Calculation of Temperature Plumes in Groundwater with analytical and numerical Models (2022)

被引：0

作者：

Ohmer, Marc ^{[1
]}

Klester, Artur ^{[1
]}

Kissinger, Alexander ^{[2
]}

Mirbach, Stefan ^{[2
]}

Class, Holger ^{[3
]}

Schneider, Martin ^{[3
]}

Lindenlaub, Martin ^{[4
]}

Bauer, Michael ^{[5
]}

Liesch, Tanja ^{[1
]}

Menberg, Kathrin ^{[1
]}

Blum, Philipp ^{[1
]}

机构：

[1] Karlsruher Inst Technol KIT, Inst Angew Geowissenschaften AGW, Adenauerring 20b, D-76131 Karlsruhe, Germany

[2] Ingenieurgesellschaft Prof Kobus & Partner GmbH, Wilhelm Haas Str 6, D-70771 Leinfelden Echterdingen, Germany

[3] Univ Stuttgart, Inst Wasser & Umweltsystemmodellierung, Pfaffenwaldring 61, D-70569 Stuttgart, Germany

[4] Fachbereich Wasser & Boden, Landratsamt Breisgau Hochschwarzwald, Stadt Str 2, D-79104 Freiburg, Germany

[5] Landesamt Geol Rohstoffe & Bergbau LGRB, Regierungsprasidium Freiburg, Albert Str 5, D-79104 Freiburg, Germany

来源：

GRUNDWASSER | 2022年 / 27卷 / 02期

关键词：

Concept model; Geothermal energy; Groundwater heat pump; Heat transfer modeling;

D O I：

10.1007/s00767-022-00513-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

With increasing numbers of groundwater heat pump systems, the potential for user conflicts is also increasing. As part of the approval process, it is therefore necessary to delineate the temperature plumes in groundwater emanating from those wells. Hence, in the state of Baden-Württemberg, the thermal online model (TOM) was developed as an extension to the existing guidelines for open systems ≤ 45,000 kWh/a. TOM is a simplified, browser-based, numerical groundwater model. The objective of this study is to evaluate the temperature fields calculated using TOM with analytically calculated temperature fields and calculations using a calibrated numerical model. The results show that analytical calculation methods generally overestimate the extent of the temperature plumes in relation to the numerical models. For smaller and medium-sized systems (< 10 l/s), comparable results were calculated with TOM as with a calibrated numerical model. For larger systems (> 10 l/s), simulation with a calibrated numerical model is recommended. © 2022, The Author(s).

引用

页码：149 / 150

页数：2

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