Wednesday, December 4, 2013

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http://www.mysteriousplanet.net/mybolg.php Say snowstorm torpedoes,cheap uggs uk, we have to mention super- cavitation. Range of disease to the crowd said. Fast moving objects around the liquid pressure drop, and as the speed increases, when the liquid pressure is equal to the vapor pressure of the liquid phase to the gas phase from the water they form water vapor. Bubble flow will be distorted, and thus the loss of efficiency of the pump, a turbine, and the hydrofoil propulsion, may also lead to the emergence of a strong shock and causing corrosion of metal surfaces. Ship designers often have to deal with the trouble of vacuoles, trying to avoid cavitation phenomena, such as the streamlined hull design and so on.

Since the viscous resistance of water and water movement between objects, objects in the water by the resistance of air resistance is about a thousand times. Fan said the disease gestures, but you can use cheap uggs online nasty vacuoles, forming a renewable gas envelope around underwater objects, the fluid on the wetted surface area of ​​at least, greatly reducing viscous drag, which kind of low-density bubble is supercavitation. Cavity length and velocity of the object is related to the length of the object inside the bubble can be generated by itself, rapid progress with minimal resistance.

Sunlao Asked ghd online Road, cavitation is easy to demonstrate, but the feasibility to manufacture supercavity how much ? Torpedo in the water velocity is changing, at what pace to be able to get a good early supercavity ? This question depends on the design of ugg boots sale snowstorm. Range of disease- pointing hanging on the wall talking about the road design sketches snowstorm, blizzard torpedo is the use of rocket engines generate a lot of air bubbles in a torpedo head, making the torpedo was completely surrounded by empty, water resistance is greatly reduced, so as to achieve high speed.

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