Over the last several decades, many low energy technologies have been developed
and deployed to reduce building energy consumption. Among various solutions, solar
photovoltaic thermal (PVT) collectors and phase change materials (PCMs) are
among the most promising methods receiving increasing attention. This paper
presents a thermal performance evaluation and optimal design of buildings integrated
with air-based solar PVT collectors and PCMs embedded in the building envelope by
using The Hooke-Jeeves pattern search method. The Hooke-Jeeves generalized
pattern search is used to search for optimal solutions of the optimization problem.
The variables optimized include the PVT air flow rate, additional wall insulation and
PCM layer thickness. The optimal values identified by using the Hooke-Jeeves pattern
search method for the PVT air flow rate, additional wall insulation and PCM layer
thickness were 1359.4 kg/h, 3.0 m2·K/W and 0.03 m, respectively. The Coefficient of
Thermal Performance Enhancement (CTPE) of the house reached 72.6% when the
optimal design values identified were used.