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Prepared by: LAURO A. CALIVA THERMAL EXPANSION
Thermal Expansion <ul><li>THERMAL EXPANSION  refers to the spreading out of particles in a substance as the thermal energy...
Thermal Expansion <ul><li>Some things expand more than others when heated. </li></ul><ul><li>One practical application of ...
 
 
 
Prepared by: LAURO A. CALIVA HEAT TRANSFER
Thermal Expansion <ul><li>HEAT TRANSFER  refers to HEAT FLOW WITHIN AN OBJECT AND FROM ONE OBJECT TO ANOTHER due to differ...
Thermal Expansion <ul><li>RADIATION  - heat energy travels as electromagnetic waves in the same manner and speed as light....
Thermal Expansion <ul><li>CONDUCTION  - heat energy travels when two objects at different temperatures are in direct conta...
Thermal Expansion <ul><li>CONVECTION  - the heat in fluids is transferred to cooler regions by currents. </li></ul>
Specific Heat <ul><li>SPECIFIC HEAT  – the amount of energy required to raise the temperature of one kilogram of a substan...
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Thermal Expansion.

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Transcript of "Thermal Expansion. "

  1. 1. Prepared by: LAURO A. CALIVA THERMAL EXPANSION
  2. 2. Thermal Expansion <ul><li>THERMAL EXPANSION refers to the spreading out of particles in a substance as the thermal energy increases. </li></ul><ul><li>Almost all materials take up more space when heated (expansion) and less a space when cooled (contraction). </li></ul>
  3. 3. Thermal Expansion <ul><li>Some things expand more than others when heated. </li></ul><ul><li>One practical application of thermal expansion is the bimetallic strip in thermostat. </li></ul>
  4. 7. Prepared by: LAURO A. CALIVA HEAT TRANSFER
  5. 8. Thermal Expansion <ul><li>HEAT TRANSFER refers to HEAT FLOW WITHIN AN OBJECT AND FROM ONE OBJECT TO ANOTHER due to differences in temperature. </li></ul><ul><li>Transmission of heat to equalize the temperatures is brought about in three ways. </li></ul>
  6. 9. Thermal Expansion <ul><li>RADIATION - heat energy travels as electromagnetic waves in the same manner and speed as light. </li></ul>
  7. 10. Thermal Expansion <ul><li>CONDUCTION - heat energy travels when two objects at different temperatures are in direct contact with each other. </li></ul>
  8. 11. Thermal Expansion <ul><li>CONVECTION - the heat in fluids is transferred to cooler regions by currents. </li></ul>
  9. 12. Specific Heat <ul><li>SPECIFIC HEAT – the amount of energy required to raise the temperature of one kilogram of a substance by 1 K. </li></ul><ul><li>HEAT CAPACITY – the amount of heat required to raise a substance’s temperature by one degree. </li></ul>
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