2015
DOI: 10.1016/j.jnnfm.2015.01.002
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Purely pulsating flow of a viscoelastic fluid in a pipe revisited: The limit of large Womersley number

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Cited by 6 publications
(4 citation statements)
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“…Note that there is no imposed macroscopic velocity in the system, and for this reason it is better to explain all the mechanisms in terms of the elastic number E, instead of other dimensionless numbers such as (i) Deborah, (ii) Mach, (iii) Newtonian Womersley number, and (iv) vibratile Reynolds [32,33]. The wavelength vector b (Equation ( 26)) deals with the pulsating Womersley number related to the competition between the viscous and oscillatory mechanisms [32,33]:…”
Section: Scales Dimensionless Numbers and Device Mode Classification ...mentioning
confidence: 99%
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“…Note that there is no imposed macroscopic velocity in the system, and for this reason it is better to explain all the mechanisms in terms of the elastic number E, instead of other dimensionless numbers such as (i) Deborah, (ii) Mach, (iii) Newtonian Womersley number, and (iv) vibratile Reynolds [32,33]. The wavelength vector b (Equation ( 26)) deals with the pulsating Womersley number related to the competition between the viscous and oscillatory mechanisms [32,33]:…”
Section: Scales Dimensionless Numbers and Device Mode Classification ...mentioning
confidence: 99%
“…The role of the elastic number is a vertical shift [31,32]. This primitive quantity β(ω) associated with the velocity field shows the scaling of its norm with the Womersley (Wo) [33][34][35][36][37][38] and elastic (E) number [31,32] is:…”
Section: Scales Dimensionless Numbers and Device Mode Classification ...mentioning
confidence: 99%
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“…Since the blood flow is pulsatile, the problems become additionally complicated if the non-Newtonian character is taken into account [7][8][9]. Apart from the Reynolds number, an additional parameter is introduced for the pulsatile or oscillatory flows, the so-called Womersley number (expressing the ratio of the local pulsating force to the viscous one) [10][11][12].…”
Section: Introductionmentioning
confidence: 99%