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Experimental and Theoretical Studies on Design Calculations for Latent Heat Storage

Dieter Lindemann

Abstract
Research was conducted to obtain design data of latent heat-of-fusion thermal energy storage (LHTES) devices. The devices studied utilize a porous medium (PM) to increase the effective conductivity of the storage system. Therefore the melting and freezing process is accelerated. Metal shavings and metal spheres were used as porous media and water as the phase change medium (PCM). A simple experimental method to measure the conductivity of a water-metal mixture or ice-metal mixture was applied to obtain conductivity data. These measurements can be considered fairly accurate because measured conductivity of pure water and of pure ice agreed very well with those of accepted tables. The comparison of the measured conductivity for porous media with values obtained from several formulas from the literature showed that no formula predicts the conductivity with an acceptable accuracy.

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Date:1987-08-01
Type of work: Master Thesis
Advisor / Examiner:Wolfgang Leidenfrost
Examiner:Raymond Viskanta
Examiner:Joseph Pearson
University:Purdue University, West Lafayette, Indiana, USA
Published by:Aircraft Design and Systems Group (AERO), Department of Automotive and Aeronautical Engineering, Hamburg University of Applied Sciences
This work is part of:transparent pin for text alignment Digital Library - Projects & Theses - Prof. Dr. Scholz --- http://library.ProfScholz.de pin
 
PERSISTENT IDENTIFIER:
URN: https://nbn-resolving.org/urn:nbn:de:gbv:18302-aero1987-08-01.011 (to reach this page)
DOI:https://doi.org/10.15488/9405
ARK:https://n2t.net/ark:/13960/s25hs25sp7x
Associated research data:https://doi.org/none    (none)
URLs registered with URN: Show all links associated with this text!
 
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Keywords, German (GND): Thermodynamik,   Wärmeleitfähigkeit,   Wärmespeicherung,   Umwandlungsenthalpie
Keywords, English (LCSH): Thermodynamics,   Thermal conductivity,   Heat storage,   Latent heat of fusion
Keywords, free: Phasenumwandlung, Porosität, Heat storage--Mathematical models, Porosity, Water, Ice, melting, freezing, shavings, metal
DDC: 536.7,    536.2012,    621.4712
RVK: UG 1200

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Prof. Dr.-Ing. Dieter Scholz, MSME
E-Mail see: http://www.ProfScholz.de

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LINDEMANN, Dieter, 1987. Experimental and Theoretical Studies on Design Calculations for Latent Heat Storage. Master Thesis. Purdue University, West Lafayette, Indiana, USA. Available from: https://nbn-resolving.org/urn:nbn:de:gbv:18302-aero1987-08-01.011 [viewed YYYY-MM-DD].

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LAST UPDATE:  22 November 2021
AUTHOR:  Prof. Dr. Scholz
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