|
| Authors/type | Methodology | Comparison between experimental and simulation results | Reference |
|
| Mihalakakou et al. (1995), ground temperature prediction at various depths | A transient numerical model | An accurate agreement observed | [68] |
|
| Gauthier et al. (1997), soil heat exchanger-storage system (SHESS) | A transient numerical model simulated in software FLOW3D (AEA, 1992) | A remarkable agreement observed | [34] |
|
|
Mihalakakou (2003), buried pipe | (i) An accurate, dynamic, deterministic, numerical model (TRNSYS)
(ii) A neural network approach | Good agreement observed | [69] |
|
| Breesch et al. (2005), earth-to-air heat exchanger | Simulation model TRNSYS-COMIS | No such comparison available | [70] |
|
| Wu et al. (2007), earth-air-pipe systems | CFD platform, PHOENICS | Good agreement obtained | [29] |
|
| Kumar et al. (2008), earth-to-air heat exchanger | The fully implicit, transient model solved in MATLAB (version 6.5) and validated with numerical solutions from FLUENT | Very good agreement showed | [60] |
|
| Bansal et al. (2009), earth-pipe-air heat exchanger (EPAHE) | A transient and implicit model. CFD code: FLUENT 6.3 (standard k-e model) | Fair agreement observed | [2] |
|
| Gustafsson et al. (2010), borehole heat exchangers (BHE) | Steady-state CFD model: FLUENT | Good agreement observed | [61] |
|
| Al-Khoury et al. (2010), borehole heat exchangers (BHE) | A finite element modeling (FEM) technique used | Good agreement observed | [62] |
|
Mnasri et al. (2010), buried coaxial
exchanger | A hybrid model of finite volume method (FVM) and the boundary element method (BEM) is used | No such comparison available | [64] |
|
| Bansal et al. (2010), earth-pipe-air heat exchanger (EPAHE) | A transient and implicit model. CFD code: FLUENT 6.3 (standard k-e model) | Good agreement observed | [3] |
|
Vaz et al. (2011), earth-air heat
exchanger | (i) Finite volume method (FVM) code: FLUENT
(ii) Turbulence is tackled with the Reynolds stress model (RSM) | The highest difference found was lower than 15% | [63] |
|
| Badescu and Isvoranu (2011), earth-to-air heat exchangers (EAHEs) of registry type | Computational fluid dynamics (CFD) model | A good agreement observed | [71] |
|
| Bansal et al. (2012), earth-air-tunnel heat exchanger (EATHE) | Multiphase CFD modeling: FLUENT 6.3 | Difference of DBT = 3.4–8.0%; RH = 2.5–6.4% | [55] |
|
| Bansal et al. (2012), EATHE system integrated with evaporative cooling system | Transient and implicit model based on computational fluid dynamics | No such comparison available | [56] |
|
| Khalajzadeh et al. (2012), ground heat exchanger (GHE) and indirect evaporative cooler (IEC) hybrid system | Mathematical model simulated in 3D CFD software | No such comparison available | [65] |
|
| Misra et al. (2013), earth-air-tunnel heat exchanger (EATHE) | CFD code: FLUENT 6.3 | The range of derating min. 0% to max. 64% | [58] |
|
| Bansal et al. (2013), earth-air-tunnel heat exchanger (EATHE) | CFD code: GAMBIT version 2.3 | Small difference (3.4–8.0%) is observed | [57] |
|
| Flaga-Maryanczyka et al. (2014), ground source heat exchanger | CFD ANSYS FLUENT software package | Good agreement observed | [66] |
|
| Ramírez-Dávila et al. (2014), earth-to-air heat exchanger (EAHE) | A computational fluid dynamics code based on the finite volume method | No such comparison available | [67] |
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