...Mohd Asjad Siddiqui This study offers a comprehensive assessment of the thermodynamic performance of a novel solar-based multigeneration system, which caters to the energy needs of a sustainable community by producing electricity, cooling, heating, and freshwater. The solar-based multigeneration...

...Mehrdad Khamooshi; Timothy Anderson; Roy Nates The layout of multiple natural draft dry cooling towers could have a significant influence on the performance of the cooling system in concentrated solar power (CSP) plants; however, this has never been quantified. Hence, this work used computational...

...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 This paper presents an investigation of the performance indices employed in combined or multigeneration thermal systems. Specifically, the following thermal systems will be considered: (1) combined cooling and power (CCP) systems; (2) combined heating and power...

...Abdulmajeed Alghamdi; S. A. Sherif In this work, a novel solar double-effect absorption combined cooling and power (DECCP) system with an adjustable cooling-to-power ratio is proposed. This cogeneration system uses water–LiBr as the working fluid. The novel cycle upon which this system is based has...

... problems related to thermal cycling and performance degradation of the modules. In this paper, a novel cooling system for solar photovoltaics, using the underground as a heat sink, is proposed, theoretically described and experimentally validated. A prototype of the technology (including a single-axis sun...

... of ambient conditions on the thermal comfort and the building energy requirements for composite climatic zone in India. In order to address this problem, this study was conducted to evaluate and analyze the impacts of four different passive design strategies, i.e., insulation, cool roof, phase change...

...)-based cooling techniques have been proposed in several literature. However, most of the studies utilize organic PCMs whose low thermal conductivity confines their potential. Thus, in the proposed work, the rear side of the 20 Wp PV panel is coated with hydrated salt-based PCM and is integrated...

...Hassan Salem; Ehab Mina; Raouf Abdelmessih; Tarek Mekhail The cooling fluid is a key factor in cooling photovoltaic (PV) panels especially in the case of concentrated irradiance. Maintaining the panel at low temperature increases its efficiency. This article investigates the usage of water-Al 2 O 3...

... to the formulation of the thermodynamic model for the heliostat-based central receiver which drives the proposed trigeneration system can be found in Refs. [ 11 , 35 ]. Ejector has been considered as the component of prime importance in the proposed solar-driven cooling-power cogeneration where the entrainment...

... is defined by two mathematical parameters. First, the asymptotic temperature difference, which is a ratio of solar and internal heat gains to envelope losses and ventilation cooling, also incorporates control functions for solar heating and ventilation cooling. Second, the building time constant is the ratio...

... solar collector cooling heat transfer photovoltaics/thermal system solar energy A photovoltaic/thermal (PV/T) hybrid solar system consists of a photovoltaic (PV) system which is used for transforming the illumination of sunshine into electrical energy due to the photovoltaic effect...

... buildings. The use of a photovoltaic air conditioning unit (PVACU) represents an attractive application to this demand for reasons such as environmental concerns and the match between diurnal cooling load and solar resource. A PVACU consists of a photovoltaic generator (PVG) that supply an ACS through...

... 02 2020 13 02 2020 11 03 2020 artificial roughness heat transfer solar air heater roughness height temperature thermal efficiency absorber clean energy collector cooling drying efficiency energy environment fluid flow fuel heating mass transfer materials...

... during colder temperatures, while electrical consumption, used for cooling, increases with warmer temperatures. Weather trends also determine appropriate amounts and duration of lighting consumed during building and work operations. Because of occupancy variability, several different design energy...

.... 2217 – 2223 . 10.1016/j.vaccine.2016.08.045 [7] World Map of Global Horizontal Irradiation, SolarGIS 2013 . [8] Sarbu , I. , and Sebarchievici , C. , 2013 , “ Review of Solar Refrigeration and Cooling Systems ,” Energy Build. , 67 , pp. 286 – 297 . 10.1016/j.enbuild...

.... The maximum electrical efficiency obtained for photovoltaic system was 2.5% higher than those without cooling systems and the COP of the heat pump system was determined to be 4.75 at its maximum. The maximum exergetic efficiency of the combined system was calculated to be 55.5% at 6 m/s of refrigerant...

... interest because it affects the welfare of large populations, is the source of significant energy consumption, and has outsize importance in the construction and regulatory sectors. Energy regulation in Mexico focuses on reducing the energy needed to cool buildings down, neglecting the importance...

...Nasrin Abdollahi; Masoud Rahimi This paper presents an experimental investigation on a hybrid solar system, including a water-based photovoltaic (PV) solar module and a phase change material (PCM)-based cooling tower, for cooling of the module. Elimination of heat from the PV module was performed...

... 2019 thermal energy storage thermal comfort phase change material passive cooling energy savings in building air conditioning building cooling simulation storage The energy requirement for residential buildings is about 40% of the global energy requirement. The thermal comfort...