Thermophysical comparison of five commercial paraffin waxes as latent heat storage materials

N Ukrainczyk, S Kurajica, J Šipušić - Chemical and biochemical …, 2010 - hrcak.srce.hr
Sažetak Thermophysical properties of phase change materials (PCM) are of utmost
importance in latent heat thermal energy storage (LHTES) applications. Therefore, an …

A modified Levenberg–Marquardt algorithm for simultaneous estimation of multi-parameters of boundary heat flux by solving transient nonlinear inverse heat …

M Cui, K Yang, X Xu, S Wang, X Gao - … Journal of Heat and Mass Transfer, 2016 - Elsevier
Despite numerous studies of Levenberg–Marquardt (LM) algorithms for solving inverse heat
conduction problems, sensitivity coefficients are mainly evaluated by numerical …

A new approach for determining damping factors in Levenberg-Marquardt algorithm for solving an inverse heat conduction problem

M Cui, Y Zhao, B Xu, X Gao - International Journal of Heat and Mass …, 2017 - Elsevier
Damping factor is a key parameter in Levenberg-Marquardt algorithm for solving inverse
problems, which significantly affects the efficiency and the convergence stability of …

A new damping strategy of Levenberg-Marquardt algorithm with a fuzzy method for inverse heat transfer problem parameter estimation

R Sajedi, J Faraji, F Kowsary - … Communications in Heat and Mass Transfer, 2021 - Elsevier
In this paper for the first time, the Levenberg-Marquardt (LM) algorithm assisted by a fuzzy
method is presented to solve an inverse heat transfer problem. Given the importance of the …

Thermal properties of hydrating calcium aluminate cement pastes

N Ukrainczyk, T Matusinović - Cement and concrete research, 2010 - Elsevier
As the hydration of calcium aluminate cements (CAC) is highly temperature dependent,
yielding morphologically and structurally different hydration products that continuously alter …

A new approach for the estimation of temperature-dependent thermal properties by solving transient inverse heat conduction problems

M Cui, X Gao, J Zhang - International Journal of Thermal Sciences, 2012 - Elsevier
A new method is proposed for estimating temperature-dependent thermal properties using
solutions to transient inverse heat conduction problems. The prior information on the …

Shape reconstruction in transient heat conduction problems based on radial integration boundary element method

GH Jiang, CH Tan, WW Jiang, K Yang… - International Journal of …, 2022 - Elsevier
In order to accurately identify the geometric boundary, the radial integration boundary
element method (RIBEM) combined with the modified Levenberg-Marquardt (LM) algorithm …

Estimation of ground thermal diffusivity using the conjugate gradient method with adjoint problem formulation

Z Karashbayeva, J Berger, HRB Orlande, B Rysbaiuly - Urban Climate, 2023 - Elsevier
In the context of better evaluating the energy balance between the ground surface and the
urban thermal environment, the ground diffusivity is a crucial parameter. The aim of this …

A new modified Levenberg-Marquardt algorithm for identifying the temperature-dependent conductivity of solids based on the radial integration boundary element …

K Yang, GH Jiang, HF Peng, XW Gao - … Journal of Heat and Mass Transfer, 2019 - Elsevier
In this paper, combination of radial integration boundary element method (RIBEM) with
complex variable and Levenberg-Marquardt algorithm (LMA) is firstly proposed to identify …

A new method to identify non-steady thermal load based on element differential method

ZY Zhou, B Ruan, GH Jiang, BB Xu, HY Liu… - International Journal of …, 2023 - Elsevier
Inverse heat conduction problems (IHCPs) are widely used to identify the thermal load
imposed on the components in aerospace fields, and the accuracy and robustness of …