  Over the last few decades, both heat and broadband sound reduction have
become increasingly significant as a result of concerns about the environment
and noise pollution. In order to address this challenge, we provide a finite
element analysis study of an acoustic metamaterial panel consisting of a unit
cell made of two Helmholtz Resonators with a guide in between. These panels can
attenuate and control both sound propagation and heat flux. For noise pollution
in a building, we first determine the geometric dimension that corresponds to
the operative frequency range. Furthermore, we investigate the sound
transmission loss of the proposed panel as a function of the periodicity of an
array of unit cells. Additionally, we investigate the thermal flux induced by
the panel, especially within a 24-hour period. The simulation results show that
the proposed panel provides a level of sound attenuation within the frequency
range of 400 Hz to 2.5 kHz, as well as interesting heat protection. The
structure is compared to panels made up of a homogeneous medium and without
Helmholtz resonators.
