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Description
The Kinematics of Vorticity"When all has been said, one important fact emerges: this book is a valuable compendium of results that every expert in hydrodynamics, gas dynamics, or dynamical meteorology will want to keep by their]side and refer to frequently." Bulletin of the American Mathematical Society This unique graduate level monograph offers a heavily mathematical treatment of the vorticity of fluids. The subject's wealth of applications extends to many areas of physics
"When all has been said, one important fact emerges: this book is a valuable compendium of results that every expert in hydrodynamics, gas dynamics, or dynamical meteorology will want to keep by ... their]side and refer to frequently." -- Bulletin of the American Mathematical SocietyThis unique graduate-level monograph offers a heavily mathematical treatment of the vorticity of fluids. The subject's wealth of applications extends to many areas of physics and engineering, and the book will also appeal to mathematically oriented historians of science. Starting with consideration of geometrical and kinematical preliminaries, the text advances to examinations of vorticity, the vorticity field, vorticity measures, and vorticity averages. Subsequent chapters explore Bernoullian theorems, convection and diffusion of vorticity, and circulation-preserving motions.
Binding Type: Paperback
Publisher: Dover Publications
Published: 10/17/2018
ISBN: 9780486823645
Pages: 256
Weight: 0.83lbs
Size: 8.90h x 6.00w x 0.60d
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4.2 ★★★★★
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Product Reviews
★★★★★ 5
Really Cool
This is actually a well made portafilter. It was such a good idea to be able to have a nice WDT tool built in that doesn’t take up some extra counter space or anything. It minimizes clutter and just was a good idea so you always have it handy. Definitely would recommend.
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Reviewed in the United States on December 18, 2024
★★★★★ 3
Fine basket, lousy magnets: Look elsewhere
Build is nice, solid and the baskets fit snuggly without being too hard to remove. The WDT tool works well and came with a surfeit of needles.
HOWEVER
The tiny magnets holding the WDT in the handle aren’t glued in place and now come FLYING out when the tool is removed. One or two pull free and then shoot across the unit, pulling others out and ending up somewhere in the kitchen. Fortunately (because they’re REALLY small), they form a small column making it somewhat easier to track down. But it’s such a nuisance I now leave the tool out, so there’s a small dangerous hedgehog of verrrry thin needles in my kitchen we need to work around. Sub-optimal, sorta defeats the purpose of in-handle tool.
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Reviewed in the United States on May 18, 2025
★★★★★ 5
Excellent product!
It’s all good
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Reviewed in the United States on February 27, 2025
★★★★★ 5
Unlock your machine's potential
***Twist the WDT tool to remove dont try to just pull, or use your finger nails A slight twist will break the magnetic bond and the tool just comes out of the handle***
i got this to get away chemicals, hot acidic coffee possibly leaching plastic and aluminum that the stock portifilter is made from. This seems like a nice stainless by the looks and heft of it. Aluminium is bad for the brain and plastic is just bad.
Function... Im not using a 200$ or more grinder or anything... Just fresh beans and a 30$ wancle amazon burr grinder and this is pulling beautiful bottomless shots that really helped me dial in better and see my channeling issues that intern lets me adjust and get better.
The stock tapered basket prevents consistant tamps and keeps you from using off the shelf filter papers at the bottom of the basket.
i have to use a gram or 2 more for my dose but that just means stronger drinks. I can tell visually im getting more extraction now that im dialed in by the color after adding milk.
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Reviewed in the United States on March 27, 2026
★★★★★ 1
It doesn’t even fit
It doesn’t fit our Breville Barista Pro because the portafilter head is too tall. Such a disappointment.
Update: Absolutely horrible customer support as well. Their only attempt to rectify the situation was by double checking their own portafilter they have and confirming it works. It’s equivalent of “we investigated ourselves and found nothing wrong.” No replacements, no willingness to accept constructive criticism in order to change the dimensions slightly by decreasing the height of the portafilter head by even a millimeter to make it work, nothing. Just a slap in the face telling me to return it and be gone. Avoid this product.
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Reviewed in the United States on January 4, 2025