consist of a combination of a numberof sensorsintegrated into a totalsystem,
whichwouldfulfil the basicindustrial requirementsof being robust, reliableand
cost effective.
35.8 References
BAGINSKIE., BURNSI.W.andHASTING A.P.M.(2002)Monitoringapparatus,Australian
patentno. 744109.
BARTLETTG., SANTOSR., BOTT T.R. andGRANTD.(1997)Measurement of biofilm
development with flowing water using infra red absorbance. InProc. of
EngineeringFoundationConf.± UnderstandingHeatExchangerFoulingand its
Mitigation, Lucca,Italy.
BLANCHARDA.P.,BIRDM.R.andWRIGHTS.J.L.(1997)In WimpennyJ.W.T.,HandleyP.,
GilbertP., Lappin-ScottH.M.and JonesM.V.Biofilms:CommunityInteractions
and Control, Cardiff:BiolnePublications,235±244.
CORRIEU, G., LALANDE, M.andFERRET, R.(1986)On-linemeasurementof foulingand
cleaningof industrialUHTheat exchanger.Journalof FoodEngineering,5,231±
248.
FOWLERH.W.andMCKAY A.J.(1980)In BerkeleyR.J. (ed.)The Measurementof Microbial
Adhesion, Chichester,EllisHorwood,143±161.
FRYERP.J.andSLATERN.K.H.(1987)A novelfoulingmonitor,ChemicalEngineering
Communications, 57 , 139±152.
FRYERP.J.,SLATERN.K.H.andDUDDRIDGE J.E.(1985)Biotech.Bioeng., XXVIII,434.
FRYERP.J., ROBBINS P.T.,GREENC., SCHREIERP.J.R., PRITCHARDA.M., HASTINGA.P.M.,ROYSTON
D.G.andRICHARDSONJ.F.(1996)A statisticalmodelfor foulingof a plateheat
exchangerby wheyproteinsolutionat UHTconditions,TransIChemE, 74 , C4,
189±199.
GALEG.E.(1995)A thicknessmeasuringdeviceusingpneumaticgaugingto detectthe
sample,Measurt.Sci. and Tech. 6, 1566±1571.
GALEG.E.and GRIFFITHSP.(1995) An automatic micrometerfor measuring soft
electricallyconductivematerials,Measurt.Sci and Tech. 6, 447±451.
GALLOT-LAVALLEET., LALANDE M.andCORRIEUG.(1981)An opticalmethodto study
removingof milkdepositsby sodiumhydroxidecleaningsolution.In HallstromB.,
LundD.B.and TragardhCh (eds)Fundamentalsand Applicationsof Surface
PhenomenaAssociatedwithFoulingand Cleaningin FoodProcessing, Tylosand,
Sweden,215±224.
GLENN.F.,HOWARTHJ.H.andJENKINSA.M.(1999)Foulingmonitoringon processplant±
Fieldexperience.In BottT.R.,WatkinsonA.P.and PanchalC.P.(eds)Mitigation
of HeatExchangerFoulingand its Economicand EnvironmentalImplications,
July 1999,Banff,Canada,70±76.
HASTING A.P.M.(2002)Industrial experienceof monitoring foulingand cleaning.In
Wilson D.I., Fryer P.J. and Hasting A.P.M. (eds) Fouling, Cleaning and
Disinfectionin FoodProcessing, JesusCollege,Universityof Cambridge,213±
220.
HASTING A.P.M.,BAGINSKIE.andBURNS I.W.(2005)A heatfluxsensorfor monitoring
foulingand cleaningin foodprocessing;in press.
JONES A.D.,WARDN.J.andFRYERP.J.(1994)The use of a heat flux sensorto monitormilk
586 Handbookof hygiene controlin the foodindustry