Abstract
On the balance and the startup of a cylindrical capsule in the rising flow of an inclined pipe, an experimental investigation was carried out in wide ranges of several relevant factors. And it was shown that the balance state of the capsule in the pipe flow could be classified into two major states - an adhesive stationary one and a floating stationary one and that the transition between the state was characterized by a critical (inclination) angle. Next, the balance velocity of capsule and the additional loss due to capsule were discussed and an experimental formula for the balance velocity and two expressions for the additional loss factor were proposed in the adhesive stationary state of the capsule balance. Besides, on the basis of the characterizations for several factors, we present how to estimate the incipient velocity and the power required at incipience in the capsule pipeline.
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