Parametric Analysis of Impact of Geometrical Parameters on Thermal Performance in Compact Heat Exchangers 2020-28-0025
Compact heat exchangers are extensively used in the automotive
sector, especially in engine cooling and passenger cabin cooling.
Considering the evolution of compact heat exchangers from the past
several years, development on the compactness has grown up rapidly
with the market demand. In line with the futuristic view, it has
become mandatory to optimize their thermal performance along with
compactness, manufacturing feasibility and durability requirement.
The present work investigates the impact of various geometrical
parameters of tube & fin design on the heat transfer
coefficient and pressure drop. The parametric study determines the
most optimized core matrix by considering the manufacturing
constraints using mathematical & analytical modeling. The
system is mathematically modeled and then simulated to estimate the
heat transfer rate, weight, free flow area, wetted area, etc. The
output parameters are normalized with respect to the existing
product performance benchmark and the percentage improvement on
various criterion are evaluated. This study can be useful for
designers to understand the significance of various parameters of
heat exchanger design, which can be utilized to optimize their
designs to achieve maximum thermal performance.
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