Appendix B

B.1 OPTIMAL DIMENSIONLESS PARAMETERS FOR TEGS WITH ZT∞2 = 1 (SEE FIGURE B.1 AT THE END OF TABLES)

Dimensionless thermal conductance: upper N Subscript k Baseline equals StartFraction n left-parenthesis italic upper A k slash upper L right-parenthesis Over eta 2 h 2 upper A 2 EndFraction

Dimensionless convection: upper N Subscript h Baseline equals StartFraction eta 1 h 1 upper A 1 Over eta 2 h 2 upper A 2 EndFraction

Dimensionless electrical resistance: upper R Subscript r Baseline equals StartFraction upper R Subscript upper L Baseline Over upper R EndFraction

Dimensionless temperatures: upper T 1 Superscript asterisk Baseline equals StartFraction upper T 1 Over upper T Subscript infinity 2 Baseline EndFraction, upper T 2 Superscript asterisk Baseline equals StartFraction upper T 2 Over upper T Subscript infinity 2 Baseline EndFraction, and upper T Subscript infinity Superscript asterisk Baseline equals StartFraction upper T Subscript infinity 1 Baseline Over upper T Subscript infinity 2 Baseline EndFraction

Dimensionless rates of heat transfer: upper Q 1 Superscript asterisk Baseline equals StartFraction upper Q 1 Over eta 2 h 2 upper A 2 upper T Subscript infinity 2 Baseline EndFraction

Dimensionless power output: upper W Subscript n Superscript asterisk Baseline equals StartFraction upper W Subscript n Baseline Over eta 2 h 2 upper A 2 upper T Subscript infinity 2 Baseline EndFraction

Thermal efficiency: eta Subscript italic t h Baseline equals StartFraction upper W Subscript n Superscript asterisk Baseline Over upper Q 1 Superscript asterisk Baseline EndFraction

Dimensionless current: NI = αIL/Ak

Dimensionless voltage: NV = V/nαT∞2

B.2 OPTIMAL DIMENSIONLESS PARAMETERS FOR TECS WITH ZT∞2 = 1 (SEE FIGURE B.2 AT THE END OF TABLES)

Dimensionless thermal conductance:

Dimensionless convection:

Dimensionless electrical current: ...

Get Thermal Design, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial