1. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Proposed integration of LHTES with a dish Stirling system [1] Figure Legend:

2. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 3D unit modules, (a) comprised of one tube associated with a receiver-to-PCM heat pipe and 4 quarter section tubes associated with PCM-to-engine heat pipes, (b) quarter section of the unit module shown in (a) Figure Legend:

3. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 2D unit modules, (a) Configuration 1 and (b) Configuration 2 Figure Legend:

4. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Physical basis of Configuration 2, (a) the actual physical system with PCM domains associated with input and output HPs identified, and (b) PCM domains separated to construct a 2D model on the sectioning plane A-A Figure Legend:

5. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Heat pipe-PCM configuration, (a) the physical model including input and output heat pipes and the PCM, (b) the computational domain and identification of boundary locations (not to scale) Figure Legend:

6. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Average hourly direct normal irradiance data (Aug. 2010 at the El Toro Marine Corps Air Station in California) derived from data provided by NREL [28] Figure Legend:

7. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Evolution of the temperature field throughout the heat pipe assisted-LHTES system with heat pipe spacing of 0.07 m (temperatures are in °C) Figure Legend:

8. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Streamlines within the HPs for the system with HP spacing of 0.07 m at 10 a.m. Figure Legend:

9. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Temporal variations of input solar thermal power to the storage unit and thermal power supplied to the engine by the storage unit, as well as variations of the volume fraction of molt for various heat pipe spacing values Figure Legend:

10. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Variations of vapor temperature of receiver-to-PCM and PCM-to-engine heat pipes versus time for various heat pipe spacing values Figure Legend:

11. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Variations of the exergy efficiency of the storage unit for various HP spacing values versus the time of day from sunrise to 1 a.m. Figure Legend:

12. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Schematic of a section of a heat pipe surrounded by PCM; Computational domain to investigate the heat transfer in a fin-PCM system is enclosed by dashed line Figure Legend:

13. Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Numerical Simulation of Heat Pipe-Assisted Latent Heat Thermal Energy Storage Unit for Dish-Stirling Systems J. Sol. Energy Eng. 2013;136(2):021025-021025-12. doi:10.1115/1.4025973 Stored thermal energy in the PCM layer and two neighboring half fins obtained with and without considering conjugate and natural convection effects Figure Legend: