Choked flow is a fluid dynamic condition associated with the Venturi effect. When a flowing fluid at a given pressure and temperature passes through a restriction (such as the throat of a convergent-divergent nozzle or a valve in a pipe) into a lower pressure environment the fluid velocity increases.
Red wine varietals that tend to benefit from a good bit of oak include: Pinot Noir, Cabernet Sauvignon, Merlot, Pinotage, Chianti, Zinfandel, Nebbiolo, Tempranillo and Syrah. White wine varietals that are receptive to oakâs influence include: Pinot Grigio, Pinot Blanc, Sauvignon Blanc, Semillon and of course Chardonnay.
Hungarian / Eastern European Oak. Hungarian and Eastern European oak is the same type of oak tree as French Oak (Quercus robur). More and more Eastern European oak barrels are being used at wineries for oaking wine.The choice for Eastern European oak is because itâs remarkably similar to French oak but the cost is much less.he top fifty most expensive wines in the world oak-age their wines in some way. Oak is a crucial and often overlooked component of the wine world. Everything from the type, size, age, grain and treatment of an oak barrel greatly affects the finished wine.