1 / 24

Development of Characteristic Equation for Thermometer

shel
Download Presentation

Development of Characteristic Equation for Thermometer

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. Development of Characteristic Equation for Thermometer P M V Subbarao Professor Mechanical Engineering Department

    2. Common Thermometers

    3. Development of Characteristic Equation for a Thermometer

    4. Thermal Resistance of Thermometer Bulb

    7. Thermal Resistance of Thermometer Bulb

    10. Step Response of Thermometers : First Order Model

    15. Response of Thermometers: Periodic Loading If the input is a sine-wave, the output response is quite different; but again, it will be found that there is a general solution for all situations of this kind.

    19. Temperature: Standards & Insturuments P M V Subbarao Professor Mechanical Engineering Department

    20. International Practice The thermodynamic scale of temperature (or the absolute scale) was derived from the second law of thermodynamics. This scale is independent of any thermometric substance. The unit for the absolute scale is K - Kelvin, named after Lord Kelvin (William Thomson). 1K= 1/273.16 th of the temperature at the triple point of water. For practical purposes an International Practical Temperature Scale, IPTS-68 (adopted in 1968) has been used for 22 years. This scale was based on a number of fixed and easily reproducible points. Definite numerical values of temperature were assigned to these points. For interpolation purposes between the fixed points, specified formulas relating temperature to the readings on certain temperature-measuring instruments were used.

    23. Accuracy Realization of Temperature Scale

More Related