密閉容器內(nèi)蒸汽水下噴注噪聲試驗(yàn)研究
[Abstract]:Steam underwater injection heating is widely used in industrial and civil fields. In the process of steam underwater injection heating, due to the rapid change of bubble volume and the spoiler effect produced in the process of injection, such as improper design or operation, strong noise and vibration will be produced in water space, and the reliability of equipment operation will be endangered in serious cases. The effects of nozzle structure and arrangement parameters and equipment operation parameters on steam underwater injection noise of three nozzles are studied experimentally. according to the experimental results, the calculation formula of steam underwater injection noise is obtained. The results show that the steam underwater injection noise increases gradually with the increase of water temperature and then decreases rapidly. With the further increase of water temperature, the pressure in the cylinder increases gradually, and the steam underwater injection noise decreases slowly, and is obviously lower than the water temperature; the steam underwater injection noise increases with the increase of steam flow rate, but the amplitude of increase decreases gradually, and the peak value of injection noise appears at higher water temperature. The nozzle structure and its arrangement parameters have certain influence on steam underwater injection noise, but the influence degree is small.
【作者單位】: 上海理工大學(xué)上海市動(dòng)力工程多相流動(dòng)與傳熱重點(diǎn)實(shí)驗(yàn)室;上海理工大學(xué)能源與動(dòng)力工程學(xué)院;上海出版印刷高等專(zhuān)科學(xué)校;上海鍋爐廠有限公司;
【分類(lèi)號(hào)】:TB535
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