Author
Octave Levenspiel
Bio: Octave Levenspiel is an academic researcher from University of Cambridge. The author has contributed to research in topics: Flow velocity & Residence time (fluid dynamics). The author has an hindex of 1, co-authored 1 publications receiving 81 citations.
Papers
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TL;DR: The results of tracer experiments can depend on the methods of injection and measurement of the tracer when the fluid velocity is not uniform through the injection/measurement planes as discussed by the authors.
84 citations
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TL;DR: In this paper, three new lumped-parameter models have been developed for the interpretation of environmental radioisotope data in groundwater systems, and the applicability of these models were tested by the reinterpretation of several known case studies (Modry Dul, Cheju Island, Rasche Spring and Grafendorf).
742 citations
TL;DR: In this article, it is shown that similarly to the movement in capillaries, also in other dispersive systems, the distinction between the concentration of solute in res is also made by known and new transformations.
718 citations
01 Jan 1986
183 citations
01 Oct 1996
TL;DR: In this article, the applicability of the lumped-parameter approach for the interpretation of tracer data is discussed for a steady-state flow approximation, and a user-friendly computer program is given.
Abstract: Principles of the lumped-parameter approach to the interpretation of environmental tracer data are given. The following models are considered: the piston flow model (PFM), exponential flow model (EM), linear model (LM), combined piston flow and exponential flow model (EPM), combined linear flow and piston flow model (LPM), and dispersion model (DM). The applicability of these models for the interpretation of different tracer data is discussed for a steady state flow approximation. Case studies are given to exemplify the applicability of the lumped-parameter approach. Description of a user-friendly computer program is given. (author). 68 refs, 25 figs, 4 tabs.
136 citations