capacity tests of two remote air-cooled size b, class i
TRANSCRIPT
NATIONAL BUREAU OF STANDARDS REPORTNBS PROJECT NBS REPORT
1003-20-4891 April ij, 1959 6378
CAPACITY TESTS OP TWO REMOTE AIR-COOLEDSIZE Bj CLASS I REFRIGERANT CONDENSERS
MANUFACTURED BYDUNHAM-BUSH, INC.
uy
F. J. J, Drapeau and C. W„ PhillipsAir Conditioning^ Heatings and Refrigeration Section
Building Technology Division
to
Mechanical Engineering DivisionHeadquarters
s
Quartermaster Research and Engineering CommandNaticks Massachusetts
IMPORTANT NOTICE
NATIONAL BUREAU 0
intended for use within
to additional evaluation
listing of this Report, e
the Office of the Directt
however, by the Govern
to reproduce additional
Approved for public release by the
Director of the National Institute of
Standards and Technology (NIST)
on October 9, 2015.
or progress accounting documents
is formally published it is subjected
iting, reproduction, or open-literature
:rmission is obtained in writing from
. C. Such permission is not needed,
cally prepared if that agency wishes
<NBS>
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PRESSURE - ENTHALPYDIAGRAMNO SCALE
ENTHALPY (BTu/lb)NOTE •
LABELED IN ACCOPOANCEWITH A3PE PS Z.4
CONDENSER SPECIMENDIAGRAM
Fig 2
Table 1
CONDEN6ER 3PECIMENmfr. Dunham-Bush. Inc. size - b
j
nbs no. 139-57, 155-58 class - 1
ITEM PROPERTY REMARKScoil tube characteristics
/ MATERIAL Copper Type L2 NUMBER of rows deep 2
3 NUMBER OF TUBES HIGH 32A NUMBER OF CIRCUITS IN PARALLEL 4
5 NUMBER OF TUBES PER CIRCUIT 86 TUBE DIAMETER
,0. D. , IN. 5/8
7 TUBE WALL THICKNESS,IN. 0.042
B TUBE RETURN BEND DIAMETERtO.D. , IN
.
1/29 GAS INLET CONNECTION DIAM
. , O. D. ,IN. 7/8 7/8 O.D. inlet manifold
10 LIQUID OUTLET CONN. DIAMETER , O. D , IN. 5/8 3/4 O.D. outlet manifold
II VERTICAL TUBE SPACING , IN. S 2.0012 PRIMARY SURFACE AREA ,
SQ.FT. 11.18COIL FIN CHARACTERISTICS
/ MATERIAL Aluminum2 TYPE OF FIN Embossed Rolled CollarS FIN SPACING
,PER INCH 8 202 Fins
A FIN THICKNESS , IN. 0.010S SECONDARY SURFACE AREA
,SQ.FT. 255.6
COIL DIMENSIONS' FINNED HEIGHT, IN. K 32.0 Two 16-inch sections2 FINNED WIDTH , IN. F 23.5 1
|3 FINNED DEPTH, IN. V 3.0
. . —
1
A COIL HEIGHT,IN. H 31.0
S COIL WIDTH, IN. W 29.0
6 COIL DEPTH , IN. D 1.57 COIL DEPTH
,OVERALL , IN. N 10o4
6 FACE AREA, 3Q. FT. 5.7
9 TOTAL SURFACE AREA, SQ.FT. 266.8i
OVERALL CONDENSER DIMENSIONS
/ WIDTH,OVERALL
,IN. A 32.5
2 WIDTH , SHROUD , IN. B 25.8 - .......j
3 HEIGHT , IN. C 34.1!
A DEPTH,IN. E o•
1—
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S BELLMOUTH ORIFICE DIAMETER,IN. X 24.5 .
G DELLMQUTH RADIUS , IN. R 0.38 Less than _£peclfle'd minj
CONDENSER
SPECIMEN
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