Low Temperature Thermometry: Interim Report (Classic Reprint)

Idioma: inglés

Editorial: Forgotten Books, 2018

0428103197 / 9780428103194

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Librería: Forgotten Books, London, Reino UnidoForgotten Books

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Descripción del artículo del vendedor

Print on Demand. This book details the continued work to improve acoustical thermometry and explains how inconsistencies in previous measurements led to a redefinition of the NBS P2-20 (1965) scale. The author describes how an examination of the Helmholtz-Kirchhoff equation was made, and the maintenance of the P2-20 (1965) scale is presented. The book also includes a description of a new calibration apparatus that was constructed to accommodate more germanium thermometers, thus reducing the calibration cost per thermometer during a calibration run. Of particular note, in order to obtain values of the speed of sound as a function of pressure, the author determined the wavelength and the frequency. They did this by creating standing waves in a gas by means of an apparatus with a fixed frequency and a variable path. A quartz crystal, operating at its resonant frequency, radiates through helium gas to a reflector surface that is parallel to the quartz crystal; radiation is reflected back through the gas to the quartz crystal. If the spacing between the crystal and the reflecting surface is an integral number of half wavelengths, the helium gas will be in resonance and a peak voltage will be measured across the quartz crystal. The reflecting surface is displaced through detected integral numbers of half wavelengths and its displacement measured. Thus, the wavelength is determined, the frequency of the quartz crystal is measured and, consequently, the speed of sound can be calculated. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.…

N° de ref. del artículo 9780428103194_0

Título
Low Temperature Thermometry: Interim Report (Classic Reprint)
Autor
George Cataland, Harmon H. Plumb
Editorial
Forgotten Books
Año de publicación
2018
Estado
New
Tipo de libro
print-on-demand item
Encuadernación
Paperback
Idioma
inglés
ISBN 10
0428103197
ISBN 13
9780428103194
Catálogos de vendedores
Physics

Forgotten Books

London, Reino Unido

Vendedor de 5 estrellas

Vendedor de IberLibro desde 2 de junio de 2021

Tarifas de envío de Reino Unido a Estados Unidos de America

ArtículoDe 5 a 10 días hábilesDe 5 a 10 días hábiles
Primer artículoEUR 0,00EUR 0,00
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Descripción de la tienda

Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.

Especialidad

Trade

Información empresarial del vendedor

FB &c Ltd

Dalton House, 60 Windsor Avenue
London, Reino Unido SW19 2RR