Tan, L., Xie, H., Liu, J., Chen, H. and Yang, H. (2019) “Research on Influence of Different types of Orifice on Axial Steady-state Flow Force in Cartridge Proportional Valve”, International Journal of Fluid Power, 20(2), pp. 151–176. doi: 10.13052/ijfp1439-9776.2021.