For an inviscid, incompressible, planar flow, with flow velocity u, a stream function is a scalar function ψ such that curl(ψk) = u. The stream function is constant along streamlines. See complex potential, velocity potential.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。