Effect of Different Control Strategies on the Heat Transfer Mechanism of Helical Energy Piles
Pan Wei,
Kongqing Li,
Chenfeng Yu
et al.
Abstract:In this paper, numerical simulations of a special energy pile, which constitutes a spiral-injected pipe and one straight discharge pile for Geothermal Heat Pump Systems (SGHEs-P(parallel)), were conducted by Fluent software. The effects of the spiral pitches on the heat transfer rate based on the G-function method and peripheral soil temperature of the pile were investigated under continuous and intermittent operation strategies. The impact of spiral tube sizing on the surface heat transfer coefficients was st… Show more
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