genset based on ISO 8528, ISO 19450 and ASME PTC 22. Including Computational Fluid Dynamics (CFD) analysis using ANSYS Fluent to predict
  Aeroacoustics (noise generation by cooling fans). Additionally, Finite element Analysis (FEA) of the enclosures to predict Vibro-acoustic analysis and to reduce noise generations. Steady state Heat transfer analysis to estimate the maximum temperature.
  reached at stator and rotors and the Joule heating effect (JHE) of the windings.
  
  • Familiarity in Geometrical Dimensional and Tolerance (GD&T) based on ASME Y14.5 and ANSI B4.2 fits and tolerances.
  
  • Experience in Design for Manufacturability (DFM) i.e., Injection Molding for Plastic parts, Metal Castings, CNC Machining (CAM), Sheet Metal and Additive Manufacturing.
  
  • All Products mentioned above were developed using Six Sigma Design Procedure (DFSS) including Failure Mode and effect analysis (FMEA), Critical to Quality (CTQ), Quality
  Function Deployment (QFD), Reliability and Mean time between Failure (MTBF), Design Validation test (DVT) and Engineering validation test (EVT).