Comparative Experimental Investigation Between Parabolic Dish And Flat Plate Collector Based Solar Dryer For Saw Dust Briquette Production
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From different types of briquette drying technology, the open sun drying system is the most widelyrnused,rnwhichrnisrnfoundrninrnmanyrndevelopingrncountriesrnincludingrnEthiopia.rnrnForrnthisrntypernofrnconvectionalrndryingrnprocess,rntherntimernrequiredrntornremovernmoisturernfromrnthernproductrnisrntoornlong.rnInrnrnaveragernitrnrequiresrn3rntorn4rndaysrnwithrnavailablernsufficientrnsolarrnradiation. rnBesidernthatrnthernrecentrnrnimprovedrntypernsolarrndriersrn(flatrnplate-basedrndriers)rnhavernstillrninefficiencyrnregardingrntorntherndryingrnrntime.rnThisrnhappenedrnduerntornthernlowrndryingrnairrntemperaturerneffectrnthatrnlimitsrntherndryingrntimernandrnrnefficiency.rnThernmainrnobjectivernofrnthisrnprojectrnwasrntorndesign,rnconstructrnandrntestrnmorernefficientrnsolarrnrndrier compare to the recent developed dryer type. To prove the new type of drier performance,rnthernexperimentrnhasrnbeenrndonernbyrncomparingrnthernperformancernofrnthernparabolicrndishrnbasedrnrndrierrn(PDSCD)rnwithrnthernFlatrnplaternbasedrndrierrn(FPSCD).rnTherncomparativernassessmentrnhasrnbeenrnrndonernrnwith scientific experiment using different measuring methods and tools discussed in thisrnpaper. rnThe experiment was conducted in the Addis Ababa Institutes of Technology compound free fieldrnarea for both solar driers. The drying air temperature has been increased using concentratorrncollectors. The PDSCD and FPSCD absorber surface temperature, drying air temperature, airrnspeed at the outlet of the drying chamber, moisture content variation, the relative humidity atrnambient and inside the drying chamber were measured with unloaded and loaded setup usingrndirect and indirect measuring methods. The amount of moisture removed from the drying chamberrnofrnPDSCDrnandrnFPSCDrnisrn0.039rnkgrnandrn0.022rnKgrnrespectively.rnThernmeasuredrnresultrnindicatesrnrnthatrnperformancernPDSCDrnhasrnarnbetterrnmoisturernremovingrncapacityrnraternthanrnFPSCD.rnAfterrnanalysisrnofrnthernmeasuredrnresult,rnthernthermalrnefficiencyrnparabolicrndishrncollectorrnandrnFlatrnplaterncollectorrnisrndeterminedrn31.55%rnandrn8.95rn%rnrespectively.rnAndrnthernoverallrndryingrnsystemrnefficiencyrnofrnrnthernPDSCDrnandrnFPSCDrnisrn31.55rn%rnandrn8.95rn%rnrespectivelyrnwherernthernPDSCDrnhasrnbetterrnperformancernthanrnFPSCD.
Subsurface Intelligence & Critical Mineral Exploration
Modern Geology projects now focus on Machine Learning in Mineral Targeting, Carbon Capture & Storage (CCS) Geologic Modeling, and Critical Mineral Systems (Lithium, REEs). If your research involves Hydrogeological Connectivity, Seismic Inversion, or Geotechnical Site Characterization, ensure your analysis follows the JORC or NI 43-101 reporting standards and utilizes robust 3D Subsurface Visualization and Geochemical Fingerprinting frameworks.
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