Template:Gen-eyring acceleration factor: Difference between revisions

Latest revision as of 00:36, 17 August 2012

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-===Acceleration Factor===
+#REDIRECT [[Eyring_Relationship#Generalized_Eyring_Relationship]]
-<br>
-Most models in actual use do not include any interaction terms, therefore, the acceleration factor can be computed by multiplying the acceleration factors obtained by changing each factor while keeping the other factors constant. In the case of the generalized Eyring relationship, the acceleration factor is derived differently.
-<br>
-The acceleration factor for the generalized Eyring relationship is given by:
-<br>
-::<math>\begin{align}
-  & {{A}_{F}}= & \frac{{{L}_{USE}}}{{{L}_{Accelerated}}}=\frac{\tfrac{1}{{{V}_{U}}}{{e}^{A+\tfrac{B}{{{V}_{U}}}+C{{U}_{U}}+D\tfrac{{{U}_{U}}}{{{V}_{U}}}}}}{\tfrac{1}{{{T}_{A}}}{{e}^{A+\tfrac{B}{{{V}_{A}}}+C{{U}_{A}}+D\tfrac{{{U}_{A}}}{{{V}_{A}}}}}} \\
- & = & \frac{\tfrac{1}{{{V}_{U}}}{{e}^{A+\tfrac{B}{{{V}_{U}}}+C{{U}_{U}}+D\tfrac{{{U}_{U}}}{{{V}_{U}}}}}}{\tfrac{1}{{{V}_{A}}}{{e}^{A+\tfrac{B}{{{V}_{A}}}+C{{U}_{A}}+D\tfrac{{{U}_{A}}}{{{V}_{A}}}}}}
-\end{align}</math>
-<br>
-where:
-<br>
-•	 <math>{{L}_{USE}}</math>  is the life at use stress level.
-•	 <math>{{L}_{Accelerated}}</math>  is the life at the accelerated stress level.
-•	 <math>{{V}_{u}}</math>  is the use temperature level.
-•	 <math>{{V}_{A}}</math>  is the accelerated temperature level.
-•	 <math>{{U}_{A}}</math>  is the accelerated non-thermal level.
-•	 <math>{{U}_{u}}</math>  is the use non-thermal level.
-<br>