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A new contribution to the finite line-source model for geothermal boreholes
AbstractHeat transfer around vertical ground heat exchangers is a common problem for the design and simulation of ground-coupled heat pump (GCHP) systems. Most models are based on step response of the heat transfer rate, and the superposition principle allows the final solution to be in the form of the convolution of these contributions. The step response is thus a very important tool. Some authors propose numerical tabulated values while others propose analytical solutions for purely radial problem as well as axisymmetric problems. In this paper we propose a new analytical model that yields results very similar to the tabulated numerical ones proposed in the literature. Analytical modeling offers better flexibility for a parameterized design.
A new contribution to the finite line-source model for geothermal boreholes
AbstractHeat transfer around vertical ground heat exchangers is a common problem for the design and simulation of ground-coupled heat pump (GCHP) systems. Most models are based on step response of the heat transfer rate, and the superposition principle allows the final solution to be in the form of the convolution of these contributions. The step response is thus a very important tool. Some authors propose numerical tabulated values while others propose analytical solutions for purely radial problem as well as axisymmetric problems. In this paper we propose a new analytical model that yields results very similar to the tabulated numerical ones proposed in the literature. Analytical modeling offers better flexibility for a parameterized design.
A new contribution to the finite line-source model for geothermal boreholes
Lamarche, Louis (author) / Beauchamp, Benoit (author)
Energy and Buildings ; 39 ; 188-198
2006-06-20
11 pages
Article (Journal)
Electronic Resource
English
A new contribution to the finite line-source model for geothermal boreholes
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