A study of convective heat fluxes for materials interacting with dust-loaded flows by inverse problems method

Ненарокомов, А. В.; Alifanov, O. M.; Artioukhine, E.; Repin, I. V.

doi:10.1016/j.ijthermalsci.2004.02.023

Cited by 3 publications

(3 citation statements)

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“…The methods based on solving IHTPs have found and continue to find numerous useful applications in diverse research and development. In the works of the author and his colleagues, the following major cycles of applications have been conducted in the field of basic and applied research relating to space technology: experimental determination of thermal conditions at the body surface (Alifanov et al , 2000, 2001, 2009; Nenarokomov et al , 2016); study of heat transfer in supersonic and hypersonic wind tunnels (Nenarokomov et al , 2016; Alifanov et al , 1977, 1979; Mishin and Alifanov, 1986; Zantsev et al , 1989); study of heat transfer in supersonic heterogeneous flows (Alifanov et al , 2009, 1993; Alifanov and Repin, 1994; Nenarokomov et al , 2004, 2011); investigation of porous cooling for thermal protection of re-entry vehicles (Alifanov and Tryanin, 1985; Alifanov et al , 1987; Tryanin, 1987); research of aerospace high temperature materials and shields [see the review and references in Alifanov (2015). control of heat transfer and design of thermal protection (Alifanov et al , 2001; Alifanov and Gejadze, 1997, 1998; Mikhailov, 1980); full-scale flight tests of thermal protection and thermal control systems (Alifanov, 1997b; Alifanov and Nenarokomov, 1996, 1999b); and thermal probes for space penetrators (Alifanov, 2015). …”

Section: Practical Applicationsmentioning

confidence: 99%

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Inverse problems in identification and modeling of thermal processes: Russian contributions

Alifanov

2017

HFF

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Purpose The main purpose of this study, reflecting mainly the content of the authors’ plenary lecture, is to make a brief overview of several approaches developed by the author and his colleagues to the solution to ill-posed inverse heat transfer problems (IHTPs) with their possible extension to a wider class of inverse problems of mathematical physics and, most importantly, to show the wide possibilities of this methodology by examples of aerospace applications. In this regard, this study can be seen as a continuation of those applications that were discussed in the lecture. Design/methodology/approach The application of the inverse method was pre-tested with experimental investigations on a special test equipment in laboratory conditions. In these studies, the author used the solution to the nonlinear inverse problem in the conjugate (conductive and convective) statement. The corresponding iterative algorithm has been developed and tested by a numerical and experimental way. Findings It can be stated that the theory and methodology of solving IHTPs combined with experimental simulation of thermal conditions is an effective tool for various fundamental and applied research and development in the field of heat and mass transfer. Originality/value With the help of the developed methods of inverse problems, the investigation was conducted for a porous cooling with a gaseous coolant for heat protection of the re-entry vehicle in the natural environment of hypersonic flight. Moreover, the analysis showed that the inverse methods can make a useful contribution to the study of heat transfer at the surface of a solid body under the influence of the hypersonic heterogeneous (dusty) gas stream and in many other aerospace applications.

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Section: Practical Applicationsmentioning

confidence: 99%

“…study of heat transfer in supersonic heterogeneous flows (Alifanov et al , 2009, 1993; Alifanov and Repin, 1994; Nenarokomov et al , 2004, 2011);…”

Section: Practical Applicationsmentioning

confidence: 99%

Inverse problems in identification and modeling of thermal processes: Russian contributions

Alifanov

2017

HFF

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“…Inverse problems dealing with cylindrical enclosures [18][19][20][21] have also been investigated NOMENCLATURE c p specific heat at constant pressure e…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Reconstruction of Thermal Field and Retrieval of Parameters in a Cylindrical Enclosure

Das

Mishra

Uppaluri

2008

Numerical Heat Transfer, Part A: Applications

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This article deals with the reconstruction of temperature/heat flux profile and retrieval of parameters in a transient conduction and radiation heat transfer problem in a concentric cylindrical enclosure. Reconstruction and retrievals are achieved through the genetic algorithm (GA). In the conduction problem, the lattice Boltzmann method coupled with the GA is used for the reconstruction and retrievals; whereas in the radiation problem, the same are achieved through the discrete transfer method and the GA. The accuracies of the estimated parameters are studied for the effects of measurement errors, genetic variables such as the best fitness, the population size, and the number of generations. Reconstructed temperature and heat flux profiles and the estimated parameters are in good agreement with the exact ones.

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A review of regularization strategies and solution techniques for ill-posed inverse problems, with application to inverse heat transfer problems

Singhal,

Goyal,

Singla

2023

Rev. Math. Phys.

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With the presence of a large number of inversion algorithms for inverse heat transfer problems (IHTPs) and non-IHTPs, a need for review to have a holistic view is seen. An exhaustive literature review, with the motivation of selecting the inversion technique best fit for a given problem, was made for a general inverse problem. For ill-posedness, a classification of available regularization algorithms namely Tikhonov’s regularization, Bayesian regularization, mollification method, Beck’s sequential approach and Alifanov’s iterative approach, has been provided. Inversion methods like singular value decomposition, truncated singular value decomposition, Tikhonov regularization and total variation regularization are explained. Optimization methods namely steepest descent method, conjugate gradient method, Newton method, Levenberg–Marquardt method, Lagrange method, adjoint method, function specification method, genetic algorithm, differential evolution and particle swarm optimization (PSO) are reviewed. Further, a technique based on neural networks is studied, and wavelet methods like shrinking and wavelet vaguelette decomposition are reviewed. Associated literature has also been listed, highlighting the gaps. The usability of various algorithms in IHTP, starting from the golden section search method, for retrieval of a single parameter, to the regularized versions of the inversion technique, for retrieval of multiple parameters with uncertainty, demonstrates real-life applications to fins in IHTP. An inversion algorithm capable to handle every kind of nonlinearity is sought in literature, whose absence raises the research question, “Is there a technique that works globally for every inverse problem?”, is asked prior to, “What if the available techniques were not utilized to an extent that they should?” is posed. In lieu of this gap, a general comparative framework is developed, such that an efficient technique is selected, based on the total minimum error, which can be used in any field of interest.

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A study of convective heat fluxes for materials interacting with dust-loaded flows by inverse problems method

Cited by 3 publications

References 2 publications

Inverse problems in identification and modeling of thermal processes: Russian contributions

Inverse problems in identification and modeling of thermal processes: Russian contributions

Simultaneous Reconstruction of Thermal Field and Retrieval of Parameters in a Cylindrical Enclosure

A review of regularization strategies and solution techniques for ill-posed inverse problems, with application to inverse heat transfer problems

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