What does the cooling system do? What happens if an engine runs too cool or too hot? What are the...

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What does the What does the cooling system do? cooling system do? What happens if an What happens if an engine runs too engine runs too cool or too hot? cool or too hot? What are the Types What are the Types of Cooling Systems? of Cooling Systems?

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Transcript of What does the cooling system do? What happens if an engine runs too cool or too hot? What are the...

Page 1: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

What does the cooling What does the cooling system do?system do?

What happens if an engine What happens if an engine runs too cool or too hot?runs too cool or too hot?

What are the Types of What are the Types of Cooling Systems?Cooling Systems?

Page 2: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Thermal DynamicsA camp fire explains it all!

ConductionConduction

ConvectionConvection

RadiationRadiation

Page 3: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Heat Transfer Continued

• Only 1/3 of heat produced in an engine is actually used.• Where does the remainder go?• What are some “very good” and “good” heat

conductors?• How much energy do you radiate?• What is ambient air temperature?• Thermal Dynamics in relation to material’s

surface condition.• Thermal Dynamics in relation to color.

Page 4: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Liquid Cooling Systems• What do coolants do for an engine?• Freezing Point?• Boiling Point?

• Anti-Freeze or Anti-Boil?• What makes-up a coolant?

Page 5: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

How it Works:

Liquid Cooled Systems - A pressurized closed circulation systemLiquid Cooled Systems - A pressurized closed circulation system

Page 6: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Parts of a Liquid Cooling System

• Radiator & Pressure Cap• Fan & Belt• Coolant Pump• Water Jackets• Thermostat• Hoses• Coolant

Page 7: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Radiator & Pressure Cap• Radiators:• Types: (2)• Testing & Repair: (2)• How does the radiator work?

• Pressure Cap:• Functions: (2)• How a pressure cap works:

Page 8: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?
Page 9: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Fan & Belts• What function does the fan serve?• Types of fans?

• What can the fan belt do for the engine’s cooling system?

Page 10: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Coolant Pump

• Definition:• The water pump is the heart of

the cooling system.• Sealed lubrication for the pump

bearings, why?

Page 11: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?
Page 12: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Water Jackets• Passageways through which water circulates

through the block.

Page 13: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?
Page 14: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Thermostat

• Purpose of a thermostat?• Importance of a thermostat?• How does a thermostat work?• Practical thermostat information:

Page 15: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Testing a ThermostatTesting a Thermostat

Page 16: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Minor System Parts

• Hoses:• Purpose of Hoses:• Inspecting hoses, what do you look

for?• Installation of hoses?

• Filters:• Jobs a filter can perform:

Page 17: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Coolant

• Four Properties of Coolant: (4)• Mixing antifreeze and water:• Water Type?• Mixture Percentage

• Antifreeze Specifics:• Selection• Temperature• Testing• Flushing

Page 18: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?
Page 19: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Air Cooled Engines

• How do they work?• Parts:• Fins• Shroud• Fan • Pre-Cleaner

• Maintenance:

Page 20: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

General Cooling System Tips

Page 21: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?
Page 22: What does the cooling system do? What happens if an engine runs too cool or too hot? What are the Types of Cooling Systems?

Cooling Tower Drives. Air-cooled Condenser Cooling Tower What is a cooling tower?

Cooling Tower Drives. Air-cooled Condenser Cooling Tower What is a cooling tower?

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Why Do Climate Models Drizzle Too Much and What Impact ...€¦ · Models precipitate too lightly, too frequently. ACME Total. OBS (GPCP) CMIP5 Total. Introduction Causes CloudSat

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Cooling Systems Purpose: to keep the engine at it’s most efficient operating temperature TOO HOT! TOO COLD! - poor lubrication - excessive heat - seizing.

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