Measurement of Correlated Droplet Size and Velocity Statistics, Size Distribution, and Volume Flux in a Steady Spray Flame

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Axial Velocity 2 = 100 mm 30 25 20 0 2 lUll • 5 lUll f 1.5 A 10 lUll ............ • 20 jUJI aO=~o.ee:~:QQ~o 10 o 30 lUll ~ ~ ••• :t!!··: ... :1 5 • 40 lUll 6. _____ ~ _4_ · Mean 0 - - Gu -------- ·5 AlI;"1 Velocity 2 =75 mm 30.-~--'---r-~--'-~r--r--' 25 20 "' 15 ~ )0 ~ 5 o ·5 o 21Ul1 • 5 lUll 6 10 lUll • 20 lUll o 30 J.UD • 40 J.UD • Mean - - Gu Fig. 4. (Continued.) 8' r(nun) 100 75 i] i 50 -;: c5 25 10 20 40 60 80 r(mm) Fig. 5. Arithmetic mean diameter (0 10 ) and 10-90% span of the droplet size distribution as a function of position. ! ~ o ~ Radial Velocity 2 = l00mm 30 25 0 2jUJ1 • 5jUJ1 20 A 10 jUJI 15 • 20 jUJI 030jUJI • 10 • 40 jUJI •••• .···II~g5ll0 · Mean ~~~~.1I.~ .... - - Gu I."t".6. _.6.._. 66_6. ._ ~1 2a l 0 ------ ---- -- ·5 Radial Velocity 1.=75 mm 30.-~--'-~.--r--'-~r--r-,-, ~ O~~--~~~~uu~~~~~ o 10 30 so 60 70 80 r(mm) .-17.5_ t'II~llllllill": : :·~-I .-1111- 1'd l;llllllillllll~I~':h ':~::: 1111~IIIIII;jlhl:. : .~m:_1 111[11~11111111I;lIh : ~: :::: 1111111~1111I1~11~llhl:' :. ~: -I l,'III~IIIIII~llh:": ~: ~::: 1111111~[IIIII~dl~III': : ~ "':-1 III~I:' i: : : :'·':-1 20 40 60 0 20 40 60 (b) z ~ SO I11III plaac Fig. 6. Droplet size distributions along the spray cone and z = 50 mm plane. Dashed lines indicate the Sauter mean diameter at each location. ! ~ ! 0 ~ 0'\ 1 £ ~ "0 > TanaenliaJ Velocity 2 = 100 mm 30 25 0 2 lUll • 5jUJ1 20 A 10 lUll 15 • 20 J.UD o 30 jUJI 10 ..4 0jUJI Mean ~ ~ _0.: __ ___ ii.!~!d'U~.lj 0 00 0 0 ·5 TangenliaJ Velocity 25 0 21Ul1 • 5 lUll 6 10 lUll ... 20 J.UD a 30 J.UD .40J.UD • Mean r(mm) 00 0 2 = 75 mm _-_-__G_u -~!• ~~U •it• g ~ ...- --- o 0 0 10 ] .0 20 30 40 20 r(mm) 40 r(mm) 50 60 70 100 75 50 25 60 80 80 e ~ Fig. 7. Liquid volwne flux as a [unclion of position in the spray.