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TEMPERATURE Sumber Gambar : site: gurumuda.files.wordpress.com Sumber Gambar Fisika SMK Teknologi, Direektorat SMK.

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Presentation on theme: "TEMPERATURE Sumber Gambar : site: gurumuda.files.wordpress.com Sumber Gambar Fisika SMK Teknologi, Direektorat SMK."— Presentation transcript:

1 TEMPERATURE Sumber Gambar : site: gurumuda.files.wordpress.com Sumber Gambar Fisika SMK Teknologi, Direektorat SMK

2 Adaptif TEMPERATURE MEASUREMENT page: 2 temperature Thermometer To measure the temperature of a body or system quantitatively Made based on the properties of a substance T(x) = ax+b T = temperature x = thermometric property a,b = constanta that depend on the substances used

3 Adaptif Thermometric properties Page: 3 thermometric properties temperature change thermometric substances TT Change of length (L), Change of area surface (A) Change of volume (V) Electric resistance(R) Gas pressure at constant volume (P) Gas volume at constant pressure(V) Luminous intensity (I) (thermometric property)

4 Adaptif TEMPERATURE MEASUREMENT Thermometer Thermometric Properties Range of measurement ( o C) MercuryLiquid substance volume-39 - 500 Constant volume gas Gas pressure at constant volume -270 - 1500 Platinum resistance Electric resistance-200 - 1200 ThermocoupleElectromotive force-250 - 1500 PyrometerLuminous intensityMore than 1000 page: 4 temperature The kinds of thermometer

5 Adaptif Thermometer figure page: 5 thermometer Mercury Thermometer Sumber : http://themoderatevoice.com Sumber http://www.thebranfordgroup.com

6 Adaptif THERMOMETER CALIBRATION page: 6 calibration Determine the lower fixed point (Tb) Determine the upper fixed point (Ta) Divided between Ta and Tb Fix the scale (extend the lower/higher scale) Fix the scale (extend the lower/higher scale) Freezing point at 1 atm Freezing point at 1 atm Boiling point at 1 atm Every part = themperature per unit

7 Adaptif Thermometer Scale The kinds of thermometer scale are Celcius(C), Reamur(R), Fahrenheit(F), Kelvin(K) dan Rankine(Rn) page: 7 thermometer scale Ta Tb

8 Adaptif Thermometer Scale  The relation of Celcius scale with Fahrenheit scale page 8 hermometer scale  The relation of Reamur scale with Fahrenheit scale T C = temperature in Celcius scale T F = temperature in Fahrenheit scale T R = temperature in Reamur scale

9 Adaptif Thermometer Scale  The relation of Fahrenheit scale with Kelvin scale page: 9 temperature TThe relation of Celcius scale with Kelvin scale T K = temperature in Kelvin scale T K = temperature in Kelvin scale

10 Adaptif Body Expansion  Solid Expansion page: 10 body expansion Length expansion Area expansion Volume expansion Solid expansion

11 Adaptif Body Expansion 1) Length expansion page: 11 length expansion = length increment (m) = initial length (m) = final length (m) = temperature increase ( o C atau K) = coefficient of length expansion ( o C -1 atau K -1 )

12 Adaptif Body Expansion 1) Length expansion page: 12 length expansion

13 Adaptif Body Expansion 2) Area expansion page: 13 area expansion = initial area (m 2 ) = wide increment (m 2 ) = final area (m 2 ) = temperature increase ( o C or K) = coeffisien of area expansion ( o C -1 or K -1 )

14 Adaptif Body Expansion 2) Area expansion page: 14 area expansion

15 Adaptif Body Expansion 3) Volume expansion page: 15 volume expansion = Initial Volume (m 3 ) = Volume increment (m 3 ) = Final Volume (m 3 ) = temperature increase ( o C atau K) = Coeffisien of volume expansion ( o C -1 atau K -1 )

16 Adaptif Body Expansion 3) Volume expansion page: 16 volume expansion

17 Adaptif Body Expansion  Liquid expansion page: 17 liquid expansion Liquids only experience volume expansion Source: http://forum.detik.com/showthread.php?p=6902243

18 Adaptif Body Expansion  Gas expansion page: 18 gas expansion Pemuaian Gas Hukum Gay- Lussac Hukum Boyle P = pressure V = volume T = temperature (ºK ) P = pressure V = volume T = temperature (ºK )

19 Adaptif Body Expansion  Gas expansion page: 19 gas expansion Based on Boyle’s Law & Gay-Lussac’s Law Based on Boyle’s Law & Gay-Lussac’s Law Gas expansion Constant pressure Constant volume = Coeffisien of gas expansion ( o C -1 or K -1 ) = initial pressure (N/m) = final pressure (N/m)


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