In the course of the experiment, results that are different from the experimental expectations are often found. Analysis of these results can reveal factors that were not considered, which is conducive to the adjustment and transformation of the experimental scheme, and also provides for the design of future experimental schemes. Rich theoretical basis. Thereby, it is possible to avoid the adverse effects caused by such a phenomenon or to utilize its advantageous aspects. The machine direction produces a significant deflection. The size of the experimental chamber is 280x204x280em, the size of the left door is 142xZo7em, and the size of the right door is 58x193em. The range hood is 70cm away from the cooktop, and a wind curtain generating device is installed at the front of the range hood. The air curtain tuyere is 69cm away from the wall surface and is located at the upper part of the outer edge of the simulated smoke outlet. One way to improve the working efficiency of the range hood is to adopt a suction-type range hood. The suction-type range hood can be divided into short circulation type, forward delivery type, rear delivery type and lower delivery type. The formula is better. The original scheme designed in this experiment is close to the down-feed type. At the front end of the range hood, a wind curtain generating device is set up. It is hoped that the generated air curtain can be blown down a distance and mixed with the airflow generated by the stove mouth into the range hood. In order to observe the flow direction of the gas curtain gas, we used the smoke generator to experiment on the air curtain airflow. During the experiment, it was found that the air curtain did not blow up vertically when the main fan was not opened, but to the main wind. The screen is smoked. Lip Mask,Lip Care Mask,Mask Lip,Sleeping Lip Mask Guangzhou Shiruoni Cosmetics Co., Ltd. , https://www.shiruoni.com
May 27, 2021