CFD application

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  1. Aerodynamics of Hyperloop System

    The Hyperloop (proposed by Elon Musk at Tesla) is one of right solution for the specific case of high traffic city pairs that are less than about 1500 km or 900 miles apart. A pod-like vehicle runs through a near-vacuum tube at more than airline speed to remove air drag. The pod would accelerate to cruising speed gradually using a linear electric motor and glide above their track using passive magnetic levitation (or possibly air bearing). Here, we have studied aerodynamic characteristics of a pod in a tube at a cruising speed (300 m/s or 1080 km/h) under a near-vacuum pressure (0.001 atm).

  2. Aerodynamics of Coaxial Propellers in Unmanned Aerial Vehicle (UAV) System

    An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without a human pilot aboard (Wikipedia). Compared to manned aircraft with fixed-wing, UAVs have often utilized propellers (rotary-wing) to obtain lift force for several reasons. In this study, we have examined aerodynamic characteristics of coaxial propellers and provide aerodyanamic advantages of the coaxial propellers, compared to a single propeller.

    [Figure 1] CFD analysis for a single propeller

    [Figure 2] CFD analysis for a coaxial propeller