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T.Konishietal./FireSafetyJournal43(208)363-375 367
obtainedatairspedof10knots.Ifthe530-1he1ibucket c10sere1ationbetwencoverageleve1andtheamountof is used under the same conditions，the coverage 1eve1 temperaturedrop，temperaturerecoverytime，andrecovery 31.51/m2wilbeobtainedatairspedof2knots.Fromthe temperature，asshowninFigs.5and10，fireextinction
ab
a
386m21.6L1m2 (6)86ft18kt
[
178m23.0Llm2 (7)14仇 15kt
~~r-l
339m21.8L1m2 (8)102ft12kt
192m22.8L1m2 374m21.6L1m2 (9)19ft18kt (10)103ft6kt
••
Fig.3.Photosfrom(a)thefirstand(b)thesecondexperiments.
(1)17ft16kt (2)1ft12kt (3)105ft17kt (4)92ft14kt (5)13ft15kt
ハ
lι r-l A r-l ~
ハ I¥r-l
A r-l同r-l
r-l同r-l r一副r-l r-l阿[
「-h~r-l r-l阿 ITI
HJt=!U 叩同l与J U~U Y同U UT=lU
i
中~ t-} 'H H vv
r - l ハ [ r-l同 H r-l出[ klチJ~U H~LJ LJ~LJ LJ同ト! 叩MLJ
仏「民r-l
-U¥JU U U¥I¥Y-l V
252m22.1L1m2
[同r-l
339m21.8/m2 (12)109ftIOkt
r-l以r-l
207m22.6L1m2 (13)96ft5kt
374m21.6L1m2 (14)104ft1kt
122m24.4L1m2 (15)128ft12kt
164m23.7L1m2 (16)102丘Okt
[ H L4出 U
[ 同r-l r- -h出r-l
[
U LJ Vム¥チ
r-l出r-l
rlMr-l
r-l~，+r
LJ同L」千 129m24.2L1m2 306m22.0Llm2
(19)14ft24kt (20)12ftOkt ι [
.h出r-l r-l回[ 4出 LJ 4~LJ
F i g . 4 . T h e c o v e r a g 巴 a r e a s o f d r o p p i n g w a t 巴 r o f ( a ) t h 巴 白 r s t e x p e r i m e n t a n d ( b ) t h e s e c o n d e x p 巴 r i m 巴 n t s ， w h i c h a r e s h o w n b y e n c i r c l e d a r e a s . F l i g h t h e i g h t: topleftofeachFigure.Airspe巴d:topright.Coveragearea:bottomleft.Coveragelevel:bottomright.
叫出LJ
146m23.7L1m2 146m24.1L1m2
(17)12ftOkt (18)14ft18kt [(:+，
U凶LJ
U H U
U U U U しょノ
4出 LJ
50m210.8L1m2 75m27.7/m2 241m22.2L1m2 479m21.3L1m2 64m29.4L1m2
LJ回 ι. .J
~出 LJ
JU