7.3.6 Lubricating oil cooler (2E01)
The external lubricating oil cooler can be of plate or tube type.
For calculation of the pressure drop a viscosity of 50 cSt at 60°C can be used (SAE 40, VI 95).
Design data:
see Technical data, "Oil flow through engine"Oil flow through cooler
see Technical dataHeat to be dissipated
80 kPa (0.8 bar)Max. pressure drop, oil
see Technical data, "LT-pump capacity"Water flow through cooler
60 kPa (0.6 bar)Max. pressure drop, water
49°CWater temperature before cooler
56°COil temperature before engine
1.0 MPa (10 bar)Design pressure
min. 15%Margin (heat rate, fouling)
Fig 7-10 Main dimensions of the lubricating oil cooler
Dimensions [mm]
Weight, dry
[kg]
Engine
DCBALWH
300330105738012176901675840W 6L46DF
300330105738014676901675890W 7L46DF
300330105738014676901675950W 8L46DF
3003301057380171769016751010W 9L46DF
3003301057380171769016751070W 12V46DF
3003301057380196769016751190W 14V46DF
3003301057380196769016751240W 16V46DF
DBAD209883 7-17
7. Lubricating Oil SystemWärtsilä 46DF Product Guide
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