TABLE OF CONTENTS 8.7.7 WATER PUMP INLET PRESSURE/MAXIMUM STATIC HEAD ................................. 8-16 8.7.8 COOLANT FLOW RATE/EXTERNAL PRESSURE DROP ........................................ 8-16 8.7.9 MINIMUM COOLANT TEMPERATURE ..................................................................... 8-17 8.7.10 SYSTEM PRESSURIZATION ..................................................................................... 8-17 8.7.11 COOLANTS ................................................................................................................ 8-17 8.8 CHARGE AIR COOLING REQUIREMENTS ..................................................................
8-17 8.8.1 COOLING CAPABILITY .............................................................................................. 8-17 8.8.2 MAXIMUM PRESSURE LOSS ................................................................................... 8-17 8.8.3 CLEANLINESS ........................................................................................................... 8-18 8.8.4 LEAKAGE ................................................................................................................... 8-18 8.9 VEHICLE SIGN-OFF .......................................................................................................
8-18 8.10 COOLING SYSTEM DESIGN CONSIDERATIONS ........................................................ 8-18 8.10.1 COOLING SYSTEM REQUIREMENTS ..................................................................... 8-18 8.10.1.1 ENGINE OPERATING TEMPERATURE .............................................................. 8-18 8.10.1.2 INTAKE MANIFOLD TEMPERATURE ................................................................. 8-19 8.10.2 ENGINE PERFORMANCE ......................................................................................... 8-19 8.10.2.1 ENGINE HEAT REJECTION ................................................................................
8-19 8.10.2.2 COOLANT FLOW ................................................................................................. 8-19 8.10.2.3 HEAT TRANSFER CAPABILITIES ....................................................................... 8-19 8.10.3 ENVIRONMENTAL AND OPERATING CONDITIONS ............................................... 8-20 8.10.3.1 AMBIENT TEMPERATURE .................................................................................. 8-20 8.10.3.2 ALTITUDE .............................................................................................................
8-21 8.10.3.3 SPACE CONSTRAINTS ....................................................................................... 8-21 8.10.3.4 NOISE LIMITS ...................................................................................................... 8-21 8.10.3.5 TILT OPERATIONS OR INSTALLATIONS ........................................................... 8-21 8.10.4 SYSTEM COMPONENTS .......................................................................................... 8-21 8.10.4.1 ADDITIONAL HEAT LOADS TO COOLANT ........................................................ 8-21 8.10.4.2 ADDITIONAL HEAT LOADS TO AIR ....................................................................
8-22 8.10.4.3 COOLANT TYPE .................................................................................................. 8-22 8.10.4.4 PLUMBING .......................................................................................................... 8-22 8.10.4.5 AUXILIARY COOLANT FLOW PATH CIRCUITRY ............................................... 8-24 8.10.4.6 WATER COOLED EXHAUST SYSTEMS ............................................................. 8-24 8.10.4.7 WATER PUMPS ................................................................................................... 8-24 8.11 CHARGE AIR COOLING DESIGN GUIDELINES ...........................................................
8-25 8.11.1 SIZE ............................................................................................................................ 8-25 8.11.2 COOLING AIR FLOW RESTRICTION ....................................................................... 8-26 8.11.3 MATERIAL .................................................................................................................. 8-26 8.11.4 HEADER TANKS ........................................................................................................ 8-26 8.11.5 LOCATION ..................................................................................................................
8-26 8.11.6 PIPEWORK ................................................................................................................ 8-26 8.12 HEAT EXCHANGER SELECTION .................................................................................. 8-27 8.12.1 SHELL AND TUBE HEAT EXCHANGERS ................................................................. 8-27 8.13 FAN SYSTEM RECOMMENDATIONS AND FAN SELECTION ..................................... 8-28 8.13.1 BLOWER VS. SUCTION FANS .................................................................................. 8-29 8.13.1.1 FAN PERFORMANCE ..........................................................................................
8-30 8.13.1.2 FAN POSITION ..................................................................................................... 8-33 8.13.1.3 FAN SHROUDS .................................................................................................... 8-34 vi All information subject to change without notice. DDC-SVC-MAN-0073 Copyright © 2009 DETROIT DIESEL CORPORATION