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Method for adjusting gas flow in ozone aging test chamber


Test chamber should have a device to regulate ozone The average flow rate of the air is not less than , in 12mm / s [ 123] between the ozone, the gas flow rate can be used in the case of the gas flow rate in the box and the air flow perpendicularly Cross-sectional area is calculated. When comparing the test, the change in flow rate cannot exceed 10% . The gas flow rate is the volume of ozone through the ozonation air in units of time, in order to prevent ozone concentration in the box due to the decrease in ozone sample consumption, the gas flow rate should be large enough. The ozone consumption varies with rubber, test conditions, and other test details, usually the ratio of sample exposure surface area and gas flow rate does not exceed 12S / m, ] But this value is not always low enough. When there is doubt, it must be verified by testing the consumption impact. If necessary, the surface area of u200bu200bthe sample can be reduced, and the gas in the test chamber can be used to diffuse the diaphragm. Or equivalent devices to accelerate mixing with gases in the box. If the high-speed flow rate is required, the fan can be installed in the box to increase the rate of ozone of ozone to reach 600mm / s plusmn 100mm / s . QINSUN Test Instrument Co., Ltd. (Technical)

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