摘要
空化是水动力产生的一种特殊现象,伴随高温高压等极端条件产生,能量密度大,有巨大破坏性。空化的破坏性同时体现了空化的巨大能量,因此关于克服空化危害和利用空化能量的研究都极具价值。空化用于船舶与海洋工程的研究日益成为热点,主要包括:利用空化处理船舶压载水的研究;利用空化强化制作生物燃油的研究;利用空化进行燃油处理,提高燃烧效率的研究;利用空化进行船体表面清污的研究;以及利用空化强化柴油机燃油雾化的研究。本文阐述了空化产生机理和空化产生的能量效应,总结了空化效应在船舶与海洋工程领域的应用。
引文
[1]黄继汤.空化与空蚀的原理及应用[M].北京:清华大学出版社,1991.
[2]潘森森,彭晓星.空化机理[M].北京:国防工业出版社,2013.
[3]FLINT EB,SUSLICK KS.The temperature of cavitation[J].Science,1991,253(5026):1397-1399.
[4]HARRISON M.An experimental study of single bubble cavitation noise[J].The Journal of the Acoustical Society of America,1952,24(6):776-782.
[5]MATSUMOTO Y,BEYLICH A.Influence of homogeneous condensation inside a small gas bubble on its pressure response[J].Journal of fluids engineering,1985,107(2):281-286.
[6]HAMMITT FG.Cavitation and multiphases flow phenomena[M].New-York:McGraw-Hill;1980.
[7]张晓冬等.水力空化强度与空化自由基产量的关系[J].化工学报,2007,58(1):27-32.
[8]SAWANT SS et al.Effect of hydrodynamic cavitation on zooplankton:a tool for disinfection[J].Biochemical Engineering Journal,2008,42(3):320-328.
[9]FENG D et al.Inactivation of Heterosigma akashiwo in ballast water by circular orifice plate-generated hydrodynamic cavitation[J].Environmental technology,2016,37(7):837-846.
[10]BALASUNDARAM B,et al.Study of physical and biological factors involved in the disruption of E.coli by hydrodynamic cavitation[J].Biotechnology progress,2006,22(3):907-913.
[11]张丽婷等.空化水射流技术在海洋污损生物清除领域的应用研究[J].海洋开发与管理,2016,(8):70-72.
[12]GOGATE PR et al.A review and assessment of hydrodynamic cavitation as a technology for the future[J].Ultrasonics sonochemistry,2005,12(1-2):21-27.
[13]GHAYAL D et al.Optimization of biodiesel production in a hydrodynamic cavitation reactor using used frying oil[J].Ultrasonics sonochemistry,2013,20(1):322-328.
[14]KAUSHIK P et al.Ultrasound cavitation technique for up-gradation of vacuum residue[J].Fuel processing technology,2012,93(1):73-77.
[15]YANG Z et al.Upgrading vacuum residuum by combined sonication and treatment with a hydrogen donor[J].Chemistry and Technology of Fuels and Oils,2013,48(6):426-435.
[16]SUN Z-Y et al.Numerical investigation on effects of nozzle’s geometric parameters on the flow and the cavitation characteristics within injector’s nozzle for a high-pressure common-rail DI diesel engine[J].Energy Conversion and Management,2015,89:843-861.
[17]HE Z et al.Experimental and numerical study of cavitation inception phenomenon in diesel injector nozzles[J].Inter national Communications in Heat and Mass Transfer,2015,65:117-124.