| 词汇 | parasitic-drag |
| 释义 | BETA parasitic dragcollocation in Englishmeanings of parasiticand dragThese words are often used together. Click on the links below to explore the meanings. parasitic adjective uk /ˌpær.əˈsɪt.ɪk/ us /ˌper.əˈsɪt̬.ɪk/ Parasitic organisms live on other animals or plants of a different type and feed ... See more at parasitic drag noun uk /dræɡ/ us /dræɡ/ informal something that is not convenient and is boring ... See more at drag Examples of parasitic dragparasitic drag The phrase "parasiticdrag" is mainly used in aerodynamics, since for lifting wings drag is in general small compared to lift. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The all-wood cantilever wing did not need struts or braces, reducing parasiticdrag on the aircraft. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lower viscosity is intended to gain improvements in fuel economy by lessening parasiticdrag in the transmission. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A matte-painted surface reflects the least light but, because of its roughness adds additional skin friction or parasiticdrag which reduces aircraft speed and range. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Form drag, skin friction and interference drag on bluff bodies are not coined as being elements of parasiticdrag, but directly as elements of drag. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because of the speed requirements of the programme, a lot of effort was spent in reducing parasiticdrag. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, zero-lift drag coefficient is reflective of parasiticdrag which makes it very useful in understanding how clean or streamlined an aircraft's aerodynamics are. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Additionally, the presence of multiple bodies in relative proximity may incur so called interference drag, which is sometimes described as a component of parasiticdrag. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As with other components of parasiticdrag, skin friction follows the drag equation and rises with the square of the velocity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An extension of span would lower lift-induced drag, but would increase parasiticdrag and would require boosting the strength and weight of the wing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It will be able to cruise at approximately 135to140 kn and sprint at 180 kn before suffering the limits of parasiticdrag. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These provide the wake control benefit of winglets, with less parasiticdrag penalty, if designed carefully. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Parasiticdrag is a combination of form drag, skin friction and interference drag. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Since the pistons are descending more slowly than under no load, the pressure differences are less marked and parasiticdrag in the induction system is negligible. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, as speed increases the induced drag becomes much less, but parasiticdrag increases because the fluid is flowing more quickly around protruding objects increasing friction or drag. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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