🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS ISO 21901:2021

BS ISO 21901:2021

$142.49

Thermal insulation. Test method for thermal diffusivity. Periodic heat method

Published By Publication Date Number of Pages
BSI 2021 24
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

This document specifies a periodic heat method for measurement of the thermal diffusivity of thermal insulation material in the shape of a flat plate.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Symbols
9 5 Principle
5.1 General
5.2 Calculation of thermal diffusivity
12 6 Test specimen
6.1 Sample
6.2 Details of test specimen
13 6.3 Machining of test specimen
6.3.1 When using two test specimens
6.3.2 When using a single test specimen
14 7 Apparatus
7.1 General
15 7.2 Temperature measurement instrument
8 Procedure
8.1 Rounding numbers
8.2 Period of temperature change
16 8.3 Amplitude of temperature change
8.4 Measurement method
17 8.5 Calculation of thermal diffusivity
8.6 Calculation of thermal conductivity
9 Test report
18 Annex A (normative) Size of test specimen and period of temperature change
21 Annex B (informative) Measurement considerations
22 Bibliography

Related products

BS ISO 21901:2021
$142.49