Primary, for each injection pressure, cavitation phenomenon was observed and pressure inside the nozzle hole was measured
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(2) 松本雅至・松村恵理子・千田二郎. 114. Ẽᅽࢆୗᅇࡿࡇ࡛࢟ࣕࣅࢸ࣮ࢩࣙࣥࡀⓎ⏕ࡋ㸪 ࿘ᅖὶయࡢᅽຊኚືᛂࡌ࡚ᡂ㛗࣭ᔂቯࡍࡿࡇࡀ ▱ࡽࢀ࡚࠸ࡿ. 1㸪 2). ws. 㸬ࡋࡓࡀࡗ࡚㸪ࣀࢬࣝෆ࢟ࣕࣅࢸ. wh. ࣮ࢩࣙࣥ㛵ࡋ࡚ࡣ㸪ᄇᏍෆࡢᅽຊศᕸࡀẼἻࡢึ ⏕㸪ࡉࡽࡣᚋࡢẼἻᣲືᑐࡋ࡚ᨭ㓄ⓗ࡛࠶ࡿ㸬 t = 5mm. lh. 㐣ཤࡢ◊✲ 3-5)࠾࠸࡚㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥࡢⓎ㐩 ẁ㝵ᚤ⢏ᶵᵓࡢ┦㛵ᛶ࠾ࡼࡧࣀࢬࣝᙧ≧ࡀ࢟ ࣕࣅࢸ࣮ࢩࣙࣥࡢᵝ┦ཬࡰࡍᙳ㡪࡞ࡀሗ࿌ࡉࢀ ࡓ㸬ࡋࡋ࡞ࡀࡽ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࣀࢬࣝ ෆᅽຊࡢ㛵ಀࢆ᫂☜♧ࡋࡓ◊✲ࡣᑡ࡞࠸ 6-8)㸬ࡲ. Fig. 1. Nozzle configuration. ࡓ㸪࠸ࡎࢀࡢ◊✲ࡶ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࢆᄇᑕᅽ. Table 1. Dimensions of actual and enlarged nozzle. ຊࡼࡾኚࡉࡏ࡚࠾ࡾ㸪ᅽຊሙᑐࡍࡿὶ㏿ࡢᙳ. Actual nozzle 25-times enlarged nozzle (Slit type). 㡪ࢆ↓どࡋᚓ࡞࠸㸬ࡑࡢࡓࡵ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧. Hole length lh. [mm]. 0.70. ㇟ࡑࡢࡶࡢᄇᏍෆᅽຊࡢヲ⣽࡞㛵ಀࡣᐃ࡛࡞࠸㸬. Hole width. wh [mm]. 0.15. 3.75. Sac width. ws [mm]. 0.80. 20.00. ࡋࡓࡀࡗ࡚㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡢヲ⣽ࢆ᫂ࡽ. 17.50. 䈜 unit : [mm]. 6.0. ࡑࡇ࡛㸪ᮏ◊✲࡛ࡣ✀ࠎࡢࣀࢬࣝᵝ࠾ࡼࡧᄇᑕ. 13.0. 11.5. ෆᅽຊࢆᢕᥱࡍࡿᚲせࡀ࠶ࡿ㸬. 4.5. ࡍࡿ࠶ࡓࡾ㸪ከᵝ࡞ὶື≧ἣୗ࠾ࡅࡿࣀࢬࣝ. ᮲௳ᑐࡍࡿ⇞ᩱᄇ㟝≉ᛶࢆヲ⣽ᢕᥱࡍࡿࡓࡵ㸪 ᄇᏍෆ㒊⏕ࡌࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡢᇶ♏ⓗ≉ ᛶࢆ᫂☜ࡍࡿࡇࢆ┠ⓗࡍࡿ㸬ࡲࡎ㸪ḟඖࡢ. (a) version 1. (b) version 2. ᣑྍどࣀࢬࣝࢆ⏝࠸࡚✀ࠎࡢᄇᑕ᮲௳ᑐࡍࡿ. Fig. 2. Set position of pressure sensor. ࢟ࣕࣅࢸ࣮ࢩࣙࣥᣲືࡢᙳ࠾ࡼࡧᄇᏍ㒊ࡢᅽຊィ. ࣝࡢᑍἲࢆ 25 ಸᣑࡋࡓࢡࣜࣝࣀࢬࣝࢆ〇స. ࢆ⾜࡞ࡗࡓ㸬ḟ㸪୍ᐃᄇᑕ᮲௳ୗ࠾࠸࡚⇞ᩱ. ࡋࡓ㸬ࣀࢬࣝᙧ≧࠾ࡼࡧᑍἲࢆ Fig.1㸪Table 1 ࡑ. ࡢ㣬Ẽᅽࡢᕪ␗ࡀ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟࠾ࡼࡧ. ࢀࡒࢀ♧ࡍ㸬࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡢᇶ♏ⓗᣲືࢆ. ᄇᏍ㒊ᅽຊཬࡰࡍᙳ㡪ࢆᢕᥱࡋࡓ㸬ࡇࢀࡽࡼࡾ㸪. ⌧ࡍࡿࡓࡵᮏࣀࢬࣝᙧ≧ࡣ༢⣧▴ᙧࡋ㸪⌧㇟ࢆ. ✀ࠎࡢᄇᑕ᮲௳࣭⇞ᩱࡢ㣬Ẽᅽᑐࡍࡿ࢟ࣕࣅ. ḟࡍࡿࡓࡵࣀࢬࣝཌࡉࢆ 5mm ୍࡛ᵝࡋࡓ㸬. ࢸ࣮ࢩࣙࣥ⌧㇟ᄇᏍෆᅽຊࡢ㛵ಀࢆᩚ⌮ࡋࡓ㸬ࡲ. ࡲࡓ㸪ᅽຊィ. ࡓ㸪ᙳ⏬ീࢆࡶᄇὶᖜ࠾ࡼࡧᄇᏍෆ࣎ࢻ⋡. PYS-3 (ឤᅽ㠃┤ᚄ㸸3mm㸪ศゎ⬟㸸⣙ 0.5kPa㸪ࢧࣥ. ࢆ⟬ฟࡋ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘࡼࡾᩚ⌮ࡋࡓ㸬ࡉ. ࣉࣜࣥࢢ࿘Ἴᩘ㸸50kHz㸪JTEKT 〇)ࢆ⏝ࡋ㸪ࣀࢬ. ࡽ㸪ỗ⏝⇕ὶయゎᯒࣉࣟࢢ࣒ࣛ Star-CD ࢆ⏝࠸ࡓ. ࣝᄇᏍ㒊ᅽຊࡢⅬྠィ ࢆྍ⬟ࡋࡓ㸬ࡉࡽ㸪. ゎᯒࢆ⾜࡞࠸㸪ᐇ㦂⤖ᯝࡢẚ㍑᳨࣭ドࢆヨࡳࡓ㸬. ᄇᏍ㒊ࡢᅽຊሙࢆヲ⣽ᤊ࠼ࡿࡓࡵ㸪Fig.2 ♧ࡍࡼ. ჾࡋ࡚༙ᑟయᘧࢺࣛࣥࢫࢹ࣮ࣗࢧ. ࠺␗࡞ࡿᅽຊィ ⟠ᡤࢆ᭷ࡍࡿࣔࢹࣝࢆ⏝ពࡋࡓ㸬 . ᐇ㦂⨨ ౪ヨࣀࢬࣝ. ౪ヨ⇞ᩱ. ୍⯡㸪ᐇࣀࢬࣝ࠾ࡅࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟. ᮏᐇ㦂࡛ࡣ㸪ᄇᑕ᮲௳ࡢ⇞ᩱࡢ㣬Ẽᅽ. ࡣ㠀ᖖ㧗㏿ࡘᚤ⣽࡞┦ኚࢆక࠺ࡓࡵ㸪ᣑࣔ. ࡢᕪ␗ࡼࡾẼἻࡢึ⏕ࢆኚࡉࡏ㸪ࡇࢀࡀ࢟ࣕࣅ. ࢹࣝࢆ⏝࠸ࡓㄪᰝࡀ⾜࡞ࢃࢀ࡚࠸ࡿ㸬ࡲࡓ㸪ᮏሗ. ࢸ࣮ࢩࣙࣥ⌧㇟ཬࡰࡍᙳ㡪ࢆㄪᰝࡍࡿ㸬 ࡑࡢࡓࡵ㸪. ࠾࠸࡚ࡶᄇᏍෆࡢᅽຊศᕸࢆᢕᥱࡍࡿࡇࢆ┠ⓗ. 㣬Ẽᅽࡀ␗࡞ࡿ⇞ᩱࢆ㑅ᐃࡍࡿᚲせࡀ࠶ࡿ㸬ࡑ. ࡍࡿࡓࡵ㸪ᮏᐇ㦂࠾ࡅࡿ౪ヨࣀࢬࣝࡋ࡚ᐇࣀࢬ. ࡇ࡛㸪ᮏሗ࡛ࡣࣞࢠ࣮ࣗࣛ࢞ࢯࣜࣥࢆᶍᨃࡋᚓࡿ༢. ( 48 ).
(3) 噴霧微粒化に対するキャビテーションの影響の解明(第 1 報,拡大ノズルを用いたノズル内流動状況の可視化) 115. ࢆᤊ࠼ࡿࡇࡀྍ⬟࡛࠶ࡿ⪃࠼ࡽࢀࡿ㸬. ᡂศ࠾ࡼࡧᡂศ⇞ᩱࢆỴᐃࡍࡿ㸬 ࡲࡎ㸪ࣞࢠ࣮ࣗࣛ࢞ࢯࣜࣥࢆᶍᨃࡋᚓࡿ༢ᡂศ⇞. . ᩱࡢ㑅ᐃࢆ⾜࡞ࡗࡓ㸬ࣞࢠ࣮ࣗࣛ࢞ࢯࣜࣥྵࡲࢀ. ⇞ᩱᄇᑕࢩࢫࢸ࣒. ࡿ✀ࠎࡢᡂศࡢ㉁㔞ẚ m ࢆ Table 2 ♧ࡍ㸬Table 2. ᮏᐇ㦂࠾࠸࡚⏝࠸ࡓ⇞ᩱᄇᑕࢩࢫࢸ࣒ࢆ Fig.3. ♧ࡋࡓⅣỈ⣲ࡣࣞࢠ࣮ࣗࣛ࢞ࢯࣜࣥ࠾࠸࡚. ♧ࡍ㸬Ἔᅽࢩࣜࣥࢲෆሸࡉࢀࡓ౪ヨ⇞ᩱࡣ N2. 1wt%௨ୖࡢ㉁㔞ศ⋡ࢆ᭷ࡋ㸪ࡘ NIST Thermal. ࢞ࢫࡼࡾᡤᐃࡢᅽຊቑᅽࡉࢀࡓ࢚ࢩࣜࣥࢲࡢ. Properties of Hydrocarbon Mixtures Database ࣉࣟࢢࣛ. Table 2. Mass fraction of regular gasoline. ࣒(௨ୗ NIST ࣉࣟࢢ࣒ࣛ)⤌ࡳ㎸ࡲࢀ࡚࠸ࡿᡂศ. Component. 9). ࡛࠶ࡿ㸬ᮏሗ࡛ࡣ㸪ࡇࢀࡽ 14 ᡂศࢆᩥ⊩ グ㍕ࡉ. Actual mass fraction Hypothetical mass fraction m [wt%] m’ [wt%]. 2-Methylpentane. 5.40. 12.44. Benzene. 4.78. 11.02. ࢆࣞࢠ࣮ࣗࣛ࢞ࢯࣜࣥ௬ᐃࡋࡓ㸬Table 2 ࡼࡾ㣬. Toluene. 4.73. 10.90. Ẽᅽ Pv ࠾ࡼࡧື⢓ᛶಀᩘQࢆ NIST ࣉࣟࢢ࣒ࣛ. Pentane. 4.09. 9.43. Butane. 3.81. 8.78. ࡼࡾ⟬ฟࡋࡓ⤖ᯝࢆ Table 3 ♧ࡍ㸬࡞࠾㸪ィ⟬ᚲ. Hexane. 3.59. 8.27. 2-Methylhexane. 3.53. 8.14. 3-Methylpentane. 3.52. 8.11. ᡂศ⇞ᩱ࡛࠶ࡿࣞࢠ࣮ࣗࣛ࢞ࢯࣜࣥࡣ࠶ࡿ ᗘᖜ. 3-Methylhexane. 2.72. 6.27. ࠾࠸࡚Ẽᾮࡀΰᅾࡍࡿ┦㡿ᇦࢆᙧᡂࡍࡿࡓࡵ㸪ࡑ. 2-Methyl-2-butene. 1.94. 4.47. Methylcyclopentane. 1.54. 3.55. Heptane. 1.51. 3.48. trans-2-Pentene. 1.14. 2.63. 2,3-Dimethylbutane. 1.09. 2.51. Regular gasoline. 43.39. 100. ࢀ࡚࠸ࡿ㉁㔞ẚ m ྠࡌ㉁㔞ẚ m’࡛ΰྜࡋࡓࡶࡢ. せ࡞㞺ᅖẼ᮲௳ࡣᐊ. 㸪Ẽᅽሙࡋࡓ㸬ࡲࡓ㸪ከ. ࡢ㣬Ẽᅽࡣ୍ᐃࡢᖜࢆ᭷ࡍࡿ⤖ᯝ࡞ࡿ㸬௨ୖ ࡢ⤖ᯝࡽ㸪㣬Ẽᅽ Pv ࠾ࡼࡧື⢓ᛶಀᩘQࡀࣞ ࢠ ࣗ ࣛ ࣮ ࢞ ࢯ ࣜ ࣥ ࡢ ୰ ኸ ್ ࡛ ࠶ ࡿ iso-Hexane (2-Methylpentane)ࢆᮏᐇ㦂࡛⏝ࡍࡿ༢ᡂศ⇞ᩱ. Table 3. Properties and components of regular gasoline. ࡋࡓ㸬. Component. Saturated vapor pressure Pv [MPa]. Kinematic viscosity Q㽢10-6 [m2/s]. 2-Methylpentane. 0.023. 0.452. Benzene. 0.010. 0.745. ⋡࡛ΰྜࡋࡓ㸬ྛ౪ヨ⇞ᩱ࠾࠸࡚ࣞࣀࣝࢬᩘ Re. Toluene. 0.003. 0.679. ࠾ࡼࡧ࢟ࣕࣅࢸ࣮ࢩࣙࣥẼἻࡢⓎἻ࣭ᡂ㛗࣭ᔂቯ㐣. Pentane. 0.056. 0.355. Butane. 0.208. -. Hexane. 0.016. 0.469. ḟ㸪ᡂศ⇞ᩱࡢ㑅ᐃࢆ⾜࡞ࡗࡓ㸬ࡲࡎ㸪NIST ࣉࣟࢢ࣒ࣛࢆ⏝࠸࡚✀ࠎࡢⅣỈ⣲ࢆ௵ពࡢࣔࣝศ. ⛬ᕪࡀ⏕ࡌ࡞࠸ࡼ࠺㸪ᡂศ⇞ᩱ࠾ࡅࡿᐦᗘU㸪 ⢓ᗘP࠾ࡼࡧ⾲㠃ᙇຊVࢆ 2-Methylpentane ྠ➼ ࡍࡿᚲせࡀ࠶ࡿ㸬࡞࠾㸪ᡂศ⇞ᩱࡢ⾲㠃ᙇຊࡣࣃ ࣛࢥ್࣮ࣝ 10)ࢆ⏝࠸࡚⟬ฟࡋࡓ㸬 ࡇࢀࡽࡢࡇࢆ⪃៖ࡋ㸪ᮏᐇ㦂࡛⏝ࡍࡿᡂศ ⇞ᩱࢆ Table 4 ♧ࡍ࠾ࡾ㑅ᐃࡋࡓ㸬Table 4 ♧ࡍࡼ࠺ྛ౪ヨ⇞ᩱࡢ㣬Ẽᅽᕪࡀ࠶ࡿࡓࡵ㸪 ࢟ࣕࣅࢸ࣮ࢩࣙࣥึ⏕ࡢኚࡼࡿᅽຊሙࡢᙳ㡪. 2-Methylhexane. 0.007. 0.560. 3-Methylpentane. 0.020. 0.455. 3-Methylhexane. 0.006. 0.534. 2-Methyl-2-butene. 0.051. 0.324. Methylcyclopentane. 0.015. 0.676. Heptane. 0.005. 0.597. trans-2-Pentene. 0.055. 0.342. 2,3-Dimethylbutane. 0.025. 0.567. Regular gasoline. 0.013 0.047. 0.461. Table 4. Fuel properties of two components mixture Fuel. iC6. C5/C6. C5/C7. C5/C11. Component. 2-Methylpentane. n-C5H12/n-C6H14. n-C5H12/n-C7H16. n-C5H12/n-C11H24. Mixture ratio (mole fraction). -. 2䠖8. 6䠖4. 9䠖1. Density. U. Viscosity. P. Surface tension. V. Saturated vapor pressure. Pv. [kg/m3] [Pa䞉s] [N/m] [Pa]. 6.5㽢102. 6.6㽢102. -4. -4. 3.0㽢10. 2.9㽢10. 6.5㽢102. 6.5㽢102. -4. 2.9㽢10-4. -2. 2.9㽢10. -2. 1.8㽢10. 1.8㽢10. 1.7㽢10-2. 4. 2.4㽢104. 3.6㽢104. 5.1㽢104. -2. 1.8㽢10 2.3㽢10. Pv : At bubble point. ( 49 ).
(4) 松本雅至・松村恵理子・千田二郎. 116. Measurement period. Pressure regulator Hydraulic cylinder Solenoid valve Pressure [MPa]. N2. 0.4 4. Air cylinder. 25-times enlarged nozzle. 0.2 2 0.1 1 0.0 0 0.0. Fig. 3. Injection system Diffusion plate. 0.3 3. Halogen lamp. 0.5 Time [s]. 1.0. Fig. 5. Pressure history in upstream region of the enlarged nozzle 㡿ᇦࡢつᶍࡀࡁࡃኚືࡍࡿ≧ែ࠶ࡿ㸬ࡇࡢࡇ ࡽ㸪ὶධᅽຊࡀ࠾ࡼࡑ୍ᐃ࡞ࡿᮇ㛫࠾࠸࡚࢟ ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡢẚ㍑ࢆ⾜࡞࠺ᚲせࡀ࠶ࡿ⪃ ࠼ࡓ㸬ᣑࣔࢹࣝ࠾ࡅࡿᄇᑕᮇ㛫 tinj ࢆ 0.85s ࡋ ࡓ㝿㸪PMS-5 ࡼࡾィ ࡉࢀࡓᅽຊἼᙧࡢ୍ࢆ. 25-times enlarged nozzle. Fig.5 ♧ࡍ㸬࡞࠾㸪25 ಸᣑࣔࢹࣝ ࠾ࡅࡿ tinj=0.85s ࡣᐇᶵ㛵࡛ࡢᄇᑕᮇ㛫 tact=1.36ms ┦ᙜࡍ ࡿ㸬Fig.5 ࡼࡾ㸪ᄇᑕ㛤ጞ┤ᚋ࡛ࡣࡁ࡞ᅽຊୖ᪼ࡀ. High speed camera. Fig. 4. Optical system for back light photography. ࡳࡽࢀࡿࡀ㸪0.60s ௨㝆ࡽᄇᑕ⤊ࡲ࡛ࡣᴫࡡ୍ᐃ. సືࡼࡾ㸪ᣑࣀࢬࣝࡼࡾẼᅽሙᄇᑕࡉࢀ. ࡛࠶ࡿࡳ࡞ࡍࡇࡀྍ⬟࡛࠶ࡿ㸬ࡋࡓࡀࡗ࡚㸪ᮏ. ࡿ㸬࡞࠾㸪ࣃࣝࢫಙྕࡼࡾసືࡍࡿ㟁☢ᘚࡼࡾ. ᐇ㦂࡛ࡣࣔࢹࣝୖὶ㒊ᅽຊࢆ୍ᐃࡳ࡞ࡏࡿᮇ㛫ࡢ. ᄇᑕᮇ㛫ࢆไᚚࡋ㸪ᄇᑕᅽຊࡣ㟁☢ᘚࣀࢬࣝࡢ㛫. ୍㒊࡛࠶ࡿ 0.70㹼0.80s(௨ୗ㸪ᐃᖖᮇ㛫)࠾࠸࡚. ྲྀࡾࡅࡓᅽຊࢭࣥࢧ(ᐃ᱁ᅽຊ 500kPa㸪㇏⏣ᕤ. ᙳࢆ⾜࡞࠸㸪ࡑࡢᮇ㛫࠾ࡅࡿᅽຊࡢᖹᆒ್ࢆᮏ◊. ᶵ〇㸸PMS-5-500K)ࢆ⏝࠸࡚ィ. ✲࠾ࡅࡿᄇᑕᅽຊ Pinj ࡋ࡚ᐃ⩏ࡍࡿ㸬. ࡋࡓ㸬. . . ⫼ᬒගᙳගᏛ⣔. ࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘࡢᐃ⩏. ᄇᏍෆ㒊ࡢ࢟ࣕࣅࢸ࣮ࢩࣙࣥ㡿ᇦࢆᙳࡍࡿࡓࡵ. ᮏ◊✲࡛ࡣ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥࡢᵝ┦ࢆ♧ࡍᣦᶆ. ⏝࠸ࡓ⫼ᬒගᙳࡢගᏛ⣔ࢆ Fig.4 ♧ࡍ㸬ග※. ࡋ࡚ḟࡢ࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘࢆ⏝࠸ࡿ㸬. ࣁࣟࢤࣥࣛࣥࣉࢆ⏝࠸㸪ᣑᩓᯈࢆࡋ࡚ᣑࣀࢬ. K. ࣝ↷ᑕࡍࡿ㸬ᄇᏍᑐࡋ࡚ᆶ┤࡞⨨ࡽࣁࢫ ࣆ࣮ࢻ࣓࢝ࣛ(Photron 〇㸪FASTCAM APX RS㸪ゎീ. Pamb Pv Pinj Pamb. (1). ᗘ㸸512256pixcel㸪✵㛫ศゎ⬟㸸⣙ 67Pm㸪ᙳ㏿. ࡇࡇ࡛㸪Pamb ࡣ㞺ᅖẼᅽຊ㸪Pv ࡣ⇞ᩱࡢ㣬Ẽᅽ. ᗘ㸸15000f.p.s㸪㟢ග㛫㸸⣙ 0.33Ps)࡛ᙳࡍࡿࡇ. ࡛࠶ࡿ㸬ࡇࢀࡲ࡛㸪ୖグࡢᐃ⩏ࡼࡾᚓࡽࢀࡓ࢟ࣕ. ࡼࡾ㸪ᄇᏍෆ࢟ࣕࣅࢸ࣮ࢩࣙࣥ࠾ࡼࡧᄇὶࡢ⏬. ࣅࢸ࣮ࢩࣙࣥᩘࡼࡾ࢟ࣕࣅࢸ࣮ࢩࣙࣥ㡿ᇦࡢⓎ㐩. ീࢆᚓࡿ㸬. ẁ㝵࡞ࢆᩚ⌮ࡋࡓ◊✲ 11-13)ࡀከᩘሗ࿌ࡉࢀ࡚࠸. . ࡿ㸬ࡋࡋ࡞ࡀࡽ㸪ࣀࢬࣝᙧ≧ࡀ␗࡞ࡿὶࢀሙࡑ. ᙳᮇ㛫࠾ࡼࡧᮏ◊✲࡛ࡢᄇᑕᅽຊࡢᐃ⩏. ࡢࡶࡢࡀࡁࡃ␗࡞ࡿࡓࡵ㸪◊✲⪅ࡼࡾ࢟ࣕࣅࢸ. ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡣࠎ้ࠎኚࡋ㸪≉. ࣮ࢩࣙࣥᩘ⤯ᑐ್Ⓨ㐩ẁ㝵ࡢᐃ㔞ⓗ࡞┦㛵㛵ಀ. ࣀࢬࣝࡢ⇞ᩱὶධࡀ㐣Ώ≧ែ࠶ࡿሙྜ࡛ࡣẼἻ. ᕪ␗ࡀぢཷࡅࡽࢀࡿ㸬ࡋࡓࡀࡗ࡚㸪ࡇࡢ࢟ࣕࣅࢸ࣮. ( 50 ).
(5) 噴霧微粒化に対するキャビテーションの影響の解明(第 1 報,拡大ノズルを用いたノズル内流動状況の可視化) 117. Table 5. Experimental conditions for each Pinj. upstream. (a) For enlarged nozzle 2-Methylpentane. Saturated vapor pressure. Pv. 23. [kPa]. Injection pressure. Pinj. [MPa] 0.15 0.20 0.25 0.30. Reynolds number. Re㽢105. [-] 1.02 1.45 1.77 2.05. Cavitation number. K. [-] 1.61 0.79 0.53 0.39. Injection duration. tinj. [s]. Ambient pressure. Pamb. [MPa]. 0.1. Ta. [K]. 293. Ambient temperature. Pressure [MPa]. Fuel. 0.85. downstream. 0.25 0.20 0.15 0.10 0.05 0.00 0.70. 0.75 Time [s]. 0.80. (a) Pinj = 0.15MPa (K = 1.61). Actual nozzle. 25-times enlarged nozzle. Ambient pressure. Pamb [MPa]. 0.4. 0.1. Injection pressure. Pinj [MPa]. 30.8䡚124.6. 0.15䡚0.30. 1.36㽢10-3. 0.85. Injection duration Cavitation number. [s]. tinj. -3. K. [-] 3.0䡚12.4㽢10. Reynolds number Re㽢105. [-]. Pressure [MPa]. (b) Relationship between actual and enlarged nozzle. 0.25 0.20 0.15 0.10 0.05 0.00 0.70. 0.39䡚1.61. 1.01䡚2.05. 0.75 Time [s]. 0.80. (b) Pinj = 0.20MPa (K = 0.79). ࢩࣙࣥᩘࡣྠ୍ࣀࢬࣝ࠾࠸࡚ࡢࡳ᭷ຠ࡞ᣦᶆ࡛࠶. Pressure [MPa]. ࡿ⪃࠼ࡽࢀ㸪ᮏࣀࢬࣝ࠾ࡅࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ ᩘ⤯ᑐ್Ⓨ㐩ẁ㝵ࡢ┦㛵㛵ಀࡣ㐣ཤࡢ◊✲ᚲ ࡎࡋࡶ୍⮴ࡍࡿࡣ㝈ࡽ࡞࠸㸬 . 0.25 0.20 0.15 0.10 0.05 0.00 0.70. ᐇ㦂⤖ᯝ ᄇᑕᅽຊࡢᕪ␗ࡼࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟࠾. 0.75 Time [s]. 0.80. (c) Pinj = 0.25MPa (K = 0.53). ࡼࡧᄇᏍෆᅽຊࡢኚ. Pressure [MPa]. ᐇ㦂᮲௳ࢆ Table 5 ♧ࡍ㸬౪ヨ⇞ᩱࡋ࡚ 2-Metylpentane (iso-Hexane㸪௨ୗ iC6)ࢆ⏝࠸㸪ᄇᑕᅽ ຊࢆ Pinj=0.15㹼0.30MPa ࡢ⠊ᅖ࡛ኚࡉࡏࡓ㸬࡞࠾㸪 ౪ヨ⇞ᩱࡣ࠶ࡽࡌࡵẼ㛤ᨺୗ࡛༑ศᨺ⨨ࡋࡓ. 0.25 0.20 0.15 0.10 0.05 0.00 0.70. ᚋἜᅽࢩࣜࣥࢲᑟ࠸ࡓ㸬ࡲࡓ㸪౪ヨࣀࢬࣝ ࡣ Fig.2(a)♧ࡋࡓᣑࣔࢹࣝ 1 ࢆ⏝࠸㸪ึᮇࡢࣀࢬ. 0.75 Time [s]. 0.80. (d) Pinj = 0.30MPa (K = 0.39). ࣝෆࡣ౪ヨ⇞ᩱ࡛‶ࡉࡏࡓ㸬. Fig. 6. Images of cavitation, liquid jet and pressure inside the nozzle (iC6, Pv = 23kPa). ྛᄇᑕᅽຊᑐࡋ࡚ᐃᖖᮇ㛫୰ᚓࡽࢀࡓᙳ⏬ ീ࠾ࡼࡧᄇᏍෆᅽຊἼᙧࢆ Fig.6 ♧ࡍ㸬࡞࠾㸪ᮏ. ࡽ᭱ࡶᖹᆒⓗ࡞⏬ീࢆ㑅ᐃࡋ࡚♧ࡋࡓ㸬Fig.6 ࡼࡾ㸪. ⏬ീࡣ⫼ᬒගᙳࡼࡾᚓࡽࢀࡓࡶࡢ࡛࠶ࡿࡓࡵ㸪. ᄇᑕᅽຊࡀቑຍࡍࡿࡘࢀ࡚ Pinj=0.15㹼0.25MPa ࡢ. ᄇᏍ㒊࠾࠸࡚࢟ࣕࣅࢸ࣮ࢩࣙࣥẼἻ⩌ࡣ㯮ࡃᙳ. ⠊ᅖ࡛ࡣ࢟ࣕࣅࢸ࣮ࢩࣙࣥ㡿ᇦࡢつᶍࡣୗὶ᪉ྥ. ࡉࢀࡿ㸬୍⯡㸪୍ᐃࡢᄇᑕᅽຊୗ࠾࠸࡚ࡶ㸪ࢧ. ࡁࡃᡂ㛗ࡋ㸪ࡑࢀక࠸ᄇὶࡶᣑࡀࡿࡇࡀࢃ. ࢵࢡ㒊⏕ࡌࡿ ᵓ㐀ࡢ㠀ᐃᖖᛶࡼࡾࣀࢬࣝෆὶ. ࡿ㸬୍᪉㸪Pinj=0.30MPa ࡛ࡣ⇞ᩱὶࢀࡀᄇᏍධཱྀ. 14). 㸬ࡍ࡞ࢃࡕ㸪ࢧࢵࢡ㒊ࡽᄇ. ࡽ㞳≧ែࢆ⥔ᣢࡋࡓࡲࡲࣀࢬࣝࡽᄇฟࡉࢀࡿ. Ꮝ㒊ࡢ⇞ᩱὶධࡶࡲࡓࠎ้ࠎኚࡍࡿ㸬ࡋࡓ. hydraulic flip ࡞ࡾ㸪ᄇὶࡢᣑࡀࡾࡣᢚไࡉࢀࡿ㸬. ࡀࡗ࡚㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡶᙉ࠸㠀ᐃᖖᛶࢆ᭷. ࡇࢀࡽ୍㐃ࡢᄇᑕᅽຊ࢟ࣕࣅࢸ࣮ࢩࣙࣥᣲືࡢ㛵. ࡍࡿࡓࡵ㸪ᮏሗ࡛ࡣᐃᖖᮇ㛫ᚓࡽࢀࡓᙳ⏬ീ. ಀࡣ㯮 4)ࡸᏵ 5)௦⾲ࡉࢀࡿ㐣ཤࡢሗ࿌ᐃᛶ. ືࡣ⤯࠼ࡎኚࡍࡿ. ( 51 ).
(6) 松本雅至・松村恵理子・千田二郎. 118. Table 6. Experimental conditions for each Pv. upstream. (a) For enlarged nozzle iC6. Saturated vapor pressure Pv [kPa]. 23. Injection pressure. C5/C6 C5/C7 C5/C11 24. Pinj [MPa] Re㽢105. Reynolds’ number. K. [-]. Injection duration. tinj. [s]. 1.45 0.79. 0.78. Ta. Ambient temperature. 0.66. 0.51. 293. 0.1. Injection pressure. Pinj [MPa]. 62.1. Injection duration Cavitation number. tinj K. Reynolds number Re㽢105. [s]. 0.20 -3. 0.85. 1.36㽢10. -3. [-] 5.7䡚6.1㽢10 [-]. 0.8. 1.45. Pressure [MPa]. タ⨨ࡋࡓᅽຊࢭࣥࢧࡼࡾᚓࡽࢀࡓᅽຊἼᙧ╔ ┠ࡍࡿ㸬Pinj=0.15MPa ࡛ࡣᄇᏍ㒊ࡢୖὶഃ࣭ୗὶഃ ࠾࠸࡚Ẽᅽ⛬ᗘࡶࡋࡃࡣࡑࢀ௨ୖࡢᅽຊࡀ⥔ᣢ. 0.20 0.15 0.10 0.05. 0.25 0.20 0.15 0.10 0.05 0.00 0.7. ࡉࢀ࡚࠾ࡾ㸪୧ィ ⟠ᡤࡢᅽຊኚືࡀࡁ࠸ࡇࡶ. 0.75 Time [s] (c) C5/C7 (K = 0.66). ☜ㄆ࡛ࡁࡿ㸬ࡲࡓ㸪Pinj=0.20MPa ࡛ࡣୖὶ㒊࠾࠸ ࡚㸪Pinj=0.25MPa ࡛ࡣ୧ィ ⟠ᡤ࠾࠸࡚Ẽᅽࢆ. Pressure [MPa]. ࡁࡃୗᅇࡿᅽຊἼᙧࡀᚓࡽࢀ㸪Pinj=0.15MPa ẚ ㍑ࡋ࡚ᅽຊኚືࡀᑠࡉ࠸ࡇࡀࢃࡿ㸬ᑠ➟ཎ࣭ 7). 0.25. 0.00 0.7. 0.51䡚0.79. ⓗ୍⮴ࡋ࡚࠸ࡿ㸬ḟ㸪ᄇᏍෆࡢୖὶ㒊࣭ୗὶ㒊. 㯮ࡽ. 0.05. 0.75 Time [s] (b) C5/C6 (K = 0.78). Pressure [MPa]. 25-times enlarged nozzle. 0.4. 0.10. (a) iC6 (K = 0.79). Actual nozzle Pamb [MPa]. 0.15. 0.8. (Pv : At bubble point) (b) Relationship between actual and enlarged nozzle. Ambient pressure. 0.20. 0.75 Time [s]. 0.1. [K]. 0.25. 0.00 0.7. 0.85. Pamb [MPa]. Ambient pressure. 51. 0.20. [-]. Cavitation number. 36. Pressure [MPa]. Fuel. downstream. ࡼࡿ㸪ᅽຊィ 㒊ࡀ࢟ࣕࣅࢸ࣮ࢩࣙࣥ㡿. ᇦそࢃࢀࡿᅽຊኚືࡣᑠࡉࡃ࡞ࡿࡼ࠺࡛࠶ࡿ㸬. 0.25 0.20 0.15 0.10 0.05 0.00 0.7. ࡋࡓࡀࡗ࡚㸪ᙳ⏬ീ࠾ࡼࡧᅽຊἼᙧࡽᐹࡍࡿ㸪 Pinj=0.20㸪0.25MPa ࡢ᮲௳࠾ࡅࡿ࢟ࣕࣅࢸ࣮ࢩࣙ. 0.8. 0.75 Time [s]. 0.8. (d) C5/C11 (K = 0.51). ࣥ㡿ᇦࡣᄇᏍධཱྀࡼࡾࡑࢀࡒࢀ 6mm㸪13mm ௨ୖࡢ 㛗ࡉࢆ⥔ᣢࡋ࡚࠸ࡿ⪃࠼ࡽࢀࡿ㸬୍᪉㸪. Fig. 7. Images of cavitation, liquid jet and pressure inside the nozzle (Pinj = 0.20MPa). Pinj=0.30MPa ࡢሙྜ㸪ィ 㠃ᑐഃࡽὶࢀࡀ. ࣥ㡿ᇦࡀⓎ㐩ࡍࡿᄇᏍෆ࠾࠸࡚㈇ᅽ࡞ࡿ㡿ᇦ. 㞳ࡋ࡚࠾ࡾ㸪୧ィ ⟠ᡤࡶẼᅽ௨ୖࡢᅽຊ. ࡀᣑࡋ㸪hydraulic flip ࢆక࠺ሙྜࡣᄇᏍୖὶ㒊࣭. ࡞ࡗ࡚࠸ࡿ㸬ᮏሗࡣグ㍕ࡋ࡚࠸࡞࠸ࡀ㸪hydraulic. ୗὶ㒊ࡶẼᅽ௨ୖࡢᅽຊࡀ⥔ᣢࡉࢀࡿࡇࡀ. flip ࡀᅽຊィ. ࢃࡗࡓ㸬. 㠃ഃ࡛⏕ࡌࡓሙྜ࠾࠸࡚ࡶྠᵝࡢ. ᅽຊἼᙧࡀᚓࡽࢀࡓ㸬㞳㠃ࡢᕪ␗ࡼࡿᄇᏍ㒊ᅽ. . ຊࡢᙳ㡪ࢆヲ⣽ᢕᥱࡍࡿࡓࡵࡣὶືሙࡢヲ⣽. 㣬Ẽᅽࡢᕪ␗ࡼࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ ࠾ࡼࡧᄇᏍෆᅽຊࡢኚ. ࡞ྍどࡀᚲせ࡛࠶ࡿ⪃࠼ࡽࢀࡿ㸬ࡑࡢࡓࡵ㸪ᮏ ሗ࡛ࡣ hydraulic flip ࡞ࡿẼᅽ௨ୖࡢᅽຊࡀィ. ୍ᐃࡢᄇᑕ᮲௳ୗ࠾࠸࡚⇞ᩱࡢ㣬Ẽᅽࡢᕪ ␗ࡼࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡢᙳ㡪ࢆẚ㍑ࡍࡿ㸬. ࡉࢀࡿࡇࢆ♧ࡍ␃ࡵࡿ㸬 ௨ୖࡼࡾ㸪ᄇᑕᅽຊࡢቑຍࡼࡾ࢟ࣕࣅࢸ࣮ࢩࣙ. ᐇ㦂᮲௳ࢆ Table 6 ♧ࡍ㸬Fig.4 ♧ࡋࡓ✀ࠎࡢ౪. ( 52 ).
(7) 噴霧微粒化に対するキャビテーションの影響の解明(第 1 報,拡大ノズルを用いたノズル内流動状況の可視化) 119. 0.15MPa 0.20MPa. 0.25MPa 0.30MPa. iC6 C5/C6. 0.20 0 Pressure [MPa]. Pressure [MPa]. 0 0.20 5 0.15 0 0.10 5 0.05 0 0.00 0 0 0.0. C5/C7 C5/C11. 3 5 3.5. 7.0 7 0. 10.5 10 5. 14.0 14 0. 5 0.15 0 0.10 5 0.05 0 0.00 0 0 0.0. 17 17.5. 3.5 35. 7.0 7 0. 10.5 10 5. 14.0 14 0. 17.5 17. Distance from hole inlet [mm]. Distance from hole inlet [mm]. (a) Pressure distribution for each Pinj (Fuel : iC6). (b) Pressure distribution for each fuel (Pinj = 0.20MPa). Fig. 8. Pressure distribution inside the nozzle hole for each conditions ヨ⇞ᩱࢆྠ୍ࡢᅽຊ࡛ᄇᑕࡍࡿࡇࡼࡾ㸪K ࡢᕪ. ࡣ K ࡼࡾᩚ⌮ࡍࡿࡇࡀྍ⬟࡛࠶ࡿ࠸࠼ࡿ㸬. ␗ࡼࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡢᙳ㡪ࢆᢕᥱࡍࡿ. . ࡇࡀྍ⬟࡛࠶ࡿ㸬࡞࠾㸪ᄇᑕᅽຊࡣ 0.20MPa ୍ᐃ. ᄇᑕᅽຊ㸪㣬Ẽᅽࡢᕪ␗ࡼࡿᄇᏍෆᅽຊ. ࡋ㸪ࡢ᮲௳ࡣ 3.1 ⠇ྠࡌ࡛࠶ࡿ㸬. ศᕸࡢᙳ㡪. ྛ౪ヨ⇞ᩱᑐࡋ࡚ᚓࡽࢀࡓ௦⾲ⓗ࡞ᙳ⏬ീ࠾. ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡀᄇᑕᅽຊ࠾ࡼࡧ⇞ᩱࡢ㣬. ࡼࡧᄇᏍෆᅽຊἼᙧࢆ Fig.7 ♧ࡍ㸬Fig.7 ࡼࡾ㸪౪. Ẽᅽࡢᕪ␗ࡼࡾࡑࢀࡒࢀኚࡍࡿሙྜ㸪ᄇᏍ. ヨ⇞ᩱࡢ㣬Ẽᅽࡀ㧗ࡃ࡞ࡿࡘࢀ࡚࢟ࣕࣅࢸ࣮. ෆࡢᅽຊሙࡀ࠸᥎⛣ࡍࡿࢆẚ㍑ࡋࡓ㸬ࡲࡎ㸪. ࢩࣙࣥ㡿ᇦࡣୗὶ᪉ྥⓎ㐩ࡋ㸪ࡑࢀక࠸ᄇὶ. ᣑࣔࢹࣝ 2 ࢆ⏝࠸࡚ 3.1 ࠾ࡼࡧ 3.2 ⠇ྠ᮲௳ୗ. ࡶࡁࡃᣑࡀࡿࡇࡀࢃࡿ㸬ࡇࢀࡣ㸪㣬Ẽᅽ. ࠾࠸࡚ᄇᏍ㒊ᅽຊࡢィ. ࡢୖ᪼క࠸㸪ᄇᏍධཱྀ㒊࠾ࡅࡿ࢟ࣕࣅࢸ࣮ࢩࣙ. ࣔࢹࣝ 1㸪2 ࠾ࡅࡿᄇᏍෆᅽຊࡢィ. ࣥẼἻࡢⓎἻ㔞ࡀቑຍࡍࡿࡓࡵ࡛࠶ࡿ⪃࠼ࡽࢀࡿ㸬. ✀ࠎࡢ᮲௳ᑐࡍࡿᄇᏍෆࡢᅽຊศᕸࢆ᥎ᐃࡋࡓ㸬. ࢆ⾜࡞ࡗࡓ㸬ࡑࡋ࡚㸪ᣑ ⤖ᯝࢆࡶ㸪. ࡋࡓࡀࡗ࡚㸪iC6 ࠾ࡼࡧ C5/C6 ࡢ㣬Ẽᅽ࠾࠸. Fig.8 ྛᄇᑕᅽຊ࠾ࡼࡧ౪ヨ⇞ᩱᑐࡍࡿᅽຊ. ࡚ࢇᕪ␗ࡀ࡞࠸ࡓࡵ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥࡢᵝ. ศᕸࢆ♧ࡍ㸬࡞࠾㸪ࣉࣟࢵࢺࡣィ ⟠ᡤࡢ୰ኸ. ┦ࡶྠ➼࡞ࡗ࡚࠸ࡿ㸬ࡲࡓ㸪ྛ౪ヨ⇞ᩱࡢᄇᏍෆ. ⨨ࡋ࡚࠾ࡾ㸪ཧ⪃ࡋ࡚ྛࣉࣟࢵࢺᑐࡍࡿከ㡯㏆. ᅽຊ╔┠ࡍࡿ㸪iC6 C5/C6 ࡢᅽຊἼᙧࡀୖὶ. ఝ ᭤⥺ ࢆే グࡋ ࡚ ࠸ࡿ 㸬 Fig.8 ࡼࡾ㸪 Pinj=0.15㹼. ഃ࠾ࡼࡧୗὶഃࡶ㢮ఝࡋ࡚࠸ࡿࡇࡀࢃࡿ㸬. 0.25MPa ࡢ⠊ᅖ࡛ࡣᄇᑕᅽຊࡢቑຍక࠸ᅽຊศᕸ. ୍᪉㸪C5/C7 ࡛ࡣ୧ィ. ⟠ᡤ࠾࠸࡚ᅽຊኚືࡢᑠ. ࡣᄇᏍᇦࢆ㏻ࡋ࡚ࡼࡾపᅽഃ᥎⛣ࡍࡿࡇࡀ. ࡉ࠸㈇ᅽἼᙧࢆ♧ࡋ࡚࠾ࡾ㸪3.1 ⠇ࡢ Pinj=0.25MPa. ࢃࡿ㸬ࡲࡓ㸪hydraulic flip ࢆ࿊ࡍࡿ Pinj=0.30MPa. ྠᵝࡢ⤖ᯝࡀᚓࡽࢀ࡚࠸ࡿ㸬ࡉࡽ㸪౪ヨᾮయࡢ. ࡢሙྜ㸪࠸ࡎࢀࡢィ. ୰࡛᭱ࡶ㣬Ẽᅽࡀ㧗࠸ C5/C11 ࢆ⏝࠸ࡓሙྜ㸪. ࡿ⤖ᯝ࡞ࡗࡓ㸬୍᪉㸪ᄇᑕᅽຊ࠾ࡼࡧ⇞ᩱࡢ㣬. ๓⠇ࡢ Pinj=0.30MPa ࠾࠸࡚☜ㄆࡉࢀࡓ hydraulic. Ẽᅽࡢᅽຊศᕸᑐࡍࡿྛࠎࡢഴྥ╔┠ࡍࡿ㸪. flip ྠᵝࡢᙳ⏬ീ࠾ࡼࡧᅽຊἼᙧ࡞ࡿ㸬࢟ࣕ. ኚࡉࡏࡿᅉᏊ≉᭷ࡢᕪ␗ࡣぢࡽࢀ࡞࠸㸬. ⟠ᡤ࠾࠸࡚ࡶṇᅽࢆ⥔ᣢࡍ. ࣅࢸ࣮ࢩࣙࣥẼἻ㔞ࡢቑຍక࠺ὶ⥺ࡢᙳ㡪ࡣᐃ. ࡋࡓࡀࡗ࡚㸪ᄇᏍෆᅽຊศᕸࡣ࢟ࣕࣅࢸ࣮ࢩࣙࣥ. ࡛ࡣ࡞࠸ࡀ㸪⇞ᩱࡢ㣬Ẽᅽ ࡀ㧗ࡃ࡞ࡿ. 㡿ᇦᐦ࡞㛵ಀ࠶ࡾ㸪K ࡼࡾᩚ⌮ࡍࡿࡇࡀྍ. hydraulic flip ྠ➼ࡢ⌧㇟ࡀ⏕ࡌࡿࡇࡀ♧ࡉࢀࡓ㸬. ⬟࡛࠶ࡿ࠸࠼ࡿ㸬. ௨ୖࡼࡾ㸪㣬Ẽᅽࡢᕪ␗ࡼࡿ࢟ࣕࣅࢸ࣮ࢩ ࣙࣥ⌧㇟࠾ࡼࡧᄇᏍෆᅽຊࡢᙳ㡪ࡣᄇᑕᅽຊࢆኚ. ࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘࡼࡿᄇᏍෆᅽຊ㸪ᄇὶᖜ. ࡉࡏࡓሙྜᴫࡡഴྥࡀ୍⮴ࡍࡿࡇࡀࢃࡗࡓ㸬 ࡍ࡞ࢃࡕ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟࠾ࡼࡧᄇᏍෆᅽຊ. ࠾ࡼࡧᄇᏍෆ࣎ࢻ⋡ࡢᩚ⌮ ᣑࣔࢹࣝ 1 ࢆ⏝࠸࡚㸪ྛᄇᑕᅽຊ㸫౪ヨ⇞ᩱࡢ. ( 53 ).
(8) 松本雅至・松村恵理子・千田二郎. 120. Hydraulic flip. Entrance boundary (Pin = constant) ws [mm] (300). Cavitation. 0.3 3. *( ) indicates the number of mesh ws= 20 mm ls = 20 mm wh= 3.75 mm lh = 17.5 mm. 0.2 2 0.1 1 0 0.0. 3 3.0 2 2.5. 1.5 1.0. Outflow boundary (Pout = constant). W / Wh [-]. 2 2.0. wh [mm] (100). 0 0.5. Pressure [MPa]. 0.20 0 0.15 5. Upstream Downstream. ls [mm] (200). 4 0.4. lh [mm] (175). Void fraction [-]. 0.5 5. Fig. 10. Computational grid. 0 0.0. ࡓᄇὶᖜ࠾࠸࡚ࡶఛ࠸▱ࡿࡇࡀྍ⬟࡛࠶ࡿ㸬ࡍ ࡞ࢃࡕ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘࡢపୗక࠸ᄇὶᖜࡣ ቑຍࡍࡿഴྥ࠶ࡿࡀ㸪K=0.52 ㏆ഐ࠾࠸࡚ᛴ⃭. 0.10 0. ῶᑡࡋ࡚࠸ࡿࡇࡀࢃࡿ㸬ࡋࡓࡀࡗ࡚㸪ᄇὶᖜࡶ. 5 0.05. ࡲࡓ K ࡼࡾᩚ⌮ࡍࡿࡇࡀྍ⬟࡛࠶ࡿ࠸࠼ࡿ㸬 0 0.00 0.0 0 0. 0.5 0 5 10 1.0 1.5 15 Cavitation number K [-]. ୍᪉㸪ୖẁ♧ࡋࡓᄇᏍෆ࣎ࢻ⋡╔┠ࡍࡿ㸪. 2.0 20. K ࡢపୗక࠸࣎ࢻ⋡ࡣࡁࡃቑຍࡋ㸪ᄇὶᖜ. Fig. 9. Reference of cavitation number on pressure, void fraction inside nozzle hole and width of liquid jet. ྠᵝ K=0.52 ㏆ഐ࠾࠸࡚ᛴ⃭పୗࡋ࡚࠸ࡿ㸬ࡋ ࡋ࡞ࡀࡽ㸪hydraulic flip ࡞ࡿ᮲௳࠾ࡅࡿ࣎. ⤌ࡳྜࢃࡏ࠾ࡅࡿᄇᏍෆᅽຊ㸪ᄇᏍෆ࣎ࢻ⋡࠾. ࢻ⋡ࡢࡤࡽࡘࡁࡣࡁ࠸㸬ࡇࡢཎᅉࡋ࡚㸪K ࡀప. ࡼࡧᄇὶᖜࢆㄪᰝࡋ㸪K ࡼࡾᩚ⌮ࡋࡓ㸬ࡑࡢ⤖ᯝ. ୗࡍࡿࡘࢀ࡚ẼἻ㔞ࡀቑຍࡍࡿ୍᪉࡛㸪ᙳ⏬ീ. ࢆ Fig.9 ♧ࡍ㸬ᄇὶᖜ W ࡣᄇᏍฟཱྀࡼࡾᆶ┤ୗ. ࠾࠸࡚ⓑࡃࡿ㒊ศࡀつ๎⏕ࡌࡿࡇࡀᣲࡆ. 5.0mm ࡢ⨨࠾࠸࡚ᚓࡽࢀࡓᄇᏍ᪉ྥ┤⾜ࡍࡿ. ࡽࢀࡿ㸬. ᪉ྥࡢᖜࢆ♧ࡋ㸪ࡑࡢ್ࢆᄇᏍᖜ Wh ࡛ṇつࡋ࡚. ௨ୖࡼࡾ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟㛵㐃ࡍࡿ✀ࠎ. ♧ࡋࡓ㸬ࡲࡓ㸪ᄇᏍෆ࣎ࢻ⋡ࡣᙳ⏬ീࡢࣆࢡࢭ. ࡢ㡯┠㸪≉ᄇᏍෆᅽຊ࠾ࡼࡧᄇὶᖜࡶࡲࡓ࢟ࣕࣅ. ࣝࡈࡢ㍤ᗘ್ᑐࡋ㜈್ࢆタࡅࡿࡇ࡛ẼἻࡢ᭷. ࢸ࣮ࢩࣙࣥ⌧㇟ྠᵝ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘࡼࡾᩚ. ↓ࢆุูࡋ㸪ࡑࢀࡽࡢ✚⟬್ᄇᏍ㒊ࡢ⥲ࣆࢡࢭࣝ. ⌮ࡍࡿࡇࡀྍ⬟࡛࠶ࡿ࠸࠼ࡿ㸬. ᩘࡢ㠃✚ẚࡼࡾ⟬ฟࡋࡓ㸬࡞࠾㸪ྛ್ࡣᐃᖖᮇ㛫 6WDU&' ࢆ⏝࠸ࡓィ⟬᪉ἲ࠾ࡼࡧィ⟬⤖ᯝ. ࠾࠸࡚ᚓࡽࢀࡓ㛫ᖹᆒ್ࢆ⏝࠸ࡓ㸬 Fig.9 ࡢୗẁ╔┠ࡍࡿ K ࡢῶᑡక࠸ᄇᏍෆ. ᮏ❶࡛ࡣỗ⏝⇕ὶయゎᯒࣉࣟࢢ࣒ࣛ Star-CD ࢆ⏝. ᅽຊࡣୖὶ㒊࣭ୗὶ㒊ࡶపୗࡍࡿഴྥ࠶ࡿ㸬. ࠸㸪ᄇᏍෆ࠾ࡅࡿὶືሙ࠾ࡼࡧ࢟ࣕࣅࢸ࣮ࢩࣙࣥ. ࡲࡓ㸪K=0.52 ㏆ഐ࠾࠸࡚୧ィ ⟠ᡤࡢᅽຊࡀᛴ⃭. ⌧㇟ࡢᩘ್ゎᯒࢆ⾜࡞࠺㸬ᮏィ⟬⏝࠸ࡓィ⟬᱁Ꮚ. ୖ᪼ࡍࡿࡇࡀ☜ㄆࡉࢀࡿ㸬3.1 ࠾ࡼࡧ 3.2 ⠇࡛㏙. ࢆ Fig.10 ♧ࡍ㸬ィ⟬᱁Ꮚࡣᐇ㦂⏝࠸ࡓᣑࣀࢬ. ࡓࡼ࠺㸪hydraulic flip ࢆ⏕ࡌࡿ᮲௳࠾࠸࡚ᄇ. ࣝࡢࢧࢵࢡ┦ᙜ㒊௨ᚋࡢὶ㊰ࢆḟඖ࡛ᶍᨃࡋ࡚࠸. Ꮝෆࡢᅽຊࡀᇦࢃࡓࡾṇᅽࢆక࠺㸬ࡇࡢࡇ. ࡿ㸬ᄇᏍ㒊(ᖜ wh㸪㛗ࡉ lh)ࡣ 100175 ࡢ࣓ࢵࢩ࡛ࣗ. ࡽ㸪࠾ࡼࡑ K=0.52 ࡞ࡿ᮲௳ࡀᮏࣀࢬࣝ࠾࠸࡚. ᵓᡂࡉࢀ㸪ୖ㒊ቃ⏺ࡽࡢὶධᅽຊࢆ Pin㸪ୗ㒊ቃ⏺. hydraulic flip ࢆ࿊ࡍࡿྰࢆỴᐃࡍࡿቃ⏺᮲௳࡛. ࡽࡢὶฟᅽຊࢆ Pout ࡋࡓ㸬ࡇࡢሙྜ㸪࢟ࣕࣅࢸ. ࠶ࡿ⪃࠼ࡽࢀࡿ㸬ࡇࡢࡇࡣ㸪ࢢࣛࣇ୰ẁ♧ࡋ. ࣮ࢩࣙࣥᩘࡣḟᘧ࡛⾲ࢃࡉࢀࡿ㸬. ( 54 ).
(9) 噴霧微粒化に対するキャビテーションの影響の解明(第 1 報,拡大ノズルを用いたノズル内流動状況の可視化) 121. Table 7. Calculation conditions for each Pin Fuel. Table 8. Calculation conditions for each Pv Fuel. 2-Methylpentane. Saturated vapor pressure Inlet pressure Reynolds number. Pv. iC6. Saturated vapor pressure Pv. 23. Inlet pressure. Pin. [MPa] 0.15 0.20 0.25 0.30 [-] 1.02 1.45 1.77 2.05. Reynolds’ number. Re㽢105. [-] 1.61 0.79 0.53 0.39. Cavitation number. K. K Pout. [MPa]. Outlet pressure. 0.85. [kPa]. 23. C5/C6 C5/C7 C5/C11 24. Pin [MPa]. Re㽢105. Cavitation number Outlet pessure. [kPa]. 51. 0.66. 0.51. 1.45. [-] [-] 0.79. 36 0.20. 0.78. Pout [MPa]. 0.85 (Pv : At bubble point). 0.300. 0.100. Pressure [MPa]. 0.200. 0.023 1.00. 20 10 0 (a) Pin = 0.15MPa (K = 1.61). (b) Pin = 0.20MPa (K = 0.79). (c) Pin = 0.25MPa (K = 0.53). (d) Pin = 0.30MPa (K = 0.39). Velocity magnitude [m/s]. 0.00 30. Void fraction [-]. 0.50. Fig. 11. Distributions of pressure, void fraction and velocity magnitude for each Pin. K. Pout Pv Pin Pout. ⠇♧ࡋࡓᐇ㦂⤖ᯝྠࡌഴྥ࡛࠶ࡿ࠸࠼ࡿ㸬ḟ (2). 㸪࣎ࢻ⋡ศᕸ╔┠ࡍࡿ㸪ẼἻࡀᏑᅾࡍࡿ⠊ ᅖࡣᅽຊศᕸ࠾࠸࡚☜ㄆࡉࢀࡿపᅽ࡞㡿ᇦᴫࡡ. . ᑐᛂࡋ࡚࠸ࡿࡇࡀࢃࡿ㸬ࡋࡋ࡞ࡀࡽ㸪. ὶධᅽຊࡢᕪ␗ࡼࡿὶࢀሙࡢᙳ㡪. Pin=0.20MPa ࡛ࡣపᅽ㡿ᇦࡢᙧᡂࡀ☜ㄆࡉࢀࡿࡶ. ィ⟬᮲௳ࢆ Table 7 ♧ࡍ㸬3.1 ⠇ࡢᐇ㦂᮲௳ᑐ. 㛵ࢃࡽࡎẼ┦ࡢᏑᅾࡀぢࡽࢀ࡞࠸㸬ᮏィ⟬࠾࠸࡚. ᛂࡍࡿࡼ࠺ྠ୍౪ヨ⇞ᩱࡢࡶ࡛ୖ㒊ቃ⏺ᅽຊࢆኚ. ὶࢀሙࡢ㛫ኚࢆ⪃៖ࡋ࡚࠸࡞࠸ࡇࡽ㸪. ࡉࡏࡓ㸬ࡲࡓ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥࢆ⾲⌧ࡍࡿᩘ್. Barotropic ࣔࢹ࡛ࣝࡣ㣬Ẽᅽ㐩ࡍࡿ㡿ᇦࡀ࠶. ࣔࢹࣝࡋ࡚ィ⟬㈇ⲴపῶࡢほⅬࡽ Barotropic ࣔ. ࡿ⛬ᗘࡢつᶍࢆᙧᡂࡋ࡞࠸ẼἻࢆ⏕ࡌ࡞࠸ࡼ࠺࡛. ࢹࣝࢆ᥇⏝ࡋࡓ㸬Barotropic ࣔࢹࣝࡣ࢟ࣕࣅࢸ࣮ࢩ. ࠶ࡿ㸬ࡇࢀࡽࡼࡾ㸪ィ⟬࠾࠸࡚ࡶᅽຊሙẼἻ㡿. ࣙࣥὶࢀࢆᨃఝⓗ༢┦ὶࢀࡳ࡞ࡋ㸪Ẽᾮࡢΰྜ. ᇦࡢ㛵ಀࢆᐃᛶⓗ⾲⌧ࡋᚓࡿ࠸࠼ࡿ㸬୍᪉㸪㏿. ᐦᗘࡀᅽຊࡢࡳ࡛ኚࡍࡿ௬ᐃࡋࡓࣔࢹ࡛ࣝ࠶ࡿ㸬. ᗘศᕸ╔┠ࡍࡿ㸪ప㏿࡞㡿ᇦࡀᄇᏍ㒊ࡢቨ㠃㏆. ィ⟬ࡼࡾᚓࡽࢀࡓࣀࢬࣝෆᅽຊ㸪࣎ࢻ⋡࠾ࡼ. ഐᙧᡂࡉࢀ࡚࠸ࡿࡇࡀࢃࡿ㸬ࡲࡓ㸪ࡇࡢప㏿. ࡧ㏿ᗘࡢศᕸࢆ Fig.11 ♧ࡍ㸬ࡲࡎᅽຊศᕸ╔┠. 㡿ᇦࡣ࣋ࢡࢺ࡛ࣝ☜ㄆࡍࡿᚠ⎔ὶࢀࢆకࡗ࡚࠾ࡾ㸪. ࡍࡿ㺂Pin ࡢቑຍక࠸ᄇᏍ㒊࠾ࡅࡿపᅽ࡞㡿ᇦ. ᅽຊศᕸࡢపᅽ㡿ᇦᴫࡡᑐᛂࡋ࡚࠸ࡿ㸬ࡇࡢࡇ. ࡣᄇᏍฟཱྀ᪉ྥᣑࡋ࡚࠸ࡿࡇࡀࢃࡾ㸪3.1. ࡽ㸪ὶධᅽຊࡀ㧗ࡃ࡞ࡿᄇᏍධཱྀ㒊࠾ࡅࡿ⇞. ( 55 ).
(10) 122. 松本雅至・松村恵理子・千田二郎. 0.300. 0.100. Pressure [MPa]. 0.200. 0.023 1.00. 20 10 0 (b) C5/C6 (c) C5/C7 (d) C5/C11 (a) 2-Metylpentane (Pv = 23kPa, K = 0.79) (Pv = 24kPa, K = 0.78) (Pv = 36kPa, K = 0.66) (Pv = 51kPa, K = 0.51). Velocity magnitude [m/s]. 0.00 30. Void fraction [-]. 0.50. Fig. 12. Distributions of pressure, void fraction and velocity magnitude for each Pv ᩱὶ㏿ࡢቑࢆᣍࡁ㸪㞳ࡋࡓὶࢀࡢᄇᏍ㒊ቨ㠃. ࣥẼἻ㔞ࡀቑຍࡍࡿࡇࡼࡾ㸪ᄇᏍධཱྀゅ㒊ࡼࡾ. ࡢ╔Ⅼࡀୗὶ᪉ྥ᥎⛣ࡍࡿࡇࡽ㸪つ. 㞳ࡋࡓὶࢀࡢቨ㠃ࡢ╔⨨ࡣୗὶ᪉ྥ. ᶍ࡞ᚠ⎔ὶࢀ࠾ࡼࡧపᅽ㡿ᇦࢆᙧᡂࡍࡿ࠸࠼ࡿ㸬. ⛣ືࡍࡿ⪃࠼ࡽࢀࡿ㸬ࡍ࡞ࢃࡕ㸪ᐇ㦂࠾࠸࡚☜. . ㄆࡉࢀࡓࡼ࠺㸪౪ヨ⇞ᩱࡢ㣬Ẽᅽࡀ࠶ࡿ⛬ᗘ. 㣬Ẽᅽࡢᕪ␗ࡼࡿὶࢀሙࡢᙳ㡪. ࡲ࡛㧗ࡃ࡞ࡿ㸪పᄇᑕᅽࡢ᮲௳࠾࠸࡚ࡶ. ィ⟬᮲௳ࢆ Table 8 ♧ࡍ㸬3.2 ⠇ࡢᐇ㦂᮲௳ᑐ. hydraulic flip ࢆ⏕ࡌࡿྍ⬟ᛶࡀ࠶ࡿ㸬. ᛂࡍࡿࡼ࠺ྠ୍ὶධᅽຊࡢࡶ࡛㣬Ẽᅽࢆኚ. . ࡉࡏࡓ㸬ࡢゎᯒᡭἲࡣ 4.1 ⠇ྠᵝ࡛࠶ࡿ㸬. ᐇ㦂⤖ᯝࡢẚ㍑᳨࣭ド. 㣬Ẽᅽࢆኚࡉࡏࡓ㝿ࡢࣀࢬࣝෆᅽຊ㸪࣎. 3 ❶࠾࠸࡚ᚓࡽࢀࡓᐇ㦂⤖ᯝ࠾ࡼࡧ๓⠇ࡲ࡛ࡢ. ࢻ⋡࠾ࡼࡧ㏿ᗘࡢศᕸࢆ Fig.12 ♧ࡍ㸬ᅽຊศᕸ. ィ⟬⤖ᯝࡼࡾ㸪ᮏィ⟬࡛ࡣ࢟ࣕࣅࢸ࣮ࢩࣙࣥ㡿ᇦࢆ. ╔┠ࡍࡿ㸪㣬Ẽᅽࡀ㧗ࡃ࡞ࡿࡘࢀ࡚ᄇᏍධ. 㐣ᑡぢ✚ࡶࡿࡇࡀࢃࡿ㸬ࡇࡢཎᅉࡋ࡚㸪Ẽ. ཱྀ㒊࠾ࡅࡿపᅽ㡿ᇦࡢつᶍࡀᣑࡍࡿࡇࡀࢃ. Ἳ᰾ࡸẼἻ≀ᛶࡢ⪃៖ࡀ༑ศ࡛࡞࠸ࡇࡀ⪃࠼ࡽࢀ. ࡿ㸬ࡲࡓ㸪పᅽ㡿ᇦᑐᛂࡍࡿࡼ࠺㸪㧗࣎ࢻ⋡. ࡿ㸬ࡑࡢࡓࡵ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟㛵㐃ᛶࡢᙉ. 㡿ᇦࡢฟ⌧ࡀ☜ㄆࡉࢀࡿ㸬ࡇࢀࡽࡼࡾ㸪3.2 ⠇♧ࡋ. ࠸ᅽຊሙ㸪ࡉࡽࡣ㏿ᗘሙ㛵ࡋ࡚ࡶ⤖ᯝᕪ␗ࢆ. ࡓ㣬Ẽᅽࡢᕪ␗ࡼࡿᅽຊሙ࠾ࡼࡧ࢟ࣕࣅࢸ࣮. ⏕ࡌࡓ࠸࠼ࡿ㸬ࡢ࢟ࣕࣅࢸ࣮ࢩࣙࣥࣔࢹࣝࢆ. ࢩࣙࣥẼἻ㔞ࡢᙳ㡪ࡣᮏィ⟬࠾࠸࡚ࡶᐃᛶⓗ. ⏝ࡍࡿࡇ࡛ண ⢭ᗘྥୖࡢྍ⬟ᛶࡶṧࡉࢀ࡚࠸ࡿ. ᤊ࠼ࡽࢀ࡚࠸ࡿ࠸࠼ࡿ㸬୍᪉㸪㏿ᗘศᕸ╔┠ࡍ. ࡀ㸪᭦࡞ࡿィ⟬㈇Ⲵࡢᣑࡀぢ㎸ࡲࢀࡿ㸬ࡲࡓ㸪ฟ. ࡿ㸪㣬Ẽᅽࡢቑຍక࠸ᚠ⎔ὶࡢつᶍࡀᄇᏍ. ཱྀቃ⏺᮲௳ࡋ୍࡚ᐃࡢᅽຊ್ࢆタᐃࡋ࡚࠸ࡿࡇ. ฟཱྀ㏆ഐࡲ࡛㐍ᒎࡍࡿࡇࡀࢃࡿ㸬ࡍ࡞ࢃࡕ㸪. ࡽ㸪hydraulic flip ࡢࡼ࠺࡞ὶࢀሙࢆ⌧ࡋᚓ࡞࠸. ྠ୍ὶධᅽຊࡢ᮲௳ୗ࠾࠸࡚ࡶ㣬Ẽᅽࡀ␗࡞. ྍ⬟ᛶࡀ࠶ࡿ㸬࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࢆᩘ್ⓗグ. ࡿࡇ࡛ᄇᏍ㒊࠾ࡅࡿ⇞ᩱὶࢀᕪ␗ࡀ⏕ࡌࡿࡇ. ㏙ࡍࡿࡓࡵࡣ㸪ẼἻ㛵ࡍࡿヲ⣽ࡢࡳ࡞ࡽࡎ㸪ὶ. ࡀ♧ࡉࢀ࡚࠸ࡿ㸬ࡇࡢࡇࡽ㸪࢟ࣕࣅࢸ࣮ࢩࣙ. ືሙࡑࡢࡶࡢࢆ㐺ษゎࡃᚲせࡀ࠶ࡿ⪃࠼ࡽࢀࡿ㸬 . ( 56 ).
(11) 噴霧微粒化に対するキャビテーションの影響の解明(第 1 報,拡大ノズルを用いたノズル内流動状況の可視化) 123. ⤖ゝ. 6). ⋢ᮌఙⱱ, す⏣ᜨဢ, ΎỈṇ๎, ᘅᏳ༤அ, ࣀࢬࣝෆ. ᮏ◊✲࡛ࡣ㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ࡢᇶ♏ⓗ≉ᛶ. ᄇᏍෆࡢ࢟ࣕࣅࢸ࣮ࢩࣙࣥࡀᾮయᄇὶࡢᚤ⢏ཬ. ࢆᢕᥱࡍࡿࡓࡵ㸪ᣑࣔࢹࣝࢆ⏝࠸࡚ᄇᏍ㒊ࡢྍど. ࡰ ࡍ ᙳ 㡪 , ᪥ ᮏ ᶵ Ე Ꮫ ㄽ ᩥ 㞟 B ⦅ , 63(614),. ࠾ࡼࡧᄇᏍෆᅽຊࡢィ ࢆ⾜࡞ࡗࡓ㸬ᄇᑕ᮲௳࠾. pp.3447-3454, (1997).. ࡼࡧ㣬Ẽᅽࢆኚࡉࡏࡓሙྜ࠾ࡅࡿᄇᏍෆᅽ. 7). 㯮ṇᩄ, ྂ㤋ோ, ✄ᮧ㝯ኵ, ࣀࢬࣝෆ࢟ࣕࣅࢸ࣮ࢩ. ຊ࠾ࡼࡧᄇὶᖜ㸪࣎ࢻ⋡ࢆㄪᰝࡋ㸪࢟ࣕࣅࢸ࣮ࢩ. ࣙࣥࡀᾮయศᶵᵓཬࡰࡍᙳ㡪(➨ 3 ሗ㸪2D ࣀࢬࣝ. ࣙࣥᩘࡼࡾ✀ࠎࡢ㛵㐃㡯┠ࢆᩚ⌮ࡋࡓ㸬௨ୗᚓ. ෆࡢᅽຊኚື), ᪥ᮏᶵᲔᏛㄽᩥ㞟 B ⦅, 71(703),. ࡽࢀࡓ▱ぢࢆ♧ࡍ㸬. pp.811-816, (2005).. (1) ᄇᑕᅽຊࢆቑຍࡉࡏࡿ࢟ࣕࣅࢸ࣮ࢩࣙࣥ㡿ᇦ. 8). ᑠ➟ཎៅ, 㯮ṇᩄ, ࣀࢬࣝෆᾮయࡢࢀࡀᄇὶཬ. ࡣᄇᏍฟཱྀ㏆ഐࡲ࡛ᡂ㛗ࡋ㸪㈇ᅽ㡿ᇦࡶୗὶ᪉. ࡰࡍᙳ㡪, ᪥ᮏᶵᲔᏛᮾᨭ㒊⛅Ꮨㅮ₇ㅮ₇ㄽ. ྥ㐍ᒎࡍࡿ㸬. ᩥ㞟, 20060930, pp.71-72, (2006).. (2) ⇞ᩱࡢ㣬Ẽᅽࡀ㧗ࡃ࡞ࡿࡘࢀ࡚࢟ࣕࣅࢸ. 9). ື㌴◊✲, 17(9), pp.449-455, (1995).. ࣮ࢩࣙࣥ㡿ᇦࡣୗὶ᪉ྥつᶍࢆᣑࡉࡏ㸪 ᄇᑕᅽຊࡢቑຍྠ⛬ᗘࡢᄇὶࡢᚤ⢏ಁ㐍ຠ. ⛅ᒣ㈼୍, ᕷ㈍࢞ࢯࣜࣥࡢⅣỈ⣲⤌ᡂ(➨ 2 ሗ), ⮬. 10) Ụಟ㐀, タィ⪅ࡢࡓࡵࡢ≀ᛶᐃᩘ᥎⟬ἲ, ᪥หᕤᴗ ᪂⪺♫, pp.310-314, (1985).. ᯝࢆᚓࡿ㸬ࡋࡓࡀࡗ࡚㸪࢟ࣕࣅࢸ࣮ࢩࣙࣥࡢⓎ. 11) ᶓ⏣※ᘯ, ఀ⸨ᖾ㞝, ᅄᡞ➉ຬ, ⣽࠸⤠ࡾࢆ㏻ࡿ㧗. 㐩ẁ㝵ࡣ࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘ౫Ꮡࡍࡿ㸬 (3) ᄇᏍෆᅽຊศᕸࡣ࢟ࣕࣅࢸ࣮ࢩࣙࣥ㡿ᇦᐦ᥋. ᅽ࣭㧗㏿Ἔὶ୰ࡢ࢟ࣕࣅࢸ࣮ࢩࣙࣥࡢ▐㛫┿ほᐹ,. ࡞㛵ಀࡀ࠶ࡾ㸪ᄇᑕᅽຊࡸ㣬Ẽᅽ࠸ࡗࡓ. ᪥ ᮏ ᶵᲔ Ꮫ ㄽ ᩥ㞟 B ⦅, 55(515), pp.1817-1822,. ࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘᐤࡍࡿᅉᏊࡢᕪ␗ࡼ. (1989). 12) 㯮ṇᩄ, ྂ㤋ோ, 㔝⏣ⱥᙪ, ࣀࢬࣝෆ࢟ࣕࣅࢸ࣮ࢩ. ࡿ≉␗࡞ኚࡣぢࡽࢀ࡞࠸㸬 (4) ࢟ࣕࣅࢸ࣮ࢩࣙࣥ⌧㇟ྠᵝ㸪ᄇᏍෆᅽຊ࠾. ࣙࣥࡀᾮయศᶵᵓཬࡰࡍᙳ㡪(➨ 2 ሗ㸪2D ࣀࢬࣝ. ࡼࡧᄇὶࡢᖜࡶࡲࡓ࢟ࣕࣅࢸ࣮ࢩࣙࣥᩘࡼࡾ. ෆࡢᾮὶࡢᣲື), ᪥ᮏᶵᲔᏛㄽᩥ㞟 B ⦅, 69(685). ᩚ⌮ࡍࡿࡇࡀྍ⬟࡛࠶ࡿ㸬. ྕ, pp.2024-2029, (2003).. (5) ᮏィ⟬ᡭἲࡣࣀࢬࣝෆ࢟ࣕࣅࢸ࣮ࢩࣙࣥ࠾ࡼࡧ. 13) Ᏽ᫂Ⰻ, ᒣ᫂⏨, ⣽ᕝⱱ㞝, ⃮ᕝៅྖ, ๓⏣㐩, 2 ḟඖࣀࢬࣝෆ࢟ࣕࣅࢸ࣮ࢩࣙࣥᾮయᄇὶࡢᚤ⢏. ᅽຊሙ㛵ࡍࡿᐃᛶⓗ࡞ഴྥࢆ⌧ࡍࡿ㸬. (➨ 2 ሗ㸪ࣀࢬࣝෆᾮ┦㏿ᗘ LDV ィ. ㄽᩥ㞟 B ⦅, 72(714), pp.521-527, (2006).. ཧ⪃ᩥ⊩ 1). ), ᪥ᮏᶵᲔᏛ. ᒣᓮ༟∞, ࢟ࣕࣅࢸ࣮ࢩࣙࣥᕤᏛ, ᪥หᕤᴗ᪂⪺♫,. 14) ᯇᮧᜨ⌮Ꮚ, ┤ᄇ࢞ࢯ࢚ࣜࣥࣥࢪࣥ⏝ࢫࣜࢵࢺࣀࢬ. pp.4-14, pp.62-67, (1978).. ࣝෆࡢ⇞ᩱὶືᄇ㟝≉ᛶ㛵ࡍࡿ◊✲, ྠᚿ♫. 2). ຍ⸨ὒ, ࢟ࣕࣅࢸ࣮ࢩࣙࣥ, ᵐ᭩ᗑ, pp.1-6, (1990).. ᏛᏛㄽᩥ, (2006).. 3). ᶓ⏣※ᘯ, ఀ⸨ᖾ㞝, 㟷ᮌඵ㑻, ⣽⤠ࡾࢆ㏻ࡿ㧗㏿Ἔ ὶ୰ࡢ࢟ࣕࣅࢸ࣮ࢩࣙࣥᑐࡍࡿࡢ㒊㛗ࡉࡢᙳ㡪, ᪥ᮏᶵᲔᏛㄽᩥ㞟 B ⦅, 58( 545), pp.1-6, (1992).. 4). 㯮ṇᩄ, ྂ㤋ோ, ࣀࢬࣝෆ࢟ࣕࣅࢸ࣮ࢩࣙࣥࡀᾮయ ศᶵᵓཬࡰࡍᙳ㡪, ᪥ᮏᶵᲔᏛㄽᩥ㞟 B ⦅, 68(671), pp.1998-2005, (2002).. 5). Ᏽ᫂Ⰻ, ᒣ᫂⏨, ⣽ᕝⱱ㞝, ⃮ᕝៅྖ, ᯇᮏὒ୍㑻, ḟඖࣀࢬࣝෆ࢟ࣕࣅࢸ࣮ࢩࣙࣥᾮయᄇὶࡢᚤ⢏ (➨ 1 ሗ㸪㉸㧗㏿ᗘ࣓࢝ࣛࡼࡿྍど), ᪥ᮏᶵᲔ Ꮫㄽᩥ㞟 B ⦅, 72(714), pp.513-520, (2006).. ( 57 ).
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