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Performance analysis of flat plate hybrid PV/T solar water collector system

Solar Photovoltaic module converts the light component of solar radiation into electrical output measured in watts and heat part is absorbed by module increasing its operating temperature which reduces the electrical efficiency of the module by 10 to 35%. Hence by using the external cooling system, the module temperature can be reduced to improve electrical power efficiency. This cooling system is called a photovoltaic heat exchanger. The cooling system fitted to the backside of the PV module produces thermal power(in terms of hot water), can be used for low-temperature applications. Combined PV module and heat exchanger generating both electrical and thermal power are called as hybrid Photovoltaic/Thermal (PV/T) solar system. Performance of a direct flow heat exchanger and its effect on the hybrid PV/T system is studied in the current paper. The experimental analysis and results like performance efficiencies of Photovoltaic, thermal and PV/T system at different loading conditions were discussed and evaluated for the latitude of Kalyan, Mumbai. The results at solar radiation of 6.52 kWh/m2/day and water mass flow rate of 0.04 kg/sec through heat exchanger showed improvement in combined PV/T efficiency of 73.7% with PV efficiency of 12.7% and performance ratio of 70.5%.

Published by: Snehal Prabhakar Sonawane, H. B. Chaudhari

Author: Snehal Prabhakar Sonawane

Paper ID: V5I3-1902

Paper Status: published

Published: June 17, 2019

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Research Paper

Green concrete with high-volume fly ash and slag with recycled aggregate and recycled water to build future sustainable cities

Building sustainable green cities for the future can be difficult or highly challenging as such cities need to reduce their environmental footprint through eco-friendly materials, resource and energy conservation, as well as renewable energy generation. This paper proposes three new types of sustainable concretes in an attempt to further reduce the carbon footprint. In Type I, a total of 4 concrete mixes were made with a high volume GGBFS with 60, 70, 80, and 90% replacement of ordinary portland cement (OPC),100% recycled water (RW), and 100% recycled aggregate (RA). The same replacement ratios were used in Type II but with only 100% RA. In Type III, a total of four concrete mixes made with a high volume fly ash (FA) cement with 40, 50, 60, and 70% replacement of OPC. The paper provides information on the mix design, full justification of CO2 footprint, and the cost for each concrete mix. The hardened and plastic properties and durability test parameters for each mix are presented. The results showed that the fly ash and slag significantly reduced the carbon footprint and meet the requirements of future sustainable cities. An economical mix with 90% GGBFS and 10% OPC was nominated for use in the future construction of sustainable cities with 125 kg=m3 emissions.

Published by: M. Mothilal, K. Mounika

Author: M. Mothilal

Paper ID: V5I3-1881

Paper Status: published

Published: June 17, 2019

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Research Paper

In vitro micropropagation of Cheilanthes farinosa (Forssk.) Kaulf. Pteridaceae

Cheilanthes farinosa is a pteridophytic plant belongs to the family Pteridaceae is a rare plant of rhizome up to 1 cm. in diam. Sori minute, 1 mm. in diam, closely set along the margins of the pinna segments. The plant roots are used to treat eczema and stomachache; fronds are used to treat menstrual disorders. Rhizomes and roots are used to treat gout, rheumatism and used as general tonics. It is used in the treatment of inflammatory, skin disorders and rheumatism etc., So the Cheilanthes farinosa plant was chosen for conservation through micropropagation. The sporangia are used as explant. MS medium with 3.5mgL-1 of BAP and GA3 shows the high growth rate and 2.4mgL-1 of IBA and KIN shows the slow growth rate. After 1 month of inoculation, the gametophytic body was developed. And it was subculture to MS medium containing various concentrations of BAP and GA3.

Published by: Kavitha R., Prabakaran R.

Author: Kavitha R.

Paper ID: V5I3-1869

Paper Status: published

Published: June 17, 2019

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Research Paper

Analysis and optimization of Ti (Grade-5) on µ-EDM by using Taguchi Methods

During the last decennium, there has been perpetuating authoritative ordinance of compact, integrated and diminutive size product by a nontraditional process for precise and cost efficacious quantification of material properties. These are needed for machining for implements and product design, the development of micro-size components, the growing desiderata for microfeature generation. Micromanufacturing process has different materials capability and machining performance designation. Machining performance designation of concern includes minimum feature size, tolerance, surface finish and MRR and application of advanced, which is very arduous to machine materials. They have made the micro EDM a paramount manufacturing process to meet these authoritative ordinances. Micro EDM technology has been widely utilized in engenderment, aerospace, aircraft, medical and virtually all areas of conductive material machining. Ti (Grade 5) is ever engendered in manufacturing industries. It is capable to withstand in very high temperature and the excellent resistance in mechanical and chemical debilitate. The Ti (Grade 5) aluminum predicated superalloys are having high vigor thermal conflict with very hard material characteristics it is withal very good corrosion resistance in many conditions of engineering application. Due to very tough in nature and the machinability has been studied by many researchers on these materials and been carried out for the last few years. This objective of this project is to investigate the performance of Micro EDM machining on Ti materials.

Published by: Aditi Tiwari, Manoj Patel

Author: Aditi Tiwari

Paper ID: V5I3-1895

Paper Status: published

Published: June 15, 2019

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Research Paper

Solar powered seed sowing machine and spray pump

The seed sowing machine is the main equipment of the agriculture field. It is used for seed sowing and plantation. Population increasing rapidly day by day, therefore, it is necessary to meet the food demands hence it has to be developed seed sowing machine. Traditional method consumes more power as well as time with less efficiency. Labor availability becomes a major problem for farmers. This machine requires less man power as well as overall cost. So it is important to develop more efficient methods. Application of Non-conventional energy is the only another option to fulfill demands. In this paper, the development of solar-powered seed sowing machine is mentioned.

Published by: Pramod B. Magade, Abhijeet G Kulkarni, Akshay Bhoi, Nilesh Waykar, Dnyaneshwar Karad

Author: Pramod B. Magade

Paper ID: V5I3-1885

Paper Status: published

Published: June 15, 2019

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Research Paper

A Descriptive study to assess the knowledge regarding Reverse Osmosis waste water utilization among general public of Indore District

A method of extracting essentially pure, fresh water from polluted or salt water by forcing the water under pressure against a semipermeable membrane, which passes the pure water molecules and filters out salts and other dissolved impurities. all reverse osmosis units produce waste water. the waste water ratio to filtered water ratio can be changed, but not eliminated. Wastewater is any water that has been affected by human use. Households may produce waste water from flush toilets, sinks, dishwashers, washing machines, bath tubs, and showers. The study aims to assess the knowledge regarding Reverse Osmosis wastewater utilization among the general public of Indore District. Material and methods A quantitative research approach, the descriptive research design was adopted for the study. Total 30 general public selected by using Non randomized purposive sampling technique was used. Data were analyzed using descriptive and inferential statistics. Major findings of the study it is found that among the general public are 3.3% of the general public having is adequate knowledge and 13.33% is inadequate knowledge and 83.33% is moderate knowledge. Statistical analysis showed that the mean value of reverse osmosis waste water utilization is 7.7. A significant difference was found at the score. (p>0.05 Thus the study revealed that there is a significant association with the selected socio-demographic variables regarding knowledge of reverse osmosis waste water utilization among the general public. so it conculated that alternative hypothesis H01 was accepted and null hypothesis H0 was rejected. Hence the research hypothesis HA1 is accepted there is significant Association between the knowledge scores regarding reverse osmosis waste water utilization and socio demographic variables of general public.

Published by: Seema Chourasia, Suneetha V., Amita Paul

Author: Seema Chourasia

Paper ID: V5I3-1871

Paper Status: published

Published: June 15, 2019

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