Academic literature on the topic 'Warmwasserspeicher'
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Journal articles on the topic "Warmwasserspeicher":
Hofstätter, Reinhard. "Haustechnik 2.0 – „Kabel statt Rohre“." HLH 70, no. 02 (2019): 99–100. http://dx.doi.org/10.37544/1436-5103-2019-02-99.
Bauer, Thomas. "Energie aus dem Salz." BWK ENERGIE. 71, no. 05 (2019): 42–44. http://dx.doi.org/10.37544/1618-193x-2019-05-42.
Kepplinger, Peter, Bernhard Fässler, Gerhard Huber, Muhandiram Arachchige Subodha Thara Ireshika, Klaus Rheinberger, and Markus Preißinger. "Autonomes Demand Side Management verteilter Energiespeicher." e & i Elektrotechnik und Informationstechnik 137, no. 1 (December 13, 2019): 52–58. http://dx.doi.org/10.1007/s00502-019-00782-9.
Wetzig, Florian. "Nachwuchs für den Blauen Engel." Ökologisches Wirtschaften - Fachzeitschrift 21, no. 2 (May 1, 2006). http://dx.doi.org/10.14512/oew.v21i2.443.
Dissertations / Theses on the topic "Warmwasserspeicher":
Lohse, Rolf [Verfasser]. "Einfluss von Beladeeinrichtungen auf die thermische Schichtung in Warmwasserspeichern / Rolf Lohse." Aachen : Shaker, 2010. http://d-nb.info/1104047373/34.
Drück, Harald [Verfasser]. "Mathematische Modellierung und experimentelle Prüfung von Warmwasserspeichern für Solaranlagen / Harald Drück." Aachen : Shaker, 2007. http://d-nb.info/1166510301/34.
Findeisen, Fabian. "Radiale Diffusoren in Warmwasserspeichern: Einfluss des Beladesystems auf Strömungsverhalten und Schichtungsqualität." Technische Universität Chemnitz, 2018. https://monarch.qucosa.de/id/qucosa%3A21083.
Radial diffusers have a significant influence on the quality of thermal stratification in hot water storage tanks. In order to improve the efficiency of energy storage, it is necessary to understand the complex flow behaviour. This thesis provides a basis for describing the effects and introduces a CFD simulation model. An innovative storage tank construction is used as the object of investigation, whereby the radial diffuser is mounted directly to a floating ceiling. Advantages of this arrangement are shown, flow effects are described and the influence of different loader geometries on the thermal stratification is investigated. For discharging up to 98 °C at atmospheric pressure, a flow-optimized free-form diffuser was developed to avoid cavitation inside the loading device. The tests also show that a highly asymmetrical and unidirectional flow over the circumference of the radial diffuser can occur during loading. Thanks to countermeasures like baffles and perforated plates, an almost symmetrical outflow can be restored and the stratification quality improved. In addition to numerical studies with RANS and LES, numerous experiments in the laboratory and at a 100m3 store were performed.
Findeisen, Fabian [Verfasser], Bernd [Akademischer Betreuer] Platzer, Bernd [Gutachter] Platzer, and Günter [Gutachter] Wozniak. "Radiale Diffusoren in Warmwasserspeichern : Einfluss des Beladesystems auf Strömungsverhalten und Schichtungsqualität / Fabian Findeisen ; Gutachter: Bernd Platzer, Günter Wozniak ; Betreuer: Bernd Platzer." Chemnitz : Technische Universität Chemnitz, 2018. http://d-nb.info/1214819230/34.
Urbaneck, Thorsten, Fabian Findeisen, Jan Markus Mücke, Stephan Lang, Markus Gensbaur, Dominik Bestenlehner, Harald Drück, Robert Beyer, and Konrad Pieper. "Oberirdische Speicher in Segmentbauweise für Wärmeversorgungssysteme – OBSERW: Abschlussbericht zum Verbundvorhaben." Technische Universität Chemnitz, 2018. https://monarch.qucosa.de/id/qucosa%3A21071.
In the project, an alternative construction for thermal energy stores in the range of 500 to 6000 m3 was developed for operation in solar and district heating systems. Large cold water storage tanks in segmental construction are the starting point. Their construction technology offers a significant potential for cost reduction compared to welded flat-bottom tanks, but could so far not be transferred to hot water storage tanks. Due to the new design and the project objectives, the wall structure, the internals and the periphery had to be completely revised. This report provides a description of the storage system and the results of the joint project. The functionality was proven with a three-stage procedure. The planned procedure with laboratory tests on a small scale up to the test with a demonstrator on a real scale (100 m3) was necessary and purposeful. The main tasks (e.g. material testing, design, operation) were carried out by the participating research institutions in a network. The basic potential for a later application in solar local heating systems or secondary network areas of conventional district heating is given. Significant improvements were realized, especially in regard of the charging system and the wall construction. However, further optimizations and the transfer to larger storage tanks is still pending.
Sayouf, Mohamad Anis. "Simulation thermischer Kurzzeit-Multispeichersysteme." 2018. https://monarch.qucosa.de/id/qucosa%3A33728.
The application of short-term multi-water storage of different temperature levels with the integration of solar thermal and other heat sources for different temperature consumers is still not widely used today. So far, hardly any short-term multi-water storage has been studied for industrial applications in combination with a solar thermal system and a heat recovery as well as other heat sources. In this thesis, a simulation for possible implementation of several hot and/or warm water reservoirs, in which the water quantities are variable, is carried out for different applications. The shortterm multi-storage system is not only considered as water storage but also as heat distribution of several heat sources and heat consumers. The calculations assess the short-term multi-storage system from an energy point of view. Thereby, the considerations for several case studies for comparison with the city of Chemnitz, Germany and the city Homs, Syria will be carried out exemplarily. The arrangements and thermal insulation of storage elements as well as the connections between the containers in the storage system have also been investigated. The simulations are based on a program in MATLAB, which consists of several subroutines to simplify the calculation. One and two-dimensional matrices are used. The results of the energetic investigations show a potential increase of the solar energy yield and other available heat sources as well as savings of conventional energy consumption.
Urbaneck, Thorsten, Shrestha Nirendra Lal, Thomas Oppelt, Ophelia Frotscher, Thomas Göschel, Ulf Uhlig, and Holger Frey. "Solare Fernwärme für das Quartier Brühl in Chemnitz – Begleitforschung (SolFW): Abschlussbericht zum Forschungsvorhaben." 2020. https://monarch.qucosa.de/id/qucosa%3A39045.
Buhl, Marcus. "Analyse von Strömungseffekten in Schichtenladersystemen." 2018. https://monarch.qucosa.de/id/qucosa%3A31822.
Solar thermal energy makes a significant contribution to reducing the consumption of fossil fuels. Hot water storage tanks are often equipped with gravity-based stratification devices. Up to now, the complex flow in the loading system and the effects on storage efficiency are only been rudimentarily known. In this Phd thesis, therefore, detailed examination of the hydrodynamic effects in a stratification device is conducted. 3D-CFD investigations show that a fluctuating flow exists in the device which correlate with the outflow behaviour and has a negative influence on the thermal stratification in the storages. Variations of the operating parameters and device geometry illustrates their influence on flow effects in the loading system. Experimental PIV/PLIF investigations confirm the results obtained from the CFD, such as flow asymmetries in the stratification device and a temporally periodic outflow. In addition, the experimental measurements identify strong instationarities of the flow.