Pasco TD-8564 THERMAL EFFICIENCY APPARATUS Manuel d'utilisateur

Instruction Manual andExperiment Guide forthe PASCO scientificModel TD-8564012-05443A3/94© 1991 PASCO scientific $10.00THERMAL EFFICIENCYAPPARATUSPASC

Thermal Efficiency Apparatus 012-05443A6Power Delivered to the Hot Reservoir (PH)The hot reservoir is maintained at a constant temperatureby running a

012-05443A Thermal Efficiency Apparatus7to the hot reservoir when no load is present. Since, whilethere is no load, the hot reservoir is maintained at

Thermal Efficiency Apparatus 012-05443A8Copy-Ready ExperimentsThe following experiments are written in worksheet form.Feel free to photocopy them for

012-05443A Thermal Efficiency Apparatus9Experiment 1: Heat Engine and Temperature DifferenceEQUIPMENT NEEDED:— Thermal Efficiency Apparatus — DC power

Thermal Efficiency Apparatus 012-05443A10➄ Connect the 2Ω load resistor with a short patch cord as shown in Figure 1.1. Connect a voltmeteracross the

012-05443A Thermal Efficiency Apparatus11Analysis and QuestionsTo compare the actual efficiency to the Carnot efficiency, construct a graph.Plot the C

Thermal Efficiency Apparatus 012-05443A12Notes:

012-05443A Thermal Efficiency Apparatus13Experiment 2: Heat Engine Efficiency (Detailed Study)EQUIPMENT NEEDED:— Thermal Efficiency Apparatus — 1 DC p

Thermal Efficiency Apparatus 012-05443A14Mode TH (kΩ)Tc (kΩ)TH (°C) Tc (°C) VHIHVwVSEngineOpenTable 2.1 DataB. Connect the 2Ω load resistor with a sho

012-05443A Thermal Efficiency Apparatus15Table 2.3 ResultsMaximum(Carnot)➁ Maximum Efficiency: Convert the temperatures to Kelvin and record in Table

Thermal Efficiency Apparatus 012-05443A16The Thermal Efficiency Apparatus is run with a load connected to measure PH (Figure6) and then the load is di

012-05443A Thermal Efficiency Apparatus17Experiment 3: Heat Pump Coefficient of PerformanceEQUIPMENT NEEDED:— Thermal Efficiency Apparatus — 1 DC powe

Thermal Efficiency Apparatus 012-05443A18➁ Plug the 9V transformer into the wall socket and into the pump on the Thermal EfficiencyApparatus. You shou

012-05443A Thermal Efficiency Apparatus19Questions➀ If the difference between the temperature of the hot side and the cold side was decreased,would th

Thermal Efficiency Apparatus 012-05443A20Experiment 4: Thermal ConductivityIntroductionThe rate at which heat is conducted through a material of thick

012-05443A Thermal Efficiency Apparatus21Experiment 5: Load for Optimum PerformanceEQUIPMENT NEEDED:— Thermal Efficiency Apparatus— DCpower supply cap

Thermal Efficiency Apparatus 012-05443A22Procedure➀ Connect a DC power supply and a voltmeter and ammeter to the heater block terminals.Turn on the vo

012-05443A Thermal Efficiency Apparatus23➅ Calculate the power input to the hot side, PH = IHVH, and the power dissipated by the loadresistor, PL=VW2R

Thermal Efficiency Apparatus 012-05443A24Notes:

012-05443A Thermal Efficiency Apparatus25Teacher’s GuideExperiment 1: Heat Engine and Temperature DifferenceNotes on Setup➁ It may be necessary to pri

012-05443A Thermal Efficiency ApparatusiTable of ContentsCopyright, Warranty and Equipment Return...ii

Thermal Efficiency Apparatus 012-05443A26Experiment 2: Heat Engine Efficiency (Detailed Study)Notes on Setup➁ It may be necessary to prime the pump by

012-05443A Thermal Efficiency Apparatus27Experiment 3: Heat Pump Coefficient of PerformanceTypical ResultsNote that values of Ph and r were taken from

Thermal Efficiency Apparatus 012-05443A28Experiment 5: Load for Optimum PerformanceNotes on Sample Data 1.922.12.22.32.400.511.522.533.5% EfficiencyL

012-05443A Thermal Efficiency Apparatus29Contacting Technical SupportBefore you call the PASCO Technical Support staff itwould be helpful to prepare t

Thermal Efficiency Apparatus 012-05443AiiCreditsThis manual authored by: Ann HanksThis manual edited by: Ann Hanks and Eric AyarsTeacher’s Guide writt

012-05443A Thermal Efficiency Apparatus1IntroductionThe Thermal Efficiency Apparatus can be used as aheat engine or a heat pump. When used as a heate

Thermal Efficiency Apparatus 012-05443A2The following sections of this manual are essential tooperate the Thermal Efficiency Apparatus and willgive th

012-05443A Thermal Efficiency Apparatus3TheoryQcQhThTcColdReservoirHotReservoirHeatEngineWFigure 2: Heat EngineHeat EngineIntroductionA heat engine us

Thermal Efficiency Apparatus 012-05443A4PASCOscientificModel TD-8564THERMAL EFFICIENCYAPPARATUSTHERMISTORSELECTPELTIERDEVICEWATERPUMP7.5 - 12 VDC@500m

012-05443A Thermal Efficiency Apparatus5by using the chart located on the front of the ThermalEfficiency Apparatus and in Table 1. Notice that as thet