Assignment i:2 Research iand iDistinguish ibetween iTwo iFilm iTheory iand iPenetration iTheory PROBLEM iSTATEMENT Impact iof iSize ion ithe iConvective iWarmth iand iMass iExchange iCoefficients iduring iCommon iConvection iDrying iof igreen ihouse iof iKhoa BACKGROUND: Sun ioriented ienergy iis iplentiful, inon-toxin, iwhat's imore, iinexhaustible itype iof ienergy. iIt itends ito ibe iadequately iutilized ifor iitem idrying, iif igathered iappropriately. iThe iconventional istrategy ifor iitem iparchedness iis ithe iopen isun idrying istrategy iwhich ihas inumerous idisservices ilike iitem icontamination iand itainting. iA iserious iand ielective istrategy ito ithe iconventional imethods iis inursery idrying. iIn inursery idrying ithe iitem iis iset iin iplate iwhich iget isun ioriented iradiation ithrough ithe iplastic icover iand idampness iis ieliminated ieither iby icommon iconvection ior iconstrained iair istream. iThe iutilization iof iproper inursery idryer iimproves ithe inature iof ithe iitem ialso, ilead ito idecrease iof idrying itime istretch i(Condori iet ial., i2001). iKhoa iis ia iwarmth idried iup, isomewhat idried iout imilk iitem. iIt iframes ian isignificant ibase ifor iarrangement iof imilk OBJECTIVES: In ithis iexploration ipaper, ithe iconvective iwarmth iand imass iexchange icoefficients iare iassessed ifor ikhoa idrying iunder inormal iconvection inursery imode ifor ivarious isizes iof ikhoa itests ifor ia igiven imass. iThe ikhoa ibits iof imeasurements i0.025 i× i0.02 i× i0.015 im3, i0.0375 i× i0.03 i× i0.015 im3, iand i0.075 i× i0.06 i× i0.015 im3 iwith iall iout iamount iof i100 ig iare idried iin ithe irooftop itype ieven irange inursery iwith ia istory iregion iof i1.2 i× i0.8 im2. iThe ikhoa ihas ibeen idried iat iclimatic iweight itill ithere iis ibasically ino ivariety iin iits imass iis irecorded. iThe iexploratory iinformation iare iutilized ito idecide ithe iestimations iof ithe iconstants iin ithe iNusselt inumber iarticulation iby istraightforward idirect irelapse iexamination iand, ithusly ithe iconvective iwarmth imove icoefficients iare iassessed. iThe imass iexchange icoefficients ihave iadditionally ibeen iassessed. iThe iconvective iwarmth iand imass iexchange icoefficients iare iseen ito idiminish iwith ithe iexpansion iin isize iof ithe ikhoa itest iand iare idiscovered imore ifor ithe ikhoa ipieces ihaving imeasurement i0.025 i× i0.02 i× i0.015 im3. iThe iexploratory imistake iregarding ipercent ivulnerability ihas iadditionally ibeen iassessed. iWatchwords: iKhoa; iKhoa idrying; iConvective iwarmth imove icoefficient; imass iexchange icoefficient; iNursery idrying; iCharacteristic iconvection. iPresentation iSun ibased ienergy iis iplentiful, inon-poison, iand isustainable itype iof ienergy. iIt ivery iwell imay ibe isuccessfully iutilized ifor iitem idrying, iwhenever icollected iappropriately. iThe icustomary istrategy ifor iitem ilack iof ihydration iis ithe iopen isun idrying itechnique iwhich ihas inumerous idrawbacks ilike iitem icontamination iand idefilement. iA iserious iand ielective istrategy ito ithe iconventional iprocedures iis inursery idrying. iIn inursery idrying ithe iitem iis iset iin iplate iwhich iget isun ipowered iradiation ithrough ithe iplastic icover iand idampness iis ieliminated ieither iby iregular iconvection METHODOLOGY: Trial iunit iwas isituated ion ithe iopen ifloor iof ia ithree-story iworking ito ihave ia igreat ipresentation ito ithe isunlight ibased iradiation. iDue ito igreater iaccessibility iof idaylight ithe idirection iof ithe inursery iwas ikept ieast-west. iThe iexaminations iwere iconveyed iout iwith iabsolute iamount iof ikhoa ias i100 ig ifor ieach icomponent iof ithe ikhoa ipieces, ii.e., i0.025 i× i0.02 i× i0.015 im3, i0.0375 i× i0.03 i× i0.015 im3, iand i0.075 i× i0.06 i× i0.015 im3. iFor ieach iexamination, ikhoa ibits iof i1.5 icm ithickness ifor isingle ilayer idrying iwere ikept iin ia iwire iwork iplate iof i0.09 im i× i0.06 im isize istraightforwardly iover ithe iadvanced igauging ibalance iof i6 ikg ilimit i(TJ-6000, iScaletech, imade iin iIndia) iwith ia ileast itally iof i0.1 ig. iThe ikhoa iand iair itemperatures iat ivarious iareas iwere iestimated iby ialigned icopper-constantan ithermocouples iassociated iwith ia iten ichannel icomputerized itemperature imarker iwith ia ileast itally iof i0.1 ioC. iFor iestimating ikhoa isurface itemperature ifour ithermocouples iwere iset iat ithe iexample isurfaces iand iafterward itheir inormal iworth iwas ithought iof. iTo iacquire iexact ireadings iof ithe itemperatures ithe ithermocouples ihave ibeen ialigned ias ifor ithe iEnthusiasm ithermometer i(made iin iBritain). iThe irelative idampness i(γ ior iRH) iand ithe itemperature isimply iover ithe ikhoa isurface iwas iestimated iby ian iadvanced imugginess/temperature imeter i(Lutron-HT i3006, imade iin iTaiwan) iwith ileast ichecks iof i0.1% iRH iand i0.1 ioC. iThe idifferent imeasurements iand ithe iareas iof iestimated iboundaries iare iappeared iin ia ischematic iof itA irooftop itype ieven irange inursery iof i1.2 i× i0.8 im2 ipowerful ifloor izone iwas icreated iof iPVC ipipe iand ian iUV ifilm icovering iof i200 imicrons. iThe ifocal itallness iand ithe idividers iwere ikept iup ias i0.6 im iand i0.4 im iindividually. iAn iair ivent iwith ia iviable iopening iof i0.043 im2 iwas igiven iat ithe irooftop ifor icharacteristic iconvection. iA iphoto iof ithe iexploratory iarrangement ifor inursery idrying iand ikhoa itest iis iappeared iin iFig.1. RESULT iAND iOUTCOMES The iimpact iof ithe isize ion ithe iconvective iwarmth ifurthermore, imass iexchange icoefficients ifor ikhoa idrying iunder iregular iconvection inursery imode ifor ia igiven imass ihas ibeen iresolved. iThe iconvective iwarmth iand imass iexchange icoefficients iare imore ifor ithe ibits iof imeasurement i0.025 i× i0.02 i× i0.015 im3. iThe iconvective iwarmth iand imass iexchange icoefficients idecline iwith ithe iexpansion iin isize iof ithe ikhoa ipieces iwhich icould ibe iexpected ito idiminish iin ievacuation iof idampness isubstance. iThe inormal iestimations iof iconvective iwarmth iand imass iexchange icoefficients iare ifound ito iincrement ifrom i1.59 iW/m2 ioC ito i2.53 iW/m2 ioC iand i39.95 iW/m2 ioC ito i60.6 iW/m2 ioC iseparately ifor idiminishing ithe isize iof ikhoa ipieces ifrom i0.075 i× i0.06 i× i0.015 im3 ito i0.025 i× i0.02 i× i0.015 im3. iThe iconvective iwarmth iand imass iexchange icoefficients iare ilikewise iseen ito idiminish iwith ithe imovement iof idrying itime ispan iduring ievery iday iof idrying. iThis iis ion iaccount iof ireduction iin idampness ievacuation iwith ithe iexpansion iin idrying itime ispan. iConsequently ifrom ithe icurrent iexamination iwork iit iis iinduced ithat ithe isize iof ikhoa ipieces iplays ia icritical ipart iin iits idrying. iThis iexamination iwork iwould ibe iexceptionally ivaluable iin ithe iplan iof ia iproductive inursery idryer ifor ikhoa idrying ito iits iideal istockpiling idampness