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Experimental and Numerical Study of Swirling ... - Solid Mechanics

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Experi imental <strong>and</strong> <strong>Numerical</strong> N Stud dy <strong>of</strong> <strong>Swirling</strong> g Flow in Scaveenging<br />

Processs<br />

for 2-Stroke<br />

Marin ne Diesel Engin nes<br />

Figure<br />

4.16:<br />

No ormalized Reyno olds<br />

St tress Component<br />

@ z3 L3=4D<br />

Chapter 4<br />

For ReA A <strong>and</strong> ReB at z5 z in figure 4. 16 the uu vvariance<br />

still hhas<br />

peak valuees,<br />

lower than t at z3, concentrated<br />

iin<br />

the vortexx<br />

core regionn<br />

(Figure 4.177).<br />

Howeve er for ReA, var riance is spaciially<br />

more disppersed<br />

<strong>and</strong> the<br />

largest valuees,<br />

observe ed in the core region, are comparatively<br />

smaller than flow at ReB. IIn<br />

addition n, no further shift s in angulaar<br />

direction <strong>of</strong>f<br />

oval shaped rregion<br />

has beeen<br />

observe ed.<br />

67<br />

<strong>Swirling</strong> Flow in a Pipe

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