Research on flow rate engineering calculation model of U-pipes for fabricating transverse variable profiled (TVP) strips by simulation and experimentCe Ji, Huagui Huang, Yifeng Sun, Chaoqun Zhang, Lin Gao and Shangbin ZhangMetall. Res. Technol., 117 6 (2020) 604DOI: https://doi.org/10.1051/metal/2020057