Numerical modeling of aquifer thermal energy storage system

Kim, Jongchan; Lee, Young-Min; Yoon, Woon Sang; Jeon, Jae Soo; Koo, Min-Ho; Keehm, Youngseuk

doi:10.1016/j.energy.2010.08.029

Cited by 97 publications

(45 citation statements)

References 26 publications

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“…1e). Kim et al (2010) presented a similar finding: the propagation of a thermal front increases with decreasing hydraulic resistance. Similarly, when the hydraulic conductivity in the lateral direction is greater than that in the vertical direction, temperature anomalies propagate more in the lateral direction (Fig.…”

Section: Sensitivity For Anisotropy Of Porous Mediumsupporting

confidence: 65%

“…1b) was 50-150 m 3 /day (Kim et al 2010). The injection timing was varied in the different scenarios studied.…”

Section: Injection Rate and Timingmentioning

confidence: 99%

“…Ferguson and Woodbury (2006) studied the use of groundwater for cooling purposes in four buildings in Canada and found that the increases in temperature observed were due to the spacing between injection wells being smaller than the optimal spacing for such systems. Kim et al (2010) evaluated the performance of geothermal energy systems for different site conditions and found that their performance can be significantly affected by varying the distance between two wells and the pumping/injection rates. However, to date, most studies of geothermal systems have been conducted under specific site conditions and have addressed the influence of limited parameters.…”

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confidence: 99%

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Simulating thermal pollution caused by a hypothetical groundwater heat pump system under different climate, operation and hydrogeological conditions

2015

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Section: Sensitivity For Anisotropy Of Porous Mediumsupporting

confidence: 65%

“…1b) was 50-150 m 3 /day (Kim et al 2010). The injection timing was varied in the different scenarios studied.…”

Section: Injection Rate and Timingmentioning

confidence: 99%

mentioning

confidence: 99%

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Simulating thermal pollution caused by a hypothetical groundwater heat pump system under different climate, operation and hydrogeological conditions

2015

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“…Recently, ATES has become more popular, considering the problems caused by the depletion of fossil fuels and the increase of global warming [5,6]. Aquifer Thermal Energy Storage (ATES) systems are generally considered to be economically viable for the seasonal storage of thermal energy.…”

Section: Introductionmentioning

confidence: 99%

Economic and Environmental Evaluations of Different Operation Alternatives of an Aquifer Thermal Energy Storage in Tehran, Iran

2017

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Abstract. Aquifers are underground porous formations containing water. Con ned aquifers are surrounded by impermeable layers on top and bottom, called cap rocks and bed rocks. A con ned aquifer with a very low groundwater ow velocity was considered to meet the annual cooling and heating energy requirements of a residential building complex in Tehran, Iran. Three di erent alternatives of Aquifer Thermal Energy Storage (ATES) were employed to meet the heating/cooling demands of the buildings. These alternatives were using ATES for: cooling alone, heating alone by coupling with at-plate solar collectors, and cooling and heating by coupling with a heat pump. For the economic evaluation of the alternatives, a life cycle cost analysis was employed. For the environmental evaluation, Ret Screen software was employed. For the considered 3 operational alternatives, using ATES for cooling alone had the minimum payback period time of 2.41 years and the life cycle cost of 16000 $. In the environmental perspective, among the 3 alternatives, coupling of ATES with heat pump for cooling and heating had the minimum CO 2 generation, corresponding to 359 tons/year.

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“…A driving force for research on this subject is engineering applications, such as geothermal systems , heat exchangers (Diao et al, 2004), thermal insulation (Birhanu et al, 2015a;Kim et al, 2010), and safety issues regarding storage of nuclear waste (Sun et al, 2010).…”

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confidence: 99%

Analytical and Numerical Solutions of Radially Symmetric Aquifer Thermal Energy Storage Problems

Birhanu

Kitterød

Krogstad³

et al. 2017

Preprint

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Abstract. The paper discusses analytical and numerical radial solutions of the differential equations for heat transport in water-saturated porous media. In particular, a similarity solution is obtained for a 2D-horizontal confined aquifer with constant radial flow. Numerical solutions are derived using a high-resolution Lagrangian approach suppressing spurious oscillations and artificial dispersion. There is a good correspondence between numerical and analytical solutions.The primary purpose of the investigation has been to calculate the recovery factor of an Aquifer Thermal Energy Storage 5 (ATES) system with a cyclic repetition of injection and pumping. Solutions covering both instantaneous and delayed heat transfer between fluid and solid, as well as time varying water flow, are derived and applied to a one-well test case.In hydrological terms, these solutions are relevant for a wide range of problems where groundwater reservoirs are utilized for extraction and storage (viz. irrigation; water supply; geothermal extraction).

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Numerical modeling of aquifer thermal energy storage system

Cited by 97 publications

References 26 publications

Simulating thermal pollution caused by a hypothetical groundwater heat pump system under different climate, operation and hydrogeological conditions

Simulating thermal pollution caused by a hypothetical groundwater heat pump system under different climate, operation and hydrogeological conditions

Economic and Environmental Evaluations of Different Operation Alternatives of an Aquifer Thermal Energy Storage in Tehran, Iran

Analytical and Numerical Solutions of Radially Symmetric Aquifer Thermal Energy Storage Problems

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