Numerical Research and Parametric Study on the Thermal Performance of a Vertical Earth-to-Air Heat Exchanger System

<div>(a) The influence of the length of insulation layers on the outlet air temperature in winter. (b) The influence of the length of insulation layers on the outlet air temperature in summer.</div>

Mathematical Problems in Engineering

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Figure 16

Figure 16: Numerical Research and Parametric Study on the Thermal Performance of a Vertical Earth-to-Air Heat Exchanger System 