. Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers. X = per sq. ft. per hr. per difference. Experiment No. 2. In this experiment, the apparatus with the halfinch frames was used, and a set of observations was obtained in thesame manner as in experiment No. 1. As before, a correction for non-stirring was necessary. Fig. 4 gives the graph. In this case the correction for non-stirring wasapproximately 2 deg. at 90 min., and leads to the change in slope whichis indicated. It can be seen that B = , T = 105, L = , and a

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. Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers. X = per sq. ft. per hr. per difference. Experiment No. 2. In this experiment, the apparatus with the halfinch frames was used, and a set of observations was obtained in thesame manner as in experiment No. 1. As before, a correction for non-stirring was necessary. Fig. 4 gives the graph. In this case the correction for non-stirring wasapproximately 2 deg. at 90 min., and leads to the change in slope whichis indicated. It can be seen that B = , T = 105, L = , and asalready explained, / for the ^ in. frames was taken as cm.; hence:k = X 1-845 X .512/105 = per sq. ft. per hr. per difference. 140 Transactions of Am. Soc. of Engineers d4 23 V ~ ~ — n ~ n ~ ~ — — — — ~ n n ?^ — X 21 S y N V ^ 19 rs 17 ? 15 ^C12II109 A \ ^ ^ s \ > ?v s k v ?N N ?v S s. V, S V •A ^ !>. V. >^ ^ v .^ 5; *> *» V, i! K ^ OTlO 20 30 .40 50 60 % 80 90 100 «0 120 130 140 SO 160t,Minu+es Fig 2. 0 10 ZO 30 40 50 60 70 &0 90 100 110 120 130 140 150 150t,Minu+esFig. 3. 150 L40 130> ? . ? 100 ,

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