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Main Title: The Honigmann Process - a mathematical study
Author(s): Baum, Ann-Kristin
Strenge, Lia
Type: Research Paper
Abstract: The Honigmann process is a thermochemical energy storage converting low temperature heat into mechanical work. To control and optimize the operation of the storage, the Honigmann process is simulated numerically using a set of differential-algebraic equations (DAEs) as governing equations. We analyze this DAE regarding its solvability, the uniqueness of solutions and the efficiency of numerical solvers. We identify the steps of the process modeled by a reliable, uniquely solvable mathematical model and point out those steps, where the mathematical model may lead to ambiguous solutions. For the steps of the process described by a uniquely solvable model, we compare several numerical solvers with respect to efficiency and accuracy.
Subject(s): thermochemical energy storage
Honigmann process
strangeness index
differential-algebraic equations
Issue Date: 3-Aug-2015
Date Available: 17-Dec-2021
Language Code: en
DDC Class: 510 Mathematik
MSC 2000: 34A09 Implicit equations, differential-algebraic equations
65L80 Methods for differential-algebraic equations
Series: Preprint-Reihe des Instituts für Mathematik, Technische Universität Berlin
Series Number: 2015, 04
ISSN: 2197-8085
TU Affiliation(s): Fak. 2 Mathematik und Naturwissenschaften » Inst. Mathematik
Appears in Collections:Technische Universität Berlin » Publications

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