Drying of Fish Sardines in Oman Using Solar Tunnel Dryers.pdfVIP

Drying of Fish Sardines in Oman Using Solar Tunnel Dryers.pdf

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Drying of Fish Sardines in Oman Using Solar Tunnel Dryers.pdf

JournalofAgriculturalScienceandTechnologyB1(2011)108—114 Earliertitle:JournalofAgriculturalScienceandTechnology,ISSN 1939-1250 霸 {嚣艟 辩锚 DryingofFishSardinesinOmanUsingSolarTunnel Dryers M .A.Basunia,H.H.AI.Handali,M .I.AI—Balushi,M .S.RahmanandO.M ahgoub CollegeofAgriculturalMarineSciences,SultanQaboosUniversity,P.0 Box34,Al_Khod123,Muscat,SultanateofOman Received:June25,2010/Published:May20,2011 Abstract:Thispaperdealswiththedesign.constructionandperformanceevaluationprocedureofasolartunneldryerindryingfish.A 12meter1ongand2meterwidthhalt-circledtunnelwasdesignedandconstructedtodry about50·100kgoffleshlyharvestedfishesper batch.Thehalfofthetunnelbasewasusedasthefiatplateairheatingsolarcollectorandtheremaininghalfasadryer.Thedryingair wasforcedfromthecollectorregion(northside)tothedqingregion(southside)ofthehalfcircledtunnelwheretheproductistobe dried.Thedryingtemperaturecouldbeeasilyraisedbysome5-30 。C abovetheambienttemperatureinsidethetunnelatanair velocityofapproximately0.2m/see.Thetestwasconductedwith51.5kgrfeshlyharvestedsardines(halgload)withinitialmoisture contentof66.5% (wet.basis)toanalyzetheperformanceofthedryer.Thefishesweredriedtoafinalaveragemoisturecontentof l5.5% (wetbasis1withinthreedays(30hours).Itwaspossibletoreachthemoisturecontentlevelforsafestoragewithinlessthanthree daysf30hrswithsolartunneldryerand7daysinopenairnaturalsundrying.Theimprovementinthequalityoffishesintermsof color.bri~zhtness.flavor,andtasteandofodvaluewasdistinctlyrecognized. Keywords:drying,fishsardines,solartunneldryer,moisturecontent 1.Introducti0n infestation.So a considerable lOSS (30-40%) is occurredr21.Thesefactorscauselotoflossesto There are various methods and techniques

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