Hakan 206 Exp 5 - Assistant: Aydn RUEN MET-E 206 MATERIALS...

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Assistant: Aydın RUŞEN MET-E 206 MATERIALS LABORATORY TEMPERATURE MEASUREMENT EXPERIMENT Hakan Aktulga 1393875 Group 2
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OBJECTIVE: To conduct temperature measurement tests in order to demonstrate the use of thermocouples for high temperature measurements. APPARATUS: 1) Vertical tube 2) Thermocouple calibration cell 3) Thermocouples 4) Potentiometer 5) Mercury in glass thermometer SAMPLE: Tin (Sn) was used but its exact composition is not known THEORY: In engineering applications and modern experimental studies temperature measurement is an important topic because in many cases accuracy of these temperature measurements determine the total error of the experiments.Most of the time we look for the way to measure temperature that yields: Accuracy and speed of response required by the application Acceptable initial investment
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Low maintenence cost Long life and stability of calibration All methods of temperature measurement can be divided into two groups: 1)Indirect methods(contactless) for instance optical methods.(I mainly talk about it in the questions part). 2)Direct methods (contact methods).Here are some possibilities for this method: Thermometers.It can be alcohol(-40 ° C,+80 ° C) or mercury(-5 ° C,+350 ° C) Resistance wire termometers Temperature sensors Thermocouples In our experiment we mainly deal with thermocouples so we have to define it.A thermocouple is a system composed of two homogenous metal wires dissimilar in chemical composition that are soldered ,fused or welded together at one
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Hakan 206 Exp 5 - Assistant: Aydn RUEN MET-E 206 MATERIALS...

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