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People
Brad Tillock Founder and President Brad Tillock started EngSim in 2003. Since being the founder and president of EngSim Brad has closely worked with all of the clients of EngSim. Brad received a Bachelor's degree in mechanical engineering from the University of Illinois-Urbana and a Master's degree in mechanical engineering from the University of Wisconsin-Madison. Brad is also a licensed professional engineer in the state of Illinois. While at Madison, Brad worked as a research
assistant in the Engine Research Center where
his Master’s thesis was titled ‘Thermal Analysis
Methodology for Air-Cooled Engines’. Part of
this work required sophisticated engine diagnostics
including the simultaneous measurement of
in-cylinder pressure, flame position, and heat flux.
There was also a modeling component to this work
that was done using the 1D engine cycle simulation
code WAVE/IRIS. The entire flow network was
built from the intake mixing tank to the pressure
controlled exhaust mixing tank. This modeling
was done in an effort to do an overall accounting of
the thermal flows in an air-cooled engine. After receiving his MSME, Brad joined
Harley Davidson Motor Company. After Harley
Davidson, Brad worked at Gamma Technologies and over
the course of 4 ½ years, Brad trained over 200
people in GT-SUITE. Brad gained experience
modeling virtually every type of engine and has a
thorough understanding of GT-SUITE capabilities and
theory. Nilesh L Bagal Project Engineer Nilesh joined EngSim with over 6 years of simulation and analysis experience in environmental
fluids and emission modeling through
several years of tenure at University of Utah,
University of Wisconsin and Los Alamos National
lab. Nilesh has a MSME from the University
of Utah and University of Wisconsin-Madison. His research at the University of Wisconsin
was in the area of emission modeling. Nilesh
developed a phenomenological Carbon Monoxide (CO)
emission model for conventional as well as low
temperature (HCCI & PCI) diesel combustion. He
validated his model with various operating mode data
from a production conventional diesel engine and for
advanced start of injection case data from a LTC
diesel engine. Nilesh also worked at Powertrain Systems
Research Lab at GM R&D center in Warren, MI as a
graduate intern. He calibrated a production diesel
engine built in WAVE using experimental data
provided by GM. He used in-built optimization tools
in MATLAB to tune his kinetic CO emission model with
the experimental data.
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