Parameters | Value |

Reynolds number [Re = ρ *D *U | 10,000 |

Dean number [De = Re *(R | 7071 |

Fluid (water) temperature | 25˚C ± 1˚C |

Angular velocity of rotation pipe ω | 0, 480 min |

Swirl number S | 0, 1 |

Frequency of phased array transducer | 2 MHz |

Steering angle θ | 0˚, −5˚, −10˚ |

Pulse repetition frequency f | 1 kHz |

Number of repetition N | 256 |

Spatial resolution Δy | 0.74 mm |

Time resolution Δt [N | 0.256 s |

Number of velocity profiles | 10,000 |