Author
Andrzej F. Nowakowski
Other affiliations: University of Manchester, Warsaw University of Technology
Bio: Andrzej F. Nowakowski is an academic researcher from University of Sheffield. The author has contributed to research in topics: Laplace operator & Fractional calculus. The author has an hindex of 18, co-authored 82 publications receiving 954 citations. Previous affiliations of Andrzej F. Nowakowski include University of Manchester & Warsaw University of Technology.
Papers published on a yearly basis
Papers
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TL;DR: The paper presents the application of the developed 3D finite element code to hydrocyclone modelling and indicates the versatility and the effectiveness of the new approaches.
132 citations
TL;DR: In this paper, simulations of the flow within the solid-liquid hydrocyclone operating with an air core and with an inserted metal rod were performed. And the effect of the inserted-rod on the velocity distributions and the separation performance was investigated.
56 citations
TL;DR: In this article, the effect of particle-fluid and particle-particle interactions of the flow within a hydrocyclone was investigated by applying the time-scale analysis, and it was shown that the particle-fluid interactions, due to the lubrication and collision mechanisms, only play an important role in the vicinity of a hydrocycle wall, and near the air core.
53 citations
TL;DR: In this paper, a modified version of the existing design equations presented by previous researchers was developed and used to predict the separation performance of many hydrocyclone operational systems at the Dow Chemical Company, Texas, USA.
49 citations
TL;DR: In this article, the thermal performance of a shell and tube heat exchanger was numerically investigated and the use of metal fin shapes was suggested as an innovative fin shape to accelerate PCM melting process in the STHX.
47 citations
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01 Jan 2015
3,828 citations
TL;DR: Van Kampen as mentioned in this paper provides an extensive graduate-level introduction which is clear, cautious, interesting and readable, and could be expected to become an essential part of the library of every physical scientist concerned with problems involving fluctuations and stochastic processes.
Abstract: N G van Kampen 1981 Amsterdam: North-Holland xiv + 419 pp price Dfl 180 This is a book which, at a lower price, could be expected to become an essential part of the library of every physical scientist concerned with problems involving fluctuations and stochastic processes, as well as those who just enjoy a beautifully written book. It provides an extensive graduate-level introduction which is clear, cautious, interesting and readable.
3,647 citations
Book•
01 Jan 2013
TL;DR: In this paper, the authors consider the distributional properties of Levy processes and propose a potential theory for Levy processes, which is based on the Wiener-Hopf factorization.
Abstract: Preface to the revised edition Remarks on notation 1. Basic examples 2. Characterization and existence 3. Stable processes and their extensions 4. The Levy-Ito decomposition of sample functions 5. Distributional properties of Levy processes 6. Subordination and density transformation 7. Recurrence and transience 8. Potential theory for Levy processes 9. Wiener-Hopf factorizations 10. More distributional properties Supplement Solutions to exercises References and author index Subject index.
1,957 citations
TL;DR: The Thermophysical Properties Research Literature Retrieval Guide as discussed by the authors was published by Y. S. Touloukian, J. K. Gerritsen and N. Y. Moore.
Abstract: Thermophysical Properties Research Literature Retrieval Guide Edited by Y. S. Touloukian, J. K. Gerritsen and N. Y. Moore Second edition, revised and expanded. Book 1: Pp. xxi + 819. Book 2: Pp.621. Book 3: Pp. ix + 1315. (New York: Plenum Press, 1967.) n.p.
1,240 citations
10 Jun 2005
TL;DR: This work focuses on the design of a new approximation algorithm that reduces the cost of functional evaluations and yet increases the attainable order higher, and the classical ERK methods.
Abstract: During the last decade, a big progress has been achieved in the analysis and numerical treatment of Initial Value Problems (IVPs) in Differential Algebraic Equations (DAEs) and Ordinary Differential Equations (ODEs). In spite of the rich variety of results available in the literature, there are still many specific problems that require special attention. Two of such, which are considered in this work, are the optimization of order of accuracy and reduction of cost of functional evaluations of Explicit Runge - Kutta (ERK) methods.
Traditionally, the maximum attainable order p of an s-stage ERK method for advancing the solution of an IVP is such that
p(s)
4
In 1999, Goeken presented an s-stage ERK Method of order p(s)=s +1,s>2.
However, this work focuses on the design of a new approximation algorithm that reduces the cost of functional evaluations and yet increases the attainable order higher
U n and Jonhson [94]; and the classical ERK methods. The order p of
the new scheme called Multiderivative Explicit Runge-Kutta (MERK) Methods is such that p(s) 2. The stability, convergence and implementation for the optimization of IVPs in DAEs and ODEs systems are also considered.
665 citations