Academic literature on the topic 'Agricultural products dryer'

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Journal articles on the topic "Agricultural products dryer"

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Balasuadhakar, Arumugam. "Natural Convection Solar Dryers for Agricultural Products — A Comprehensive Exploration." Indian Journal of Science and Technology 14, no. 13 (2021): 1021–27. http://dx.doi.org/10.17485/ijst/v14i13.126.

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Objectives: To make review on passive solar dryers and its performance of drying agricultural products. Methods: This article focuses on the development in various categories of passive solar dryers in last six years. The different studies carried out in direct, indirect and mixed mode types of passive dryers for drying agricultural products in the year of 2014 to 2020 have been considered this review. Investigations on forced convection solar dryers have not been included in the current paper. The various experimental setups of solar dryers, specimens used for experimentation, measured output
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GONELI, ANDRÉ L. D., ELTON A. S. MARTINS, RODRIGO A. JORDAN, LUCIANO O. GEISENHOFF, and RENATO T. GARCIA. "Experimental dryer design for agricultural products." Engenharia Agrícola 36, no. 5 (2016): 938–50. http://dx.doi.org/10.1590/1809-4430-eng.agric.v36n5p938-950/2016.

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Srisittipokakun, Nattapon, and Keerati Kirdsiri. "Experimental Performance of a Mix Mode Solar Dryer for Drying Centella Asiatica." Advanced Materials Research 770 (September 2013): 80–83. http://dx.doi.org/10.4028/www.scientific.net/amr.770.80.

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This paper describes a mixed mode natural convection of solar dryer. The dryer was designed for small-scale commercial producers of agricultural products in non-electrified locations. The products to be dried are placed in multi layer on a wire mesh in the drying tunnel to receive energy from both hot air supplied from the collector and incident solar radiation on products. Temperatures in the drying chamber varied from 28.0° C to 55.0° C depend on the weather conditions. To investigate its performance, the dryer was used to dry 30 kg of Centella asiatica in December 2012. The dryer could be u
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Ali, Mahmoud M. A., and Moheb M. A. El-Sharabasy. "MANUFACTURE A SOLAR DRYER FOR DRYING SOME AGRICULTURAL PRODUCTS." Misr Journal of Agricultural Engineering 29, no. 4 (2012): 1295–314. http://dx.doi.org/10.21608/mjae.2012.101188.

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Aguera, Angeles Lopez, Jasurjon S. Akhatov, Iago Rodriguez Cabo, Daniel Rey Rey, E. Virites Montes, and Vicente Gandara. "PERFORMANCE STUDY OF SOLAR DRYER FOR AGRICULTURAL AND MARINE PRODUCTS." Environmental Engineering and Management Journal 10, no. 8 (2011): 1011–13. http://dx.doi.org/10.30638/eemj.2011.146.

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Abdul Razak, Amir, M. A. S. M. Tarminzi, M. A. A. Azmi, Y. H. Ming, MRM Akramin, and NM Mokhtar. "Recent advances in solar drying system: A Review." International Journal of Engineering Technology and Sciences 8, no. 1 (2021): 1–13. http://dx.doi.org/10.15282/ijets.8.1.2021.1001.

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Research on solar dryer technology proliferates since it reduces the drying period while keeping nutritional values in the agricultural products. This paper presented a review of recent advances in the solar drying system. This review is composed of working principles and classifications of solar dryers. They were classified into two main elements: airflow modes, either passive or active, and the way heat is transferred: direct, indirect, mixed-mode, and hybrid. The hybrid system used several types of elements to supply additional heat in the drying system, as elaborated in this paper, such as
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Srisittipokakun, Nattapon, and Keerati Kirdsiri. "Drying Pineapple Using a Mix Mode Solar Dryer." Advanced Materials Research 979 (June 2014): 11–15. http://dx.doi.org/10.4028/www.scientific.net/amr.979.11.

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Pineapple was dried using a mix mode solar dryer developed in the Faculty of Science and Technology, Nakhon Pathom Rajabhat University, Nakhon Pathom, Thailand. The dryer was designed for small-scale commercial producers of agricultural products in non-electrified locations. The products to be dried are placed in multilayer on a wire mesh in the drying tunnel to receive energy from both hot air supplied from the collector and incident solar radiation on products. It is constructed in local materials then tested experimentally in food stuffs drying pineapple. With this dryer, 40 kg of pineapple
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Babić, Mirko, and Ljiljana Babić. "Advantages and disadvantages of direct and indirect drying of mercantile grain and seeds." Journal on Processing and Energy in Agriculture 24, no. 2 (2020): 81–84. http://dx.doi.org/10.5937/jpea24-29698.

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The question again arises as to how to dry certain types of agricultural grain products and seeds. Should it be indirect or direct? The reason for this is the occasional fires that occur in dryers. It is often and unprofessionally stated that the cause of the fires is the use of a direct dryer. However, the causes of fires are multiple, and it is seldom due to the type of dryer. Two factors determine the differences between direct and indirect drying, and these are the nutritional and safety aspects. The ambition of this study is to clarify all the important differences between direct and indi
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Kumar, Baibhaw, L. Gábor Szepesi, and Zoltán Szamosi. "Design and development of natural convective solar dryer." Multidiszciplináris tudományok 11, no. 4 (2021): 144–50. http://dx.doi.org/10.35925/j.multi.2021.4.18.

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Solar drying has emerged as a potential drying solution for agricultural products in many developing nations. The drying behavior of the product to be dried depends on many parameters of the dryer. A box-type natural convective solar dryer was developed to analyze the drying performance of Wood chips. Experiments revealed promising drying results with drying efficiency. The design of the dryer could further be enhanced by hybridization with an external heat source.
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Saadeh, Walaa. "Green Drying of Tomato Slices by Modified Indirect Air Solar Heater." issue 3 3, no. 3 (2020): 73–80. http://dx.doi.org/10.48103/jjeci392020.

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This work aims to utilize the enormous solar energy potential in Jordan in drying agricultural products (Tomato). This study presents a proposed model of the indirect solar dryer with an innovative design by adding mirrors, a nozzle, and a fan to improve the tomato slices' drying process. The effect of these modifications has been investigated. Interestingly, the solar system design reduced the moisture content in these agricultural products to increase shelf life and improve its quality. Moreover, it can be concluded that the addition of nozzles and mirrors improves the solar dryer performanc
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Dissertations / Theses on the topic "Agricultural products dryer"

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Badenhorst, Reginald Ivor. "Computational Fluid Dynamics analysis of flow patterns in a thermal tray dryer." Diss., University of Pretoria, 2010. http://hdl.handle.net/2263/27534.

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Industrial tray air-dryers are increasingly used for the drying of agricultural products. The main drawback of these dryers is the non-uniform velocity distribution in the drying zone resulting in a non-uniform drying of the product. Computational Fluid Dynamics (CFD) software was implemented to predict and decrease the non-uniform velocity distribution of various dryer configurations. Tunnel dryers in commercial use were used to obtain experimental data. The CFD results were correlated with the test data. Trolley and tray tunnel dryers provide a relatively simple, low capital intensive and ve
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Basso, Diego Morello. "Simulação do sistema de aquecimento de ar de um secador solar híbrido de produtos agroalimentícios usando o TRNSYS." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/163743.

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O presente trabalho tem por objetivo principal apresentar a avaliação térmica, energética e financeira para um sistema de aquecimento de ar de um secador solar híbrido de produtos agroalimentícios, o qual utiliza como fonte de energia a energia solar e uma fonte de energia auxiliar. Dois tipos de fonte de energia auxiliar são utilizados, uma fonte utiliza biomassa como combustível e a outra utiliza energia elétrica. O sistema é composto por um coletor solar térmico, tipo placa plana de exposição indireta, uma fonte de energia auxiliar. O software TRNSYS é utilizado como ferramenta para executa
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Silveira, Luciano Roberto da. "Sistema de aquisição de dados utilizando telemetria: aplicação em secador solar de produtos agrícolas." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11131/tde-07022012-145453/.

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A secagem para conservação de produtos agrícolas e alimentícios e feita geralmente com emprego de eletricidade ou combustível fóssil, que incrementa o custo do produto final. Dessa forma, faz-se necessário o desenvolvimento de sistemas que utilizam energia renovável, como a solar, de modo a reduzir custos sem prejuízo na qualidade do produto. Assim, um secador solar de convecção natural misto foi projetado e construído, bem como um sistema de aquisição de dados (SAD) utilizando telemetria, para monitorar temperatura e umidade relativa, ambas do ar, no interior do secador. Para o projeto do sec
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Books on the topic "Agricultural products dryer"

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The World Market for Dryers for Agricultural Products: A 2004 Global Trade Perspective. Icon Group International, Inc., 2005.

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Parker, Philip M. The World Market for Dryers for Agricultural Products: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.

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Book chapters on the topic "Agricultural products dryer"

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Nukulwar, Masnaji R., and Vinod B. Tungikar. "Design and Development of Steam-Based Solar Dryer for Agricultural Products." In Proceedings of International Conference in Mechanical and Energy Technology. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2647-3_33.

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Mirzaii, Hossein, and Juan Pablo Nojek Barbieri. "Feasibility Study into Design, Development and Testing of an Indirect Multi-Rack Solar Dryer for Agricultural Products." In Renewable Energy and Sustainable Buildings. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18488-9_32.

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Babalis, Stamatios, Elias Papanikolaou, and Vasilios Belessiotis. "Investigation of the Solar Energy Utilization for Meeting Part of the Thermal Demands of Agricultural-Product Mechanical Dryers." In Proceedings of ISES World Congress 2007 (Vol. I – Vol. V). Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75997-3_403.

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Zongnan, Li, Liu Senyuan, Huang Futai, and Li Mingru. "AN INTEGRATED SOLAR DRYER FOR DRYING OF AGRICULTURAL BY-PRODUCTS." In Intersol Eighty Five. Elsevier, 1986. http://dx.doi.org/10.1016/b978-0-08-033177-5.50211-8.

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Hasnain Tariq, Ghulam, Muhammad Ashraf, and Umar Sohaib Hasnain. "Solar Technology in Agriculture." In Technology in Agriculture [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98266.

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Promotion of sustainable agriculture is one of the most priority development goal set by United Nations for achieving the food security to meet the ever-increasing global population food demand. Because of extreme importance of agriculture sector, significant technological developments have been made that played pivotal role for sustainable agriculture by value addition in agricultural products and meeting energy demands for machinery and irrigation. These developments include improved cultivation practices, processing units for agricultural products and operation of machinery and irrigation systems based on solar energy. Moreover, the emergence of new technologies and climate smart solutions with reduced carbon footprints have significantly addressed the ever-increasing fuel costs and changing climate needs. PV based solar irrigation pumps and agricultural machinery is typical example of this. Because, awareness of these technological development is essential to overcome energy issues, availability of energy to perform agricultural activities for sustainable agriculture at farm level and socioeconomic uplift of farming community to meet food requirements needs in the future. Therefore, this chapter attempts at providing the introduction of technologies for direct and indirect use of solar energy in the agriculture sector. The typical examples of direct use of solar energy like greenhouses or tunnel farming for cultivation of crops and vegetables and use of solar dryers for drying agricultural products have been comprehensively discussed. Similarly, the solar powered tubewells, tractors, and lights, etc. are few important examples of indirect use of solar energy and have also been discussed in this chapter. The indirect use is made possible by converting solar energy into electrical energy with the help of photovoltaic devices, called “solar cells”. Also radio frequency (RF)-controlled seed sowing and spreading machines are discussed, which provide an eco-friendly method. Moreover, comprehensive discussion is made on solar based technologies in general as well regional context in view of their potential to scale-up and to address anticipated issues. The use of photovoltaics in agriculture is expected to be significant contribution in the near future that require urgent planning for the potential benefits and efficient use at the farm level. Therefore, the co-existence of “agrovoltaics” will be essential for the developments of agriculture and agroindustry.
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Headley, Oliver St C., and William Hinds. "Medium Scale Solar Crop Dryers For Agricultural Products." In 1999 ISES Solar World Congress. Elsevier, 2000. http://dx.doi.org/10.1016/b978-008043895-5/50200-9.

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Yousaf, Khurram, Kunjie Chen, and Muhammad Azam Khan. "An Introduction of Biomimetic System and Heat Pump Technology in Food Drying Industry." In Biomimetics [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.93386.

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Drying of food products is a relatively complex, nonlinear, and dynamic process due to simultaneous heat and mass transfer, rapid moisture evaporation, and biological and chemical reactions. Therefore, the monitoring of food quality during the drying process using bio-inspired technologies can play a vital role. The demand for high-quality dried food products and the rapid growth of energy in food processing are attracting new and renewable sources of energy. Energy efficiency, improved food product quality, and less environmental impact are always the main priorities of any drying system development. In-depth knowledge of biomimetic systems and drying kinetics would be helpful to design new dryers and technologies. Due to the excellent features (controllable drying temperature, drying time, drying air velocity, and relative humidity), heat pump drying systems have been used widely to ensure food and agricultural product quality. This chapter helps to understand the relationship between bio-inspired technologies and the role of heat pump technology in the food drying industry in terms of cost-effectiveness, energy saving, and better food product quality.
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Ahmed, Ahsan U., and Anwar Iqbal. "Agricultural Drought in Bangladesh." In Monitoring and Predicting Agricultural Drought. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195162349.003.0035.

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Bangladesh is globally known as a flood-vulnerable country—an almost flat land with too much water. In terms of annual per capita availability of water resources, it ranks among the highest in the world. But a lesserknown disaster that affects a significant proportion of its fertile land is drought. The occurrence of droughts may largely be attributed to two recent phenomena: (1) an extensive adoption of high yielding varieties (HYV) of paddy (i.e., rice) in the drier months; and (2) constraints faced in water availability during premonsoon months due to upstream water withdrawal from river systems. Up to 15% of the total cultivable land (about 0.9 million ha) now experiences droughts of moderate to very severe intensity, once in every two years (Iqbal and Ali, 2001). This chapter examines the causes of droughts in the context of the country’s complex water regime, the implications of droughts, and the ways to monitor them. About 80% of annual monsoon rainfall over the country occurs during the period from June to the first week of October. The western zones of the country receive less rainfall, averaging about 1400 mm, compared to the national average of 2150 mm, and therefore the susceptibility to droughts in the western zones of the country is higher. Table 24.1 provides a chronological overview of areas and populations in Bangladesh affected by droughts during the 1950–79 period. The economy of Bangladesh significantly depends on agriculture. More than 63% of 130 million people, confined within a territory of 147,750 km2, find employment in agriculture (MOF, 2003). Although the share of the crop production in the gross domestic product (GDP) has been declining steadily in recent times, dropping from 24.66% in 1990–91 to 18.58% in 2002–03, it still is the predominant economic activity of the majority of the people (Ahmad and Ahmed, 2002). More than 80% of the households in rural Bangladesh are directly dependent on the production of various crops. Paddy (rice) is the main crop, occupying about 80% of the cultivated land. Multiple varieties of paddy are grown in the country.
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Collier, Paul. "Natural Liabilities." In The Plundered Planet. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195395259.003.0015.

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Factories produce the goods that we want. They also spew out smoke. The smoky factory is, in fact, the classic image used by economists to illustrate the idea of an externality. The factory sells the goods but does not have to pay for the smoke. We now know that smoke is more damaging than previously appreciated. There is nothing more natural than carbon dioxide; it is one of the basic ingredients of life. Yet carbon has become a natural liability. It accumulates up in the atmosphere, trapping in heat. Of course carbon only becomes a problem when it passes the threshold at which it is excessive. We have passed that threshold. As the extra carbon traps in heat, the world heats up, and as it heats up the climate becomes more volatile. The consequences are wide-ranging, but Africa will be the region most severely affected. Africa is huge and climate change will not affect it uniformly, but it seems likely that the drier parts will become drier still, making staple foods unviable. Increased climate variation, which means droughts, floods, and bouts of intense heat, can wreak havoc with traditional cultivation. Agriculture, which is currently Africa’s main economic activity, will become less productive. A rapidly growing population will be scratching a living from a progressively less amenable natural environment. Carbon brings together the key themes of this book. Although it is natural, extra carbon is now a liability; there is nothing intrinsically benign about nature. It is emitted not just by industry but by a number of natural processes. For example, probably the most natural of all human economic activities is rearing cattle. Pastoralists have been ranging the wilderness for millennia. Unfortunately, in terms of global warming, they are more of a menace than nuclear power stations, which produce energy without emitting carbon. That is because cows fart. Being renewable, carbon shares much of the economics of fish and trees, except that instead of being a renewable natural asset it is a renewable natural liability. The damage it does depends not upon how much is emitted today, but on how much has been emitted cumulatively over recent decades.
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Conference papers on the topic "Agricultural products dryer"

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Gupta, Vishal, Abhishek Sharma, and Khushboo Sabharwal Gupta. "Numerical Analysis of Direct Type Greenhouse Dryer." In ASME 2017 Gas Turbine India Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gtindia2017-4784.

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For food preservation, drying techniques is most widely used. Earlier drying was done openly in sun. But now with increased awareness, drying of agricultural produce is done with care. Greenhouse dryers are being mostly used. Good greenhouse dryers are considered one which can dry products in short span of time. For obtaining good quantity of dried products, the design of greenhouse dryer should be such that the air circulation is good and high temperature can be achieved near the crops. In present work, Computational Fluid Dynamics (CFD) approach has been used to visualize the air flow patter
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Whaley, Michael, and F. Poandl. "Dryer performance – Reducing energy consumption, improving the product and sharing information." In 21st International Drying Symposium. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.8360.

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The evaporation of water is a major energy consumer around the world where the evaporation of water from agricultural products, natural resources, processed foods and feeds, and petrochemical products is required for long term storage, subsequent processing or other desired attributes. The control of product attributes associated with drying can also be challenging in terms of measurement and modelling which may lead to inefficiencies in the operation of a dryer. This discussion below will address solutions to improve the thermal efficiency of dryers and to control the critical properties of t
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"Development Of Conventional Solar Dryer For Drying Agricultural Products In The Region Rondonópolis." In 2016 ASABE International Meeting. American Society of Agricultural and Biological Engineers, 2016. http://dx.doi.org/10.13031/aim.20162460743.

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Lugo, Ana M., Cinthia Audivet Durán, and Marco E. Sanjuán. "Tuning and Implementation of a Feedback Control Strategy for Drying Process Based on IAE Minimization." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67291.

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Agricultural products contain a significant amount of moisture during the harvesting stage. The presence of this moisture increases the deterioration rate of the products during storage, handling, and processing periods; drying is one of the most suitable processes that can be applied to these by-products before using them as cattle feed or soil conditioner. This process is certainly one of the most energy consuming found in industry. The selection of an appropriate process control strategies can minimize production and maintenance cost, maximize product quality and reduce environmental pollut
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Xie, Yingbai, Leina Song, and Chuntao Liu. "Analysis of a Solar Assisted Heat Pump Dryer With a Storage Tank." In ASME 2006 International Solar Energy Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/isec2006-99056.

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In north china, agriculture products may be harvested above safe storage moistures to prevent excessive field losses. A solar-assisted heat pump drying system (SAHP) with an energy storage tank has been proposed to meet the demand in this field. The drying system is designed in such a way that some of the components can be isolated depending on the weather conditions and usage pattern. The performance of the whole system has been modeled and investigated under a typical summer day of the city Baoding, China. Results show that the coefficient of performance (COP) of the SAHP drying system is 5.
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Pati, J. R., Pinakeswar Mahanta, and J. De Wilde. "COMPARATIVE DRYING CHARACTERISTICS OF AGRICULTURAL PRODUCT IN BUBBLING FLUIDIZED BED (BFB) AND ROTATING FLUIDIZED BED IN A STATIC GEOMETRY (RFB-SG) DRYER." In Proceedings of the 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017). Begellhouse, 2018. http://dx.doi.org/10.1615/ihmtc-2017.390.

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