阐明了发动机进口畸变流场模拟方面技术革新的重要性与迫切性，提出一种新型畸变流场模拟装置，给出了它的设计思想、原理结构、工作特点、试验结果。 The importance and urgency of technological innovation in simulation of engine inlet distorted flow are clarified. A new type of distorted flow field simulator is proposed. Its design principle, principle structure, working characteristics and test results are given.