Test method and device for simulating thermal WHTC circulation in diesel hot and cold WHTC circulation
一种试验装置、循环试验的技术,应用在发动机的测试、机器/结构部件的测试、测量装置等方向,能够解决冷热WHTC排放结果不准确、尿素喷射量减少、氨泄漏大等问题,达到标定数据有效可靠、减小尿素喷射的效果
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[0023] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0024] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.
[0025] Such as figure 1 as shown, figure 1 is a flowchart of a test method according to an embodiment of the present invention. According to a preferred embodiment of the present invention, a test method for simulating a hot state WHTC cycle in a diesel engine cold and hot WHTC cycle includes a heat engine step, an experimental condition control step, a SCR catalytic unit pretreatment step, and a diesel engine hot start W...
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