Exergoeconomic analysis of a combined water and power plant 1
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Appendix G
Heat transfer characteristics of tubes
G1.1 GRAPHS OF VARYING HEAT MEDIUM TEMPERATURE
Figure G1. Variation of overall heat transfer coefficient with heat medium temperature
for corrugated tubes with variable corrugation pitch and depth.
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Figure G2. Variation of overall heat transfer coefficient with heat medium temperature
for smooth tubes with insertions.
Figure G3. Variation of water production rate with heat medium temperature for
corrugated tubes with variable corrugation pitch and depth.
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Figure G4. Variation of performance ratio with heat medium temperature for corrugated
tubes with variable corrugation pitch and depth.
Figure G5. Variation of specific heat transfer area with heat medium temperature for
corrugated tubes with variable corrugation pitch and depth.
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G1.2 GRAPHS OF VARYING HEAT FLOW RATE
Figure G6. Variation of overall heat transfer coefficient with heat medium flow rate for
corrugated tubes with variable corrugation pitch and depth.
Figure G7. Variation of overall heat transfer coefficient with heat medium flow rate for
smooth tubes.
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Figure G8. Variation of water production rate with heat medium flow rate for corrugated
tubes with variable corrugation pitch and depth.
Figure G9. Variation of performance ratio with heat medium flow rate for corrugated
tubes with variable corrugation pitch and depth.
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Figure G10. Variation of specific heat transfer area with heat medium flow rate for
corrugated tubes with variable corrugation pitch and depth.
G1.3 GRAPHS OF VARYING FEED TEMPERATURE
Figure G11. Variation of water production rate with feed temperature for corrugated
tubes with variable corrugation pitch and depth.
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Figure G12. Variation of water production rate with feed temperature for smooth tubes.
Figure G13. Variation of overall heat transfer coefficient with feed temperature for
corrugated tubes with variable corrugation pitch and depth.
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Figure G14. Variation of overall heat transfer coefficient with feed temperature for
smooth tubes.
Figure G15. Variation of performance ratio with feed temperature for corrugated tubes
with variable corrugation pitch and depth.
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Figure G16. Variation of performance ratio with feed temperature for smooth tubes with
insertions.
Figure G17. Variation of specific heat transfer area with feed temperature for corrugated
tubes with variable corrugation pitch and depth.
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Figure G18. Variation of specific heat transfer area with feed temperature for smooth
tubes and smooth tubes with insertions.
G1.4 GRAPHS OF VARYING FEED FLOW RATE
Figure G19. Variation of water production rate with feed flow rate for corrugated
tubes with variable corrugation pitch and depth.
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Figure G20. Variation of water production rate with feed flow rate for smooth tubes.
Figure G21. Variation of water production rate with feed flow rate for corrugated
tubes with variable corrugation pitch and depth.
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Figure G22. Variation of overall heat transfer coefficient with feed flow rate for
smooth tubes.
Figure G23. Variation of performance ratio with feed flow rate for corrugated
tubes with
variable corrugation pitch and depth.
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G1.5 GRAPHS OF VARYING CORRUGATION PITCH AND DEPTH
Figure G24. Variation of specific heat transfer area with feed flow rate for
corrugated tubes with variable corrugation pitch and depth.
Figure G25. Variation of water production with feed temperature for corrugated
tubes with variable corrugation pitch.
