Applications: Flow-through permeable media have
a wide range of applications in biomedical engineering, geophysical
fluid dynamics, and recovery and refinement of underground reservoirs
and large-scale chemical applications such as filters, catalysts,
and adsorbents. Therefore, this study on a nanoliquid in a permeable
channel is conducted under physical constraints. Purpose and
Methodology: The key purpose of this research is to introduce
a new biohybrid nanofluid model (BHNFM) with (Ag–G)hybridnanoparticles with additional significant physical effects of quadratic radiation,
resistive heating, and magnetic field. The flow configuration is set
between the expanding/contracting channels, which has broad applications,
especially in biomedical engineering. The modified BHNFM was achieved
after the implementation of the bitransformative scheme, and then
to obtain physical results of the model, the variational iteration
method was applied. Core Findings: Based on a thorough
observation of the presented results, it is determined that the biohybrid
nanofluid (BHNF) is more effective than mono-nano BHNFs in controlling
fluid movement. The desired fluid movement for practical purposes
can be achieved by varying the wall contraction number (α1 = −0.5, −1.0, −1.5, −2.0) and
with stronger magnetic effects (M = 1.0,9.0,17.0,25.0).
Furthermore, increasing the number of pores on the surface of the
wall causes the BHNF particles to move very slowly. The temperature
of the BHNF is affected by the quadratic radiation (R
d), heating source (Q
1), and
temperature ratio number (θr), and this is a dependable
approach to acquire a significant amount of heat. The findings of
the current study can aid in a better understanding of parametric
predictions in order to produce exceptional heat transfer in BHNFs
and suitable parametric ranges to control fluid flow inside the working
area. The model results would also be useful for individuals working
in the fields of blood dynamics and biomedical engineering.