Akshay Nehete

• Electromagnetic analysis, modelling and design of Electric Machine in, Maxwell for pilot application of 25kW and 140000 rpm going through the cycle from concept proof phase to functional Proof phase
• Investigation on family matrix for electric machine sizing from power range (2kW- 60kW) and speed range (60000-260000) rpm requirements
• Investigated and proposed the design rotor concepts as surface PM, interior PM machine for ultra-high-speed machine.
• Material Selection for rotor retaining sleeve and permanent magnet
• Proposed sleeve thickness to contain the mechanical stresses on rotor sleeve and permanent magnet based on multi-objective genetic algorithm (MOGA) in Ansys Mechanical
• Investigated and proposed the material & dimensions to satisfy the natural frequency requirement of rotor with critical speed analysis (Modal Analysis) inAnsys
• Mechanical Shrink Fit and tolerance Analysis for Rotor Sleeve and Magnet assembly
• Stator Core material & laminate thickness selection & analysis for optimum core losses through Electromagnetic Analysis
• Design of Experiments (DoE) for Stator with number of optimum slots and slot dimensions combining with multi-objective genetic algorithm (MOGA) in Ansys
• Investigated the stator winding type for optimum losses with electromagnetic Analysis in Ansys Maxwell
• Worked with Thermal team and submitted the Electromagnetic Loss Models to understand the Cooling Requirements for Rotor and Stator.
• Interaction with manufacturing team to manufacture Rotor, Stator, Cooling jacket and overall casing.

• Developed a Gear box powered by DC Motor for different torque requirements and high responsiveness to actuate the gate valve to control the pressure mass flow rate of turbocharger
• Submitted the design boundary for gear box to design team for casing design of e- Actuator
• Investigated the Thermal Analysis of e-Actuator to check the overall temperature distribution in Ansys
• Worked on Vibration Analysis to investigate the Natural Frequency of the Product and suggested the design changes and its assembly tolerance to improve the natural frequency
• Conducted the Vibration test of e-Actuator on Vibration shaker according to IEC Standard – Sine, Sine on Random, Mechanical Shock, Resonance Analysis, Resonance Dwell
• Correlated the Natural Frequency of the product with Frequency response analysis (FRA) simulation and test for improvement in numerical modelling procedures and boundary conditions
• Investigated the field return problem (Tear down Analysis)
• DFMEA for e-Actuator.

Master Thesis: Numerical Simulation of Oil Flow in Turbocharger Lubrication system

• Validated the CFD Procedure for frictional power loss calculation in Turbocharger bearing system
• Modified the Journal Bearing Design with a taper slope of 2 to reduce the frictional power loss
• Investigated the Number of Piston Ring for reduction in emissions by restricting the oil flow leakage from bearing to compressor wheel.

• Investigated the multi-body dynamics of high-speed railway vehicle to check Vibration Displacement from the ground to vehicle using MATLAB
• Studied the Johnson Cook Material model on numerical simulation of shot peening process
• Studied the Dynamic analysis of hybrid tapered Composite Beams & Manufactured made of carbon & glass fiber and under hygrothermal environment.