Abstract: To gain a deep understanding of the emission mechanism of kitchen fume particles and to achieve precise control, it is essential to quantitatively characterize the emission process of the kitchen fume particles. Therefore, a review of the methods for testing the emission rates of kitchen fume particles is presented. The common principles and methods of quantitative testing of particle emission rates are systematically reviewed first. Then, the necessity of new test methods for measuring the dynamic emission rate is elucidated. Finally, the example of particle mass emissions is used to illustrate the new testing method of the dynamic particle emission rate. The results show that the traditional test method has limitations, such as difficulty in controlling test conditions and producing accurate and consistent results. On the basis of addressing the above issues, the new dynamic test method can also realize the real-time test of kitchen particle emission rate, which is worth further in-depth research and optimization. It is of great significance to analyze and sort out the technological progress of the test methods for the emission rate of kitchen fume particles, to further quantitatively characterize the emission process of kitchen fume particles and clarify its dynamic emission law.

Key words: Kitchen fumes, PM_2.5, Indoor air, Emission rate, Dynamic emission