Principles and Methods of Temperature Measurement: Quick Book (Paperback)

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Description


Temperature is a principle parameter that needs to be monitored and controlled in most engineering applications such as heating, cooling, drying and storage. Temperature can be measured via a diverse array of sensors. All of them infer temperature by sensing some change in a physical characteristic be it a thermal expansion, thermoelectricity, electrical resistance or thermal radiation. There are four basic types of temperature measuring devices, each working on a different principle: 1.Mechanical (liquid-in-glass thermometers, bimetallic strips, bulb & capillary, pressure type etc.) 2.Thermocouples 3.Thermo-resistive (RTDs and thermistors) 4.Radiative (infrared and optical pyrometers) Each of these will be discussed in this 2 hours learning module. The course is written in user friendly language and the theoretical equations are kept minimum. The basic aspects are discussed wherever deemed fit. This course is aimed at electrical, instrumentation & control engineers, energy auditors, O & M professionals, contractors, estimators, facility managers and general audience. This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials. Learning Objective Upon completing the course, you will: -Learn various types of temperature sensors; -Understand the principle of operation of thermocouples (Peltier effect, Thompson effect and Seebeck effect); -Describe the basic construction of a thermocouple including materials used; -Understand the three laws of thermocouples (law of intermediate metals, law of intermediate temperatures and law of additive voltages); -Describe the difference between grounded, ungrounded and exposed junctions; -Describe the basic principle and construction of RTD's and Thermistors; -Understand the difference between the two main types of thermistors i.e. positive; temperature coefficient (PTC) and negative temperature coefficient (NTC); -Explain how RTD resistance varies for increase and decrease of temperatures using bridge circuits; -Describe the basic principles of radiative temperature measurement including infrared and optical pyrometers.
Product Details
ISBN: 9781502848635
ISBN-10: 1502848635
Publisher: Createspace Independent Publishing Platform
Publication Date: October 17th, 2014
Pages: 80
Language: English