Acoustic levitation and transportation techniques has a wide applications in fields of biology, chemistry and materials science. We present an acoustic levitator consisted of one single-axis Langevin piezoelectric transducer and two reflectors. The 24.2mm-long-distance radial transportation of the Styrofoam particle is achieved by changing the resonant chamber height between the two reflectors. The optimal distance between the axis of the upper and the lower reflectors is determined as 7mm through the method of the finite element simulation. Analytical results are verified by the experimental data which also provide critical parameters to build a radial particles transportation apparatus.

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