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Experimental studies of the water-entry of cylinder bodies are conducted using high-speed camera to capture the splashes over the water surface and the subsurface cavity shapes during water entry and the cavity-running phase. Cavity evolution is discussed on single 140 conical cylinder body such as formation, development, and pinch-off of vertical and oblique entry. The dependence of the pinch-off type on the entry velocity is discussed for various entry speeds. The phenomena of two-body water entry in series and side-by-side are discussed in the end of this paper, and the data show that the spatial distance between the two bodies has a great influence on the development and the stability of the cavity and the dynamics of both bodies themselves.
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Keywords:
- cylinder body water-entry /
- water-entry cavity /
- cavity pinch-off /
- experimental investigation
[1] May A 1975 AD-A020 429
[2] Worthington A M, Cole R S 1897 Phil. Trans. Roy. Soc. 189 A 137
[3] Worthington A M, Cole R S 1900 Phil. Trans. Roy. Soc. 194 A 175
[4] Worthington A M, Cole R S 1908 A study of splashes (London, New York, Bombay, Calcutta: Longmans, Green, and Co.) p78
[5] Waugh J G 1968 J. Hydrodynamics 2 87
[6] Birkhoff G, Caywood T E 1949 Appl. Phys. 20 646
[7] Birkhoff G, Isaacs R 1951 Navord Rep. Tech. Rep. 1490
[8] Birkhoff G, Zarantonello E H 1957 Jet, Wakes, and Cavities (New York: Academic Press Inc.) p6
[9] Glibarg D, Anderson R A 1948 J. Appl. Phys. 19 127
[10] May A 1970 J. Hydrodynamics 4(4) 140
[11] May A, Woodhull J C 1948 J. Appl. Phys. 19 1109
[12] May A 1951 J. Appl. Phys. 22 1219
[13] May A, Woodhull J C 1948 J. Appl. Phys. 19 1109
[14] Glasheen J W, Macmahon T A 1996 Nature 380 340
[15] Glasheen J W, Macmahon T A 1996 Phys. Fluids 8 2078
[16] Glasheen J W, Peters Ivo R, Manuel Gordillo J, Devaraj van der Meer, Detlef Lohse 2010 Phys. Fluids 2 1
[17] Aristoff J M, Bush J W M 2009 J. Fluid Mech. 619 45
[18] Cyril Duez, Christophe Ybert, Christophe Clanet, Lyderic Bocquet 2007 Nature Physics 3 180
[19] Waugh G 1975 Naval Undersea Center, California: AD-A007 529
[20] Logvinovich G V (Translated by D. Lederman) 1972 Hydrodynamics of Free-boundary Flows (Jersualem: IPST Press) pp104-118
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[1] May A 1975 AD-A020 429
[2] Worthington A M, Cole R S 1897 Phil. Trans. Roy. Soc. 189 A 137
[3] Worthington A M, Cole R S 1900 Phil. Trans. Roy. Soc. 194 A 175
[4] Worthington A M, Cole R S 1908 A study of splashes (London, New York, Bombay, Calcutta: Longmans, Green, and Co.) p78
[5] Waugh J G 1968 J. Hydrodynamics 2 87
[6] Birkhoff G, Caywood T E 1949 Appl. Phys. 20 646
[7] Birkhoff G, Isaacs R 1951 Navord Rep. Tech. Rep. 1490
[8] Birkhoff G, Zarantonello E H 1957 Jet, Wakes, and Cavities (New York: Academic Press Inc.) p6
[9] Glibarg D, Anderson R A 1948 J. Appl. Phys. 19 127
[10] May A 1970 J. Hydrodynamics 4(4) 140
[11] May A, Woodhull J C 1948 J. Appl. Phys. 19 1109
[12] May A 1951 J. Appl. Phys. 22 1219
[13] May A, Woodhull J C 1948 J. Appl. Phys. 19 1109
[14] Glasheen J W, Macmahon T A 1996 Nature 380 340
[15] Glasheen J W, Macmahon T A 1996 Phys. Fluids 8 2078
[16] Glasheen J W, Peters Ivo R, Manuel Gordillo J, Devaraj van der Meer, Detlef Lohse 2010 Phys. Fluids 2 1
[17] Aristoff J M, Bush J W M 2009 J. Fluid Mech. 619 45
[18] Cyril Duez, Christophe Ybert, Christophe Clanet, Lyderic Bocquet 2007 Nature Physics 3 180
[19] Waugh G 1975 Naval Undersea Center, California: AD-A007 529
[20] Logvinovich G V (Translated by D. Lederman) 1972 Hydrodynamics of Free-boundary Flows (Jersualem: IPST Press) pp104-118
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