Transactions Society Naval Architects and Marine Engineers, Vol. 28, 1920. Plate 46 
To illustrate paper on “Surface Condensers,” 
by Luther D. Lovekin, Esq.. Member. 
-dune 24, 1920. 
DATA ON CONDENSER ON "B" SHIP "CATIGNY" 
NO. ITEM UNIT 
1 Run No. 1 2 
2 Barometer . in Hg. 30.08 30.03 
3 Avg. Vacuum in shell Weel 28.94 28.93 
4 Absolute press in shell ES 1.14 Ihe IO) 
5 Corresponding temp. ts Deg. f. BSo% 82.1 
6 Inlet water temp. ti us u 58.3 58.7 
vi Discharge water temp. to uy " 76.6 Wo 
Beis —) it 3 uM 24.9 23.4 
9 ts - to us MY 6.6 4.9 
10 = (ts-ti) = (ts-to) Sw or 4.7755 
iat log e (ts-ti) + (ts-to) Lo Be/s) 1.5637 
12 (ts-ti) - (ts-to) = T.R. 18.3 1855 
13. Mean temp. Diff. Item 12 13.78 11.83 
Ttem 11 
14 Surface, outside sq.ft. 8011 8011 
15 Steam condensed “) lb/hr 72000 72000 
16 Circulating water lb/hr 3,888, 200 3,888, 200 
17 Heat per 1b. steam Btu 988 999 
18 xk = Btu_per hour _ (17) x (15) 645 759 
Scetteexdes. ps TDNCraix ns) 
Velocity of circulating water thru tubes = 4.37 feet per second. 
WM. J. ROGERS. LITHO WASH..D C 
