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Titolo: A mathematical model for oesophageal swallowing of a foodbolus
Autore: Misra, JC; Pandey, SK;
 Indirizzi:
 Indian Inst Technol, Dept Math, Kharagpur 721302, W Bengal, India Indian Inst Technol Kharagpur W Bengal India 721302 1302, W Bengal, India
 Titolo Testata:
 MATHEMATICAL AND COMPUTER MODELLING
fascicolo: 89,
volume: 33,
anno: 2001,
pagine: 997  1009
 SICI:
 08957177(200104/05)33:89<997:AMMFOS>2.0.ZU;2E
 Fonte:
 ISI
 Lingua:
 ENG
 Soggetto:
 PERISTALTIC TRANSPORT; TUBE; FLUIDS;
 Keywords:
 oesophagus; foodbolus; peristalsis; powerlaw fluid; single wave propagation; trainwave propagation;
 Tipo documento:
 Article
 Natura:
 Periodico
 Settore Disciplinare:
 Engineering, Computing & Technology
 Citazioni:
 14
 Recensione:
 Indirizzi per estratti:
 Indirizzo: Misra, JC Indian Inst Technol, Dept Math, Kharagpur 721302, W Bengal, India Indian Inst Technol Kharagpur W Bengal India 721302 ngal, India



 Citazione:
 J.C. Misra e S.K. Pandey, "A mathematical model for oesophageal swallowing of a foodbolus", MATH COMP M, 33(89), 2001, pp. 9971009
Abstract
The flow of a foodbolus through the oesophagus is investigated by considering a model that involves the study of the axisymmetric peristaltic transport of a powerlaw fluid through a circular tube of finite length where a single wave is supposed to propagate along the wall. The wall equation of the tube has been taken to fit the natural oesophageal wall contraction that does not involve the expansion beyond the stationary boundary. The spatial,as well as temporal, dependence of pressure has been studied for a fixed timeaveraged flowrate in the laboratory frame of reference. Comparisons are made between the effects of a single wave transport and a train wave transport with an integral number of waves in the train. The effect of the nature of the wave and the powerlaw index on the pressure distribution along the length of the oesophagus is examined. Computational results for the shear stress distribution along the length of the oesophagus are used to investigate the impact of the single wave propagation visavis the train wave propagation. (C) 2001 Elsevier Science Ltd. All rights reserved.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/01/20 alle ore 08:01:13