Document MJbEnD5Qv7n13XZwkGjdnrER7
T a b le 14. A ir L eakag e in C ubic F e e t per H our and B .t .u . N ecessary to H eat Such L eakag e from 0 to 70 D eg. F ah r .
for C racks ndicated and % 4 in . Cle a r a n c e, W indo w U nlocked .I
American Society of Heating and Ventilating Engineers Guide, 1926-27
3 .8 0 8 .6 4 1 4 .9 2 9 .1 4 4 .3 7 5 .6 1 1 1 .0 1 4 9 .0
P e r F t . o f C r a c k A r o u n d t h e Sa s h n c l u d in g M e e t in g R a ilI
Per Ft. op U ncalked Crack
A round Frame LCeua.kaFgt.e | B .t.u . per Hour i
i
B .t.u .
Best R esults
Leakage Cu. Ft. per Hour
W eather Stripped W indow
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i--i to if 00 CM O
. C- O CMCM--i'O'OtOCM -HCMfO'OO'fO
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-h CM it* C- -- **t
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F--* CM to to OO T--'
B .t.u .
Average Results
Leakage Cu. F t. . per Hour
B .t.u .
Leakage 1 Cu. Ft.
per Hour i ..... i
Plain U nstripped W ood W indow
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CM lO 00 O to CO *i CM CO
B .t.u .
Leakage Cu. F t. per Hour
W in d V elo city
M iles per H our
to toc*-H 1t--oCM 0to ^ to
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P e r Sq . F t . o f 1 3 ' B r ic k W a l l ;
Pl a s t e r e d
T able 15. L eakage for D ouble H ung U nlocked W indows C. F. H. per Foot of Crack per M ile W ind V elocity and B.t .u . per H oyR per Foot of Crack per M ile W ind V elocity per 70 D egrees T emperature D ifference
American Society of Heating and Ventilating Engineers Guide, 1926-27
Osa
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CM CM CM CM CM CM
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CM CM CM NNN
1 CM CM CM CM
CM CM CM CM CM CM
1-1 cm cm cm cm
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