...Dylan C. McCord; Elizabeth J. Gager; Kangjae Lee; Anthony H. McDaniel; Juan C. Nino; Jonathan R. Scheffe Synthesis of solar thermochemical hydrogen (STCH) production redox materials with engineered structures, for example, replica foams, can enable efficient heat and mass transport and are critical...

...Sohan Lal Sharma; Ajoy Debbarma The roughness geometry has been introduced to improve the rate of heat transfer in a solar air heater duct. In the current work, circular and triangular shape geometries are used as roughness elements in the rectangular channel to enhance the thermal performance...

...Seyyed Ali Sadat; Nicholas Vandewetering; Joshua Pearce Using bolts through the back of a solar photovoltaic (PV) module frames to attach them to racking is time consuming and awkward, so commercial PV installations use clamping technologies on the front. Conventional and proprietary clamps...

...Rajendra Karwa This paper presents results of thermal performance study of a solar air heater having absorber plate with inclined fins fitted in equilateral triangular flow passages in parallel using the governing equations under transition to turbulent flow and compared the same...

...Faisal Altwijri; S. A. Sherif; Abdulmajeed Alghamdi This article proposes an innovative approach to improve the performance of solar cooling systems by utilizing a cascaded absorption cooling (CAC) system. This article also examines the viability of coupling an NH 3 –H 2 O absorption system...

...Abdulmajeed Alghamdi; S. A. Sherif The cogeneration system described in this paper is constructed based on a solar-assisted double-effect absorption cogeneration cycle with an adjustable cooling-to-power ratio. As a proposed technique to benefit from the ability to adjust the cooling-to-power ratio...

...Tucker Farrell; Yue Cao; Frank Burkholder; Daniel Celvi; Christa Schreiber; Guangdong Zhu The National Renewable Energy Laboratory (NREL) has been conducting exposure experiments on solar reflectors for over four decades. Thousands of mirror samples from over one hundred suppliers have been exposed...

...Fouad Haddad; Peiwen Li The entropy generation minimization principle is used as the criterion to optimize the flow and heat transfer of solar collectors and heat exchangers that use molten salts NaCl–KCl–MgCl 2 and KCl–MgCl 2 . The Gnielinski correlation for the Nusselt number versus Reynolds...

... that a circular mirror is amenable to an inflated polymer construction, makes this configuration promising for low-cost, low-concentration solar thermal applications. Table 1 Catalog of full collection geometric concentration C g limits for different concentrator/receiver geometries...

... for many types of renewable energy generation, including concentrating solar thermal (CST) systems. Simulations of the CST operation may be carried out on an hour-by-hour basis for an entire year, based on realistic weather data such as typical meteorological year (TMY) files for specific locations...

...Anand Kushwah; Anil Kumar; Manoj Kumar Gaur; Amit Pal In this study, experimental works were carried out in three different drying methods named heat exchanger-evacuated tube-assisted drying system (HE-ETADS), greenhouse solar dryer (GHSD), and open sun drying (OSD) to compare thin-layer drying...

.... , and Reddy , B. V. , 2017 , “ Thermodynamic Evaluations of Solar Cooling Cogeneration Cycle Using NaSCN–NH3 Mixture ,” Appl. Sol. Energy , 53 ( 3 ), pp. 267 – 275 . 10.3103/S0003701X17030100 [11] Xu , F. , Goswami , D. Y. , and Bhagwat , S. S. , 2000 , “ A Combined Power/Cooling...

...W. Ross Rucker; Dunbar P. Birnie, III The expected annual energy output of vertical bifacial solar panel arrays was modeled with an eye on how array design attributes affect the output. We considered module height, cell density (single- or double-high racking), inter-row spacing, and inverter...

... temperature for a given climatic data, i.e., solar irradiation and ambient air temperature. Furthermore, the thermal load leveling for the GiPVT system is determined to assess the thermal comfort status within the enclosed space of the system. The results indicate that EAHE successfully reduces greenhouse air...

...Mathiyazhagan Shanmugam; Lakshmi Sirisha Maganti The Compound Parabolic Concentrator (CPC), when coupled with the photovoltaic system, namely the Concentrated Photovoltaic Thermal System (CPVT), makes utilizing solar energy efficient. The major challenge that hinders the electrical and thermal...

... 4 2,605,000 676.66 927.15 0.05799 5 3,064,000 676.33 926.23 0.05832 6 3,760,000 676.42 928.88 0.05803 One common method to evaluate the performance of the PTC is to calculate its thermal efficiency. It shows how much of the incoming concentrated solar radiation has been...

... ,” Surf. Sci. , 606 ( 23–24 ), pp. 1892 – 1898 . 10.1016/j.susc.2012.07.035 [4] Ferry , V. E. , Polman , A. , and Atwater , H. A. , 2011 , “ Modeling Light Trapping in Nanostructured Solar Cells ,” ACS Nano , 5 ( 12 ), pp. 10055 – 10064 . 10.1021/nn203906t [5...

...Harsh Katoch; Sushil Kumar Rathore; Chinmaya Mund Laminar sub-layer formation in a smooth solar air heater (SAH) is one of the reasons for the low heat transfer coefficient. One of the most effective ways to overcome the problem and improve the heat transfer rate inside the SAH is to use artificial...

...Dheeraj Kumar; Apurba Layek An effort is made to study the performance of a solar air heater having the absorber surface roughened by providing staggered, twisted, and V-shaped ribs roughness. The liquid crystal thermography technique is applied to get the Nu distribution over the surface...

...M. Ekoja; S. O. Onyegegbu; O. V. Ekechukwu The theory of a glazed transpired collector solar air heater in natural convection mode has been developed. This was aimed at generating a framework for the experimental study of the performance of the collector. The theory involved the definition of some...