Laser flash LFA477
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Laser flash LFA477 Meng Pei LU
description
Laser flash LFA477. Meng P ei LU. Figure of merit. generator. Electricity. Heat. refrigerator. Seebeck coefficient. Electrical resistivity. Thermal conductivity. Hall ; four point probe. LFA + DSC + Archimedes. LFA447. κ = D × Cp × ρ d. Method. Heating by laser pulse - PowerPoint PPT Presentation
Transcript of Laser flash LFA477
Laser flashLFA477
Meng Pei LU
Figure of merit
Heat
Electricitygenerator
refrigerator
Seebeck coefficient
Electrical resistivity Thermal conductivity
LFA + DSC + ArchimedesHall ; four point probe
LFA447
κ=D × Cp × ρd
MethodHeating by laser pulse
Measure temperature versus time by IR detector
Thermal conductivity
T/Tmax = 0.5 = 1.37 * a p2 t 0.5 /L2
Sample preparation攜帶物品1.手套2.鎳子3.碳膠 (噴膠 )4.擦拭紙5.試片6.(方載台 , 螺絲起子 )7.(隨身碟 , 筆記本 , 筆 )
行前準備1.量厚度2.噴雙面碳膠3.確認有液態氮
Let’s get to work !
