... and with reflector respectively. The results show that using a reflector it increases the air heater's outlet temperature by 10-12%, and using a coated surface increases the temperature by another 8–10%. The average thermal and exergy efficiency of an air heater was found to be 70.2 and 4.4 %, respectively...

... that the generator PV can accurately forecast the MPP, as well as the efficacy of the suggested MPPT technique. The provided approach’s effectiveness has been validated by a comprehensive comparison with different methods, resulting in the greatest efficiency of 99.88% for BSSTAC. Table 2 Comparison of the five...

... current, pump flowrate, and pump efficiency. The paper’s novelty lies behind the relatively low-cost real-time execution of PI/FOPI-based MPPT techniques on SPPS. This work was simulated using matlab / simulink in conjunction with Arduino-based RT-HIL and the experimental validation was implemented...

... number of N (= n × m) collectors for maximum overall exergy depending on thermal and electrical energy which has not been considered yet so far. Further, a new expression has also been developed for the heat removal factor and instantaneous thermal efficiency of n th flexible PVT-TEC collector...

...-to-electric conversion efficiencies [ 1 , 2 ]. The falling particle receiver (FPR) at Sandia National Laboratories is a prime example of the capabilities of this technology [ 8 , 9 ]. However, during the on-sun operation of the FPR, particle egress through the front aperture has been observed, forming...

... ngineering : I ncluding W ind E nergy and B uilding E nergy C onservation . 11 11 2022 26 12 2022 29 12 2022 27 01 2023 solar water heating system flat-shaped heat pipe innovative heat transfer device analytical solution collector efficiency energy thermal power...

... the performance of SAH. By creating different types of roughness elements (artificial) for the absorber plate, the efficiency of SAH can be augmented. In addition, the SAH efficiency can be improved by adopting different methods such as an increase in the surface area, varying apex angles of the duct, rounding...

... ncluding W ind E nergy and B uilding E nergy C onservation . 01 02 2022 07 04 2022 11 04 2022 17 01 2023 efficiency energy heat transfer solar receiver U.S. Department of Energy 10.13039/100000015 33869 The interest in solid particle receivers...

... with the Reynolds number for both the base and the optimum rib designs at Tin = 400 K Fig. 15 Effect of different rib parameters on the thermal efficiency of the PTC at T in = 400 K and Re d = 20,000 Effect of different rib parameters on the thermal efficiency of the PTC at Tin = 400 K and Red...

... 2022 11 11 2022 efficiency energy materials optics photovoltaics radiation solar Directorate for Engineering 10.13039/100000084 CBET-2103008 Optical characterization and design of subwavelength objects are challenging problems due to the complexity...

... solar collector modeling and simulation optical performance genetic algorithm particle swarm optimization African vultures optimization algorithm clean energy efficiency renewable 1.1 Motivation. Energy production and management have been among the most widely debated topics in recent...

... collectors in series, respectively. The maximum energy for the single collector is 4.12 kW and 4 kW, while for two collectors connected in series, the maximum energy is 7.08 kW and 6.69 kW. Average thermal efficiency is 4.45% and 4.51% and average exergy efficiency is 9.66% and 15.17% for single and series...

... phase change material (PCM) passive strategy thermal comfort predicted mean vote (PMV) predicted percentage of dissatisfied (PPD) building conservation cooling efficiency energy simulation Department of Science and Technology, Ministry of Science and Technology 10.13039/501100001409...

...Rayappa David Amar Raj; Kanasottu Anil Naik This paper presents a highly efficient image encryption-based Arnold's cat map (ACM) technique to reconfigure the photovoltaic (PV) array to enhance the output and mitigate the mismatch losses due to partial shading (PS). The proposed ACM technique...

...Amit Kumar; Ajeet Pratap Singh; Akshayveer; O. P. Singh The increasing future energy demands can be met with solar-based devices such as solar air heaters (SAHs) only if the efficiency of these devices is enhanced with suitable design changes. Flow channel design of a SAH is an essential aspect...

...Tingfang Yu; Yuxi Song Supercritical carbon dioxide (SCO 2 ) Brayton cycle has been proved to be an efficient power cycle to replace the traditional steam Rankine cycle. The thermal efficiency of SCO 2 cycle can be further improved by coupling another type of cycle (the bottom cycle) at the waste...

...Rajvikram Madurai Elavarasan; Preeti Singh; S. Leoponraj; Sourav Khanna; Mohanraj Chandran Maintaining the temperature of the photovoltaic (PV) panel within the described standard helps in achieving higher power conversion efficiency. To regulate the PV temperature, phase change material (PCM...

...Akarsh Aurora Concentrated solar-thermal power towers are increasingly migrating toward sand-based particle receiver designs to improve thermal efficiency and reach temperatures above 1000 °C for air Brayton power cycles and supercritical CO 2 power cycles. However, utilizing sand affords...

... domestic electric and hot water loads. Optimal operations of such a system are achieved based on a simplified mathematical model. Results showed that the average thermal and electric energy efficiency is about 39.65% and 11.38%, respectively. Results revealed that the increase in solar radiation results...

...M. A. García-Rincón; J. J. Flores-Prieto; O. Montoya-Márquez This work presents a sensitivity analysis of the overall heat loss coefficient U L and the thermal efficiency η in low and medium temperature encapsulated flat plate solar collectors when controlling the output-input temperature...