Pasco TD-8513 Heat Conduction Apparatus Uživatelský manuál

®Heat Conduction ApparatusTD-8513Instruction Manual012-09189A

®Heat Conduction Apparatus Experiment #2: Angstrom’s Method10According to Angstrom’s methodwhere n is the harmonic, ω is the driving frequency, and ∆x

®Model No. TD-8513 Experiment #2: Angstrom’s Method11A. AluminumSet-up1. In DataStudio set the sampling rate of the Temperature Array to 2 Hz. Create

®Heat Conduction Apparatus Experiment #2: Angstrom’s Method122. Repeat the calculations for the data runs taken with 40-second and 50-second tri-angle

®Model No. TD-8513 Sample Data13Sample DataExperiment #1: Heat ConductionA. Heat Conduction RaceTemperatures measured by the “far” ther-mistors show

®Heat Conduction Apparatus Sample Data14For these sample data, the heat flow rates are:The wide brass bar has a higher heat flow rate than the narrow

®Model No. TD-8513 Sample Data15C. Heat WavesIn this graph the far thermistor lags the near thermistor by 11.1 s. The wave speed is 30 mm/11.1 s = 2.

®Heat Conduction Apparatus Sample Data16Narrow brass bar:C. Stainless SteelPeriod (s)AcAf∆tk (W/m·K) Average k (W/m·K)500.578 0.142 10.2 1031020.599 0

®Model No. TD-8513 Technical Support17Technical SupportFor assistance with any PASCO product, contact PASCO at:Limited WarrantyFor a description of t

Heat Conduction Apparatus Table of ContentsContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Heat Conduction ApparatusTD-8513®3IntroductionThe PASCO Heat Conduction Apparatus demonstrates the difference in the rate of heat conduction through b

®Heat Conduction Apparatus Connections4The Heat/Cool switch changes the polarity of the voltage applied to the Peltier device so that the lower surfac

®Model No. TD-8513 Experiment #1: Heat Conduction5Experiment #1: Heat ConductionSet-up1. On the power supply, turn the Function switch to SET MAX and

®Heat Conduction Apparatus Experiment #1: Heat Conduction6Procedure1. Set the power supply to 5 V (constant DC) and simultaneously start recording in

®Model No. TD-8513 Experiment #1: Heat Conduction7B. Heat PulseSet-up1. Set the switch to HEAT and place the insulators over the bars. 2. In DataStud

®Heat Conduction Apparatus Experiment #1: Heat Conduction8Set-up1. Set the switch to COOL.2. Place the insulators on the bars.3. Set the power supply

®Model No. TD-8513 Experiment #2: Angstrom’s Method9Experiment #2: Angstrom’s MethodSet up1. On the power supply, turn the Function switch to SET MAX