1. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
The small-scale heat exchanger geometry with the supporting frame

2. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Schematic of the testing facility with the airflow lines, small-scale exchanger, and the test section

3. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Test section, sliding and supporting plates, and air ducts

4. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Sensible effectiveness versus angle ratio (ψw) for (a) parallel-flow and (b) counterflow heat wheel with the equal supply and exhaust airflow rates

5. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Normalized temperature for a parallel-flow heat wheel with the equal supply and exhaust airflow rate at different angle ratios

6. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Normalized temperature profile (θ) of a parallel-flow heat wheel with the equal supply and exhaust airflow rate for different values of loss weighting factors: (a) γ′ = 0.1 and (b) γ′ = 0.4

7. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
The upper and lower limits for the sensible effectiveness of a counterflow heat wheel with the equal supply and exhaust airflow rate with respect to the wheel time constant for different weighting factors and wheel angle ratio ψw

8. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
The critical ratio of wheel to heat loss/gain time constant (τw/τ′), above which less than 2% uncertainty is expected in the sensible effectiveness

9. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Normalized temperature profile with respect to time obtained through the transient testing of the small-scale heat exchanger at different step change amplitudes (Vf = 0.34 m/s): (a) ΔTst = 4.8 °C, (b) ΔTst = 15.8 °C, (c) ΔTst = 20.1 °C, and (d) ΔTst = 37.5 °C

10. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
The difference in the sensible effectiveness with respect to the wheel angular speed obtained through transient testing of the small-scale heat exchanger (Vf = 0.34 m/s, Redh = 174)

11. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Normalized temperature profile with respect to time for different flow rates obtained through transient testing of the small-scale heat exchanger (ΔTst = 7.0 °C): (a) Redh = 26, (b) Redh = 87, (c) Redh = 261, and (d) Redh = 608

12. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Sensible effectiveness with respect to Reynolds number for different values of wheel angular speeds obtained through transient testing of the small-scale heat exchanger (ΔTst = 7.0 °C): (a) ω  = 1.00 rpm, (b) ω  = 0.50 rpm, (c) ω  = 0.25 rpm, and (d) 0.10 rpm

13. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
Comparison between the sensible effectiveness of a heat wheel calculated from the proposed correlation (obtained by SEM and DEM) and the correlations in literature for (a) Ntu0 = 13.1 and (b) Ntu0 = 2.3

14. Date of download: 10/11/2017
Copyright © ASME. All rights reserved.
From: Effects of Heat Loss/Gain on the Transient Testing of Heat Wheels
J. Thermal Sci. Eng. Appl. 2016;8(3): doi: /
Figure Legend:
The difference between the sensible effectiveness of a heat wheel obtained through literature correlations and the proposed correlation according to (a) SEM (b) DEM