Journal of Appliance Science & Technology ›› 2018, Vol. 0 ›› Issue (3): 50-53.

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Evaluation of uncertainty in measurement of air performance of range hood and its application

JIANG Xianming, LIU Yuejun, LIANG Canyu, HUANG Xunqing   

  1. Guangdong Vanward New Electric CO.,LTD Foshan 528305
  • Online:2018-03-01 Published:2019-07-12

Abstract: This paper discuss the procedure and method of evaluating the uncertainty in measurement of total pressure efficiency and airflow of the range hood, explore the application of evaluation results in product design and verification, evaluate the product quality and laboratory capabilities and propose corrective measures. It points out that there is a significant difference between the testing point of current standard and the actual operating point of the mainstream product on the market, resulting in the test result cannot accurately reflect the actual performance of the product, and put forward some suggestions for improvement.

Key words: Range hood, Air performance, Total pressure efficiency, Airflow, Uncertainty in measurement, Standard