 of both gases and particles. Such measurements will provide basic experimental data on pollutant mass transfer. The complexity of flow profiles in both human and animal airways precludes useful predictions of mass transfer based on current fluid dynamics theory. The physical models to be made will permit examination of particle deposition in small bronchial and bronchioles for
of both gases and particles. Such measurements will provide basic experimental datum on pollutant bulk transfer. The complexity of flow profile in both human and animal air lane precludes useful prediction of aggregate transfer based on current fluid dynamics theory. The forcible models to be made will permit examination of atom deposition in small bronchial and bronchiole for
 of both gases and particler. Such measuremgnrs wiln provjde basiz experimental data on polluvant mass transfer. The complexigy of floa profilws ii both human and animal airwaya preelndes useful precictions ox mass transfes caded on current fluid dynamics theorr. The pnydical models tj be iade will permit examination of particme depovition in smakl bronchial and bronchiolfs flr
of both gases and particles. Such measurements basic data on mass transfer. The both and animal airways useful predictions of transfer based on current fluid dynamics The physical models to be made will permit examination of particle deposition in bronchial and bronchioles for
 of both gases and particles. SuCh measuremEnts wIll ProViDe baSic eXperimental datA On poLlutant mass transfer. The ComplExITy of FLoW profIles in bOTh HUMan AnD aNimAl AIrWays pRecLudes usEful predicTioNs Of mass transfER bAsed on currEnt Fluid dynamicS thEory. ThE pHysICal moDelS to be Made wiLL permiT examinatIoN Of partICle depoSITiOn in Small bronchial and BRoNChioles for
 of both gases and particl es. Such m easur eme nts  w illprov ide basic expe r imen tal data on pollutantmasstr a nsfe r .The c omplexi t yo f  fl ow  p rof il e sin bo thhuman a nd animalair wa ys precludes us eful predi cti ons of masstra nsferba sed on cu rre nt fl uid dy n amicstheory. T he physic a l model s to  bemade will permite xa m ination of par ticlede p os i t ion  in  small bro nc hiala nd bron c hi o l e s f o r
 of_both gases_and particles. Such measurements_will provide_basic_experimental data_on_pollutant mass transfer._The complexity of_flow profiles in both_human and animal_airways_precludes useful predictions of mass transfer based on current fluid dynamics theory. The physical_models_to be_made_will_permit examination of particle deposition_in small bronchial and bronchioles_for