Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Performance chart for a Buick oil cooler showing oil to water heat transmission.

Identifier  ExFiles\Box 149a\2\  scan0312
Date  1st February 1933
  
CHART O/19 B
BUICK OIL COOLER
OIL TO WATER HEAT TRANSMISSION
FRONTAL AREA TO WATER FLOW = 1 ft²
COOLING SURFACE " " = 27.2 ft²
COOLING SURFACE " OIL = 23.8 ft²
NO OF TUBE COMBS = 2020
DEPTH OF FILM = 3 1/8"
OIL USED - MOBILOIL "A"
OIL MEAN TEMP 170°F
WATER INLET 70°F
2 PASS FOR OIL FLOW
CONSTANT OIL FLOW = 60 LBS/MIN.
CONSTANT WATER " " = 260 GALLS/MIN.
HONEYCOMB FILM.
FRONT VIEW
SECTION
SHADED AREA INDICATES OIL PASSAGE
B.T.U.S V.{VIENNA} OIL FLOW
B.T.U.S V WATER FLOW
WATER VELOCITY = 1.0 FT/SEC.
Y-Axis Label: B.T.U.S / HOUR / 100°F TEMP. DIFF.
X-Axis Labels: OIL FLOW LBS / MIN, WATER FLOW GALLONS / MIN
Faint Stamp: EXPERIMENTAL ENGINEERING DEPT. ROLLS-ROYCE LTD. DERBY
Handwritten Note: C.J.S. 1/2/33
  
  


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