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enigmatical    
a. 难解的,谜一般的,不可思议的

难解的,谜一般的,不可思议的

enigmatical
adj 1: not clear to the understanding; "I didn't grasp the
meaning of that enigmatic comment until much later";
"prophetic texts so enigmatic that their meaning has been
disputed for centuries" [synonym: {enigmatic}, {enigmatical},
{puzzling}]


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  • XFOIL - Modify the gap at the trailing edge of the airfoil
    XFOIL is happy with a sharp trailing edge and will tolerate a gap of a few percent However, 20% is way beyond of what it is meant to receive as input, so I would not trust the result
  • What does the NCrit parameter indicate in a CFD analysis?
    @PeterKämpf thanks, I was looking into that It seems XFOIL uses a simplified version of the e^N theory, though understanding how exactly it differs would take me a while
  • Solved n the figure below you see the pressure distribution - Chegg
    Engineering Mechanical Engineering Mechanical Engineering questions and answers n the figure below you see the pressure distribution computed by xfoil for the airfoil at our flight Re Note that xfoil plots the airfoil coordinates in coordinates normalized by the chord so that x 30 is the leading edge and x 1 is the trailing edge
  • Solved Consider the NACA 23024 airfoil at standard - Chegg
    Question: Consider the NACA 23024 airfoil at standard sea-level conditions and flow velocity of 65 m s Calculatethe following for a chord length of 1 m using airfoil data from Theory of Wing Sections by Abbott andvon Doenhoff (available in the module entitled “Resources” on canvas) a) Lift per unit span for an angle of attack of 14 deg b) Moment about the
  • Why XFOIL predicts a lower drag coefficient at higher Re?
    Excuse me for the (very) late reply; I disagree with your statement 'his means a higher Reynolds number almost always results in lower friction' This is only true for the case where there is a turbulent boundary layer My questions is aiming at why at low Re (assuming initial laminar BL) the Cd is higher using XFoil See for example the difference in Cd at Re 5e5 Clearly, laminar is
  • Using XFoil analyze viscous flow over the NACA 0012 - Chegg
    Purpose: This project will help you to learn basic operations in XFOIL (i e , an interactive program for the design and analysis of subsonic isolated airfoils) and learn how to perform basic aerodynamical calculations using XFOIL You are given the opportunity to improve your understanding of inviscid viscous flows over an airfoil
  • How accurate is XFoil XFLR5 at kinda high Reynolds numbers?
    How accurate is XFoil XFLR5 at Reynolds numbers between 2 million and 10 million? From my understanding it's only accurate at lower Re values
  • Cessna 172: NACA 2412 From XFOIL, what is the | Chegg. com
    Use XFOIL to find the lift and drag coefficients of your airfoil at four Reynolds numbers The range of AOAs is from -4 deg to 2 deg beyond stall Use an AOA interval Cessna 172: NACA 2412 From XFOIL, what is the airfoil maximum thickness, location of maximum thickness, maximum camber, and location of maximum camber? Record your information in
  • aerodynamics - How are panel codes like xfoil able to model turbulence . . .
    Since Xfoil is using potential flow theory, how is it able to predict boundary layer and separation? If I'm adding perturbation terms aren't those still made with fundamental flows?
  • How to Cite a Software | Chegg Writing
    Cite a software using the citation templates and examples in this guide There is information on APA, MLA, Chicago style, and Harvard referencing





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