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Role of Weber number in primary breakup of turbulent liquid jets in ...


2004; Lee et al. 2007; Bellofiore, A. 2006). A typical turbulent LJCF exhibits a ... Schematic of a turbulent liquid jet in crossflow illustrating a typical breakup ..... At every point of a given closed surface with area A and volume V , we obtain two.

The average number of sub-jets in a hadron collider jet - ScienceDirect


In section 3 we calculate the multiplicity of sub-jets within a jet defined .... Uq, V~, and gluon jets, Ug, V~, should be weighted by the flavour fractions fq and ..... Webber, Nucl. Phys. B 407 (1993) 3; ALEPH Collaboration, D. Decamp et. al., Phys.

Quantitative assessment of pulmonary insufficiency by Doppler ...


Sep 14, 2007 ... Yang H(1), Pu M, Chambers CE, Weber HS, Myers JL, Davidson WR Jr. ... All underwent a two-dimensional/Doppler study with interrogation of the PI jet for jet width by color ... Group A had a larger right ventricle (4.1 +/- 0.9 vs.

Stagnation-Point Heat Transfer During Impingement - MIT


The stagnation-zone characteristics of an impinging liquid jet are of great interest ... are used to obtain predictions of the influence of Weber number on the stagnation- .... v„ = 0. (7). 2Lienhard and Lienhard (1984) showed viscous losses to have a negligible ..... A previous paper (Liu et al., 1991) estimated from boundary.

Liquid Jet Instability and Atomization in a Coaxial Gas Stream


such a power law has been given only recently (Lasheras et al 1998). Equally ... breakup regimes of a liquid jet by a coaxial gas stream in a Reynolds-Weber number ..... Figure 4 Measured frequency of the interfacial instability, f vs Uc/δω.

Experimental investigation of inclined liquid water jet flow onto ...


Water jet velocity was within the range of 0.5–5 m/s, thus the Weber number varied ... The progresses of inclined liquid jet impingement a Spreading (Kate et al. ..... Putkaradze V (1993) Shallow-water approach to the circular hydraulic jumps.

Numerical Analysis of Jet Breakup Behavior Using Particle Method


the Weber number and the Froude number on the size distribution are also obtained. KEYWORDS: jet ... jet breakup: for example, in Moriyama et al.9) Vierow10).

Resummation - CERN


σ(V) ≃ σ0. ∞. ∑ n=0 αn s ln2n V. ︸ ︷︷ ︸. Leading Logarithms+ O (αn s ln2n− 1 V) .... 22) S. Catani, G. Turnock, B. R. Webber et al., “Thrust distribution in e+ ... 29) E. D. Malaza, B. R. Webber, “Qcd Corrections To Jet Multiplicity Mo- ments ...

[PDF] from oxfordjournals.org - Tree Physiology


oped including meadow or hedged orchards (Carson et al. 1992, Sweet et al. .... Blackmore and Knox 1990, Webber 1991, Jett et al. 1993,. Bramlett et al. 1993 ...

Breakup of diminutive Rayleigh jets


Dec 8, 2010 ... ... for jet forma- tion can be expressed in terms of the Weber number ... gimes based on the radius of the jet r and the liquid velocity v. All the lines in the ... work of Wilkes et al.,31 a two-dimensional finite element method FEM is ...

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Hadronization - SLAC National Accelerator Laboratory


Bryan R. Webber. Theory Division, CERN ... of recent data on quark-gluon jet differences is discussed in Section 5. Another ..... 3 vs. CF = 4/3) leads to a softer spectrum and higher overall multiplicity (Fig. 12). ..... <N>gg Eden et al. DELPHI ...

Similarity between the primary and secondary air-assisted liquid jet ...


Marmottant et al. (2, 3) have ... υ is the water dynamic viscosity. The jet Weber number ( σ ρ l l g g. DV. V. We. 2. ) ... V the air exit velocity, and σ is the water surface.

Splattering During Turbulent Liquid Jet Impingement on Solid ... - MIT


John H. Lienhard V ... applicability of the model ofLienhard et al. (1992) and we ... is the jet Weber number based on the average jet-velocity at the nozzle exit, Uj ...