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Chapter-05 Heat

BOOK TITLE: Bio-medical Physics for Nurses

Author
1. Thayalan K
ISBN
9788180619908
DOI
10.5005/jp/books/10101_5
Edition
1/e
Publishing Year
2007
Pages
19
Author Affiliations
1. Barnard Institute of Radiology and Oncology, Madras Medical College, Chennai, India, Barnard Institute of Radiology and Oncology, Government General Hospital and Madras Mecidal College, Chennai, India, Barnard Institute of Radiology and oncology, Madras Medical College, Chennai, Dr. Kamakshi Memorial Hospital, Chennai, Tamil Nadu, India
Chapter keywords

Abstract

The first part of the chapter explains about Properties of thermal radiation, Prevost’s theory, Heat transfer, Physical effects of heat on matter (Expansion, acceleration of chemical action, thermionic emission). The second part explains about Temperature and measurements, Scales of temperature (centigrade scale, absolute scale, and Fahrenheit scale), types of thermometer (Mercury thermometer, Clinical thermometer, Thermister, Thermocouple). The last part explains about Relative humidity, Specific heat, thermal capacity, Change of state, Regulation of body temperature, Physiological effect of heat (Metabolism, Blood flow, Indirect effects), Methods of heating the tissues (infrared radiation, Microwave diathermy, Paraffin wax, short wave diathermy) and Application in nursing.

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