Download presentation
Presentation is loading. Please wait.
Published byBruce Lester Modified over 6 years ago
1
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: Typical plot of hot-wire temperature rise versus the log of time
2
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: Schematic of hot-wire (Pt wire) embedded in the material
3
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: Aerogel sample with hot-wire embedded
4
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: Because the copper wire (254 μm diameter) is an order of magnitude larger than the platinum wire (25 μm) and because the hot-wire test is so short, we assume that the copper wire does not change temperature and is effectively a heat sink
5
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: Schematic of a fin used to model the hot-wire and correction for end effects
6
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: Predicted temperature distribution along the length of the hot-wire due to end effects for silica aerogel with a platinum wire at time is 0.5 s and 1.0 s
7
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: Experimental results for a test between 0.5 s and 1.0 s showing the end effect correction and the linear fit to the test results
8
Date of download: 12/25/2017 Copyright © ASME. All rights reserved. From: Analysis of the Transient Hot-Wire Method to Measure Thermal Conductivity of Silica Aerogel: Influence of Wire Length, and Radiation Properties J. Heat Transfer. 2014;136(4): doi: / Figure Legend: NIST SRM 1459 experiment and corrected thermal conductivity
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.