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Performance evaluation of forced convection desiccant bed solar dryer integrated with sensible heat storage material

[Pramod V. WalkePranav C. PhadkeKishor S. Rambhad] Volume 5: Issue 2, June 2018, pp 24-35 

DOI: 10.26706/IJAEFEA.2.5.20180501


Abstract This paper reports a new type of forced convection indirect type solar dryer setup fabricated in Nagpur, India and its performance was studied. The main objective of the present study was to incorporate new drying technology and develop a solar dryer that could function effectively for few more extra hours even after the sunset. Thus a forced convection indirect type solar dryer integrated with heat storage material (Gravel) & desiccant beds (Silica Gel) was developed.

In forced convection solar dryer with heat storage material, the grapes were dried from an initial moisture content of 80% to the final moisture content of 20%  in about 78 hours, while it took only about 57 hours in the forced convection solar dryer with heat storage and desiccant beds to reach the required moisture content. Due to the use of heat storage material, the temperatures inside the solar dryer remains 3-5°C higher than the ambient temperature even during off sunshine hours. Also, the heat storage regulates the temperature of the collector outlet during uneven climatic conditions. The maximum temperature attainedby air inside the dryer cabinet was 78°C. The desiccant beds can be regenerated in about 5 hours during a normal day and removes the moisture from the products even during the night. The air flow rate in both the cases was maintained at 0.026 kg/s. The quality of the grapes obtained from the solar dryer was excellent with proper coloring and taste as compared to those dried directly under the sun.

Index Terms— Desiccant bed, forced circulation, indirect type, heat storage material, solar dryers, silica gel


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[2] Atul Sharma, C. R. Chen, Nguyen Vu Lan, 2009, “Solar-energy drying systems: A review.” Renewable and Sustainable Energy Reviews, 13: 1185-1210.

[3]  A. Fudholi, K. Sopian, M. H. Ruslan, M. A. Alghoul, M.Y. Sulaiman, 2010, “Review of solar dryers for agricultural and marine products.” Renewable and Sustainable Energy Reviews. 14: 1-30.

[4] Ashish D. Chaudhari, and Sanjay P. Salve, 2014, "A Review of Solar Dryer Technologies." International Journal of Research in Advent Technology 22: 218-232.

[5] Gutti Babagana, Kiman Silas and B. G. Mustafa, 2012, “Design and Construction of Forced/Natural Convection Solar Vegetable Dryer with Heat Storage.” ARPN Journal of Engineering and Applied Sciences 7(10): 105-112.

[6] Lalit M. Bal, Santosh Satya, S.N. Naik, Venkatesh Meda, 2011, “Review of solar dryers with latent heat storage systems for agricultural products. Renewable and Sustainable Energy Reviews,” 15: 876-880.

[7] M. Mohanraj, P. Chandrasekar, 2009, “Performance of a forced convection solar drier integrated with gravel as heat storage material for chili drying, Journal of Engineering Science and Technology,” 4(3): 305-314.

[8] Hodali, Riyad, and Jacques Bougard, 2001, "Integration of a desiccant unit in crops solar drying installation: optimization by numerical simulation." Energy conversion and management 42(13): 1543-1558.

[9] V. Shanmugam, E. Natarajan, 2006, "Experimental investigation of forced convection and desiccant integrated solar dryer." Renewable Energy 31(8): 1239-1251.

[10] V. Shanmugam, and E. Natarajan, 2007, "Experimental study of regenerative desiccant integrated solar dryer with and without reflective mirror." Applied Thermal Engineering 27(8): 1543-1551.

[11] Wisut Chramsa-arda, Sirinuch Jindaruksab, Chatchai Sirisumpunwonga, Sorawit Sonsaree, 2013, “Performance evaluation of the desiccant bed solar dryer.” Energy Procedia. 34: 189-197.

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[13] A.A. El-Sebaii , S. Aboul-Enein, M.R.I. Ramadan, E. El-Bialy, 2007,  “Year round performance of double pass solar air heater with packed bed”, Energy Conversion and Management 48: 990–1003.

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A Review on Productivity and Quality Improvement through Optimization of Input Parameters in the Indian Rolling Mills

[Amit Bankar, Hemant Bansod, Vijay Kalbande, Pankaj Jaiswal] Volume 5: Issue 1, March 2018, pp 18-23

DOI: 10.26706/IJAEFEA.1.5.20180302
Abstract - India has risen as the fourth biggest steel delivering country on the planet, according to the current figures discharge by World Steel Relationship in April 2011. The Indian steel industry represented around 5% of the world's aggregate generation in 2010. Steel re-rolling is a standout amongst the most essential portions of the steel business, as it constitutes an unavoidable connection in the aggregate inventory network of iron and steel. The auxiliary steel creation constitutes around 57% of the aggregate steel generation in India. It essentially happens in steel re-moving factories (SRRM) that as a rule are family-run little and medium undertakings (SMEs) with 75% of units in the little scale. The steel business in India is one where supervisors appear to firmly have confidence in the customary method for working together, which could bring protection against any new quality change device like lean and six-sigma. This paper manages the investigation of the Indian moving plant and the impact of the different information parameters on the profitability and quality. 

Index terms – Productivity and quality improvement, Indian rolling mills, optimization of the input parameters.

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[4] Li Chen, Xianpeng Wang, and Lixin Tang, “Operation Optimization in the Hot-Rolling Production Process”, American Chemical Society, 2014.

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[9] Jan van den Akker, Rajesh Kumar Singh, “Energy Efficiency in Steel Re-Rolling Mills”, Government of India United Nations Development Programme Global Environment Facility, 2007.

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Design and Analysis of All Terrain Vehicle for Agricultural Transportation

[Ashwin A. Kamble, Amar M. Borawake, Yogesh S. Khandebharad, Bhavesh R. Bhagat, Pratik P. Vaidya] Volume 5: Issue 1, March 2018, pp 13-17

DOI: 10.26706/IJAEFEA.1.5.20180305

Abstract - The objective is to design an ATV to work in Agriculture farm. It has to ensure that the vehicle spastics the limits of set rules. This vehicle must be capable of negotiate with confidence and ease. The vehicle is divided into its major component and subsystems. The major focus is towards explaining the procedure and methodology used for designing key components of off road vehicle.

Index terms – ATV, agriculture, suspension system
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[5] Lee, D. C., Choi, H. S., Han, C. S., “Design of Automotive Body Structure Using Multicriteria Optimization”, Journal of Structural and Multidisciplinary Optimization, Vol. 32, 2006, pp. 161-167.

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