Solar Power Thermal Storage System Using PCM Materials

Abstract

The amount of energy consumed increases every year with the growth in newlinethe domains of the various industries. The burden of this demand falls on the newlineenvironment and it should be reduced. A report of energy consumption of India newlinestated that about 115.5 billion India rupees spent on consumption of electrical newlinepower. The Indian authorities recommended the Prathama Green Yochana newlineScheme for reducing green house gases. Various energy conservation newlinestrategies are implemented by the various industries in order to cut down the newlineprices and abide by the actions suggested by the Government. newlineFresh water is very important for the entire human in this fast growing newlineworld, but unfortunately the availability good water is very limited. As well as newlinein some of the areas the population density is very high, so providing of fresh newlinewater is tedious task in all over the world. Almost all the courtiers facing this newlineissue and they are providing the freshwater by sea water desalination plants. newlineThere are several methods are followed for desalination; among that solar newlineenergy based desalination plants are economical and feasible. In this method, newlinethe solar energy is conserved as well as it is utilized well for a useful purpose. newlineThis makes many researchers to focus on the development of solar energy newlinebased desalination system in recent years. Even though the waste heat is newlineutilized for desalination system, the effectiveness of the adoptive system had newlinenot attained the maximum percent. newlineIn this research work, solar energy is utilized as an energy resource and newlinedesalinates the sea water in to fresh drinking water. Along with that the effect newlineof PCM in the latent heat storage system has to be studied under different newlineatmospheric conditions and the system will be optimized. The main of the newlinevii newlinecurrent research is to obtain an optimal desalination system with the SCADA newlinesolar cell system with irrespective of season. newlineThe SCADA-Solar Cell Based Desalination System (SSCBDS) is newlinedesigned and fabricated with the support of Solar Desalination system newlinefabrication industry. The main theme of the proposed system is focusing on the newlinecounter flow in HP-Solar flat plate and flow through the two separate hot and newlinecold air ducts. The current experimental study investigates the thermal newlineperformance of SSCBDS with Energy Storage Material (ESM). From the light newlineof the literature, the three types of Phase Change Materials (PCM) are selected newlinefor the SSCBDS. The basic and thermal properties of the selected PCM newline(Paraffin Wax (PW), Honey Brown Wax (HBW), and Micro-Crystalline Wax newline(MCW)) are studied. newlineFor systematically stabilize the SSCBDS, the preliminary study is newlinecarried on climatic condition, PCM and design parameter. According to this newlinestudy, the most influencing factors on SSCBDS are solar flux, PCM, heat newlinesource/inlet temperature and air feed rate. The ranges of the influencing newlineparameters are estimated for the statistical analysis. The factors are selected newlinefrom the preliminary study for the summer and winter analysis. According to newlinethe preliminary study, the performance of the SSCBDS during night is newlineinsignificant. Therefore, the range of factors is considered only during daylight. newlineDuring summer, the optimal response Water Production Rate (WPR) newlineabout 0.4718 Kg/m2h is identified for the PW with solar flux of 614 W/m2 and newline0.02 l/s air feed rate at 40 °C of inlet temperature. During winter, the optimal newlineresponse WPR about 0.2881 Kg/m2h is identified for the PW with solar flux of newline211 W/m2 and 0.02 l/s air feed rate at 30.8 °C of inlet temperature. newlineviii newlineThe experimental validation is not feasible for the obtained optimal newlineresults of SSCBDS during summer and winter. Therefore, the numerical newlineanalysis for SSCBDS during summer and winter is carried out using CFD newlineanalysis and validated using CFX Fluent. The water production rate increases newlinewith increase in solar flux at any condition (summer and winter) of SSCDBS newlinewith PW. The same result has been inferred from the previous study. The water newlineproduction rate is also influenced by air feed rate after 0.02 l/s. From this, the newlinebetter performing PCM is identified as PW for both summer and winter newlinesessions. The purity of the water produced from SSCDBS is analyzed as per newline Drinking Water Specifications (IS 10,500:1991) . newlineAs an outcome of the current research, a SSCBDS is developed for newlineproducing fresh drinking water with high production rate and it is optimized newlineaccording to the climate and energy conversation aspects. newline