how are we going to study it? flows of energy and mass. movements of energy and mass within the...
TRANSCRIPT
HOW ARE WE GOING TO STUDY IT?
Flows of Energy and Mass.
Movements of Energy and Mass within the Earth’s Atmospheric System
WHAT’S THE BASIC PROBLEM?
WHAT’S THE BASIC PROBLEM?
Source of Energy:SUN
WHAT’S THE BASIC PROBLEM?
Source of Energy:SUN
Target Planet of Interest:
EARTH
WHAT’S THE BASIC PROBLEM?
Source of Energy:SUN
Target Planet of Interest:
EARTH
1. About 92.6 million miles (150 million Km)
WHAT’S THE BASIC PROBLEM?
Source of Energy:SUN
Target Planet of Interest:
EARTH
1. About 92.6 million miles (150 million Km)
2. Target rotating anti-clockwise
around own axis once every 24
hrs.
WHAT’S THE BASIC PROBLEM?
Source of Energy:SUN
Target Planet of Interest:
EARTH
1. About 92.6 million miles (150 million Km)
2. Target rotating anti-clockwise
around own axis once every 24 hr.
3. Target revolving around
source once every 365.25 dy
HOW CAN ENERGY BE TRANSFERRED?
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION:
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
Energy transfer by means of the horizontal movement of a medium from one environment to another.
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
Energy transfer by means of the horizontal movement of a medium from one environment to another.
Energy transfer by means of the electrical and magnetic fields.
MECHANISMS OF ENERGY TRANSFER
LOWERENERGY
CONDUCTION
HIGHERENERGY
LOWERENERGY
HIGHERENERGY
LOWERENERGY
ENERGY TRANSFERBY CONTACT
CONDUCTION
CONVECTION
HEAT
HEAT
CONDUCTIONTHROUGH
METAL
WATER MOLECULESWARM – VIBRATEMORE – REQUIRE
MORE SPACE BETWEEN THEM.
HEAT
CONDUCTIONTHROUGH
METAL
WATER MOLECULESWARM – VIBRATEMORE – REQUIRE
MORE SPACE BETWEEN THEM.
WARM LESS DENSELY PACKEDMOLECULES RISE UP TO
SURFACE.
HEAT
CONDUCTIONTHROUGH
METAL
WATER MOLECULESWARM – VIBRATEMORE – REQUIRE
MORE SPACE BETWEEN THEM.
WARM, LESS DENSELY PACKEDMOLECULES RISE UP TO
SURFACE.
COOL, MORE DENSELY PACKEDMOLECULES SINK TO
BOTTOM.
GROUND
5 – 8 miles ATMOSPHERE
EARTH’S ATMOSPHEREHEATS FROM THE BASE!
5 – 8 miles
ATMOSPHERE
EARTH’S ATMOSPHEREHEATS FROM THE BASE!
Rising CumulusClouds
Rain
FRIDGE
POT OFBOILING WATER
STOVETOP
ADVECTION
FRIDGE
POT OFBOILING WATER
STOVETOP
H
HL
HLL
+-
- -
-
RADIATION
+-
- -
-
+-
- -
-
--
-
+-
- -
-
--
--
1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD
GENERATION OF ELECTRICITY
1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD
GENERATION OF ELECTRICITY
1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD
Coal, Oil, GasNuclear, HydropowerBiomass, Geothermal
1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD
STARTER MOTOR
1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD
STARTER MOTOR
1. MOTION2. MAGNETIC FIELD3. ELECTRICAL FIELD
STARTER MOTOR
CAR BATTERY
EngineTurns Over
ANSWER TO BASIC PROBLEM #!
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
Energy transfer by means of the horizontal movement of a medium from one environment to another.
Energy transfer by means of the electrical and magnetic fields.
?
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
Energy transfer by means of the horizontal movement of a medium from one environment to another.
Energy transfer by means of the electrical and magnetic fields.
?
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
Energy transfer by means of the horizontal movement of a medium from one environment to another.
Energy transfer by means of the electrical and magnetic fields.
?
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
Energy transfer by means of the horizontal movement of a medium from one environment to another.
Energy transfer by means of the electrical and magnetic fields.
MECHANISMS OF ENERGY TRANSFER
1. CONDUCTION: Energy transfer by means of the “touching “ of molecules.
2. CONVECTION:
3. ADVECTION:
4. RADIATION:
Energy transfer by means of the internal mixing of a medium.
Energy transfer by means of the horizontal movement of a medium from one environment to another.
Energy transfer by means of the electrical and magnetic fields.?