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22 results for “drying air temperature”
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Research ArticleOpen accessEvery word in the titleHigh Temperature Convective Drying of a Packed Bed with Humid Air at Different HumiditiesJ. Sghaier, S. Messai, D. Lecomte, A. BelghithProblem statement: Drying a packed bed of porous particle at high temperature with varying humidity of hot air is an attractive process. Many researches on experimental and simulation on a fixed bed drying at low and average temperature are proposed. Few studies showed drying at high temperature with humid air or using superheated steam. The latest is compared to dry … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 1 · 31 Mar 2009 · 8,023 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Tomato Geometries and Air Temperature on the Drying Behavior of Plum TomatoM.S. Brooks, N.H. Abou El-Hana, A.E. GhalyThe drying behavior of plum tomatoes as affected by drying temperature and tomato pieces geometry was investigated. The tomato was cut into halves, quarters and eighths and dried at temperatures of 55 and 65°C. During drying, the moisture content followed an exponential decay curve with R2>0.98. The time required to achieve the critical moisture content for storage (15%) for the … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 7,104 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Drying Kinetics of Chilies using a Rotating Fluidized Bed TechniqueWatcharin Dongbang, Worachest Pirompugd, Kittichai TriratanasirichaiProblem statements: The present study investigates experimentally the drying of chilies (Capsicum annuum L.) with rotating fluidized bed technique and the biological properties: capsaicin content, moisture diffusivity and activation energy. Approach: The drying experiment was conducted at the drying air temperatures ranged 70-120°C and the drying air velocity was fixed at 1.8 m sec-1, while the layer's height was fixed … …American Journal of Applied Sciences, Vol. 7, Issue 12 · 31 Dec 2010 · 7,425 accessesView PDFCite
Research ArticleOpen accessIn the keywordsStudy of the Drying Kinetics of Lemon GrassMustafa Ibrahim, K. Sopian, W. R.W. DaudProblem statement: The thin- layer drying experiments were conducted to examine the effect of drying air temperature and humidity on the drying kinetics. Approach: A model to estimate the drying behavior of Lemon grass was developed). Results: Four different thin-layer drying models were compared with respect to their coefficient of determination (R2), Mean Bias Error (MBE) and Root Mean Square … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 7,432 accessesView PDFCite
Research NotesOpen accessIn the abstractThermal Drying Methods on Coal Liquefaction ConversionMehran HeydariThe sample coal used in this work was lignite containing 25% of moisture and 19% of ash from Canada. Drying of lignite coal had considerable influence on the coal liquefaction conversion. Vacuum dried and nitrogen dried samples provided higher conversion than air dried samples. The air drying showed nearly lower conversion, which probably as a result of oxidation. Air Drying … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 1 · 12 Mar 2019 · 7,868 accessesView PDFCite
Research ArticleOpen accessIn the abstractExperimental Comparisons of Anchovy Drying using Centrifugal and Gravitational Fluidized Bed TechniquesWatcharin Dongbang, Rungtawan WiwattanasirikulThe present study investigated experimental comparisons of anchovy drying using centrifugal and gravitational fluidized bed techniques; in addition, drying models and thermal efficiency were also investigated. In the first stage, fresh anchovy was dried with solar energy to reduce the initial moisture content from 81±1%wb to around 65%±1wb. In the second stage, the anchovy was dried with a dryer from … …American Journal of Applied Sciences, Vol. 12, Issue 2 · 23 Apr 2015 · 7,349 accessesView PDFCite
Research ArticleOpen accessIn the abstractSIMULTANEOUS OPTIMISATION OF DRYING PARAMETERS OF CERAMIC BODIESSalah Mahmoudi, Ezzeddine Srasra, Fouad ZargouniThis study deals with the mineralogical, physico-chemical and geotechnical analyses of representative Aptian clays in the north-east of Tunisia. X-ray diffraction reveals a predominance of illite (50-60 wt.%) associated to kaolinite and interstratified illite/smectite. The accessory minerals detected in raw materials are quartz, calcite and Na-feldspar. The average amounts of silica, alumina and alkalis are 52, 20 and 3.5 wt.%, … …Current Research in Geoscience, Vol. 4, Issue 1 · 1 Jul 2014 · 6,991 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Energy Aspects of Apple Drying in the Hot-Air and Infrared DryersSeyed Hashem Samadi, Issa LoghmaniehDrying is an energy-intensive process. In general, heating and evaporation require large quantities of energy. This study has been conducted to evaluate analysis for dying apple slices in two drying systems including hot-air convection and infrared drying. The apple samples were dried at temperatures of 90, 120 and 150°C and radiation intensity of 0.22, 0.31 and 0.49 W/cm2 in the … …Energy Research Journal, Vol. 4, Issue 1 · 26 Aug 2013 · 8,009 accessesView PDFCite
Research ArticleOpen accessIn the abstractCassava Chip Drying by Using a Small-Scale Hot-Air Microwave OvenPatomsok WilaiponCharacteristics of cassava microwave hot-air drying were investigated in a 2-planes microwave hot-air dryer. The drying experiments were carried out at two levels of sample surface temperature set-points viz. 70 and 80°C respectively. Cassava (Rayong-9) with 2.5 kg weight and 61% moisture content on wet basis was dried in the dryer for about 5-5.3 h. It was found that the … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 2 · 6 Jun 2013 · 7,569 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnchovy Drying Using Infrared RadiationWatcharin Dongbang, Anirut MatthujakThe present study investigated the drying of anchovy using infrared radiation experimentally; in addition, the dimensionless heat transfer coefficient in terms of Nusselt’s number was also investigated. The anchovy was dried from 78±1%wb down to 20±1%wb. The drying conditions were infrared power range 400-800 W, hot air temperatures range 50-70°C and hot air velocity range 0.5-1.5 ms-1. The lowest drying … …American Journal of Applied Sciences, Vol. 10, Issue 4 · 14 Apr 2013 · 6,815 accessesView PDFCite