STL2STM2BookC_StringPrint_SetupTPrintStartupSound_TabLISTBook_PrefsAct List Scene Drawing_Model Draw_Specs diagram_struct_arrayDependentsScriptPad_ListManuscriptPlayPlay_PrefsModelSubscript_Set_ListSubscript_SetArraySimulation_ModelRun_Specsentity_struct_arrayentity_structint16_arraydouble_arraytoken_type_arraytoken_type run_handle_array!Draw_Index"Poster_Info#diagram_struct$Point_array%movie_attach&Picture_Tab'Pad(Model_Index_array)Button_Type*Condition+Play_Where,Movie_Tab-Model_Index.slider_type/Log_Condn0Log_Page1graph_type2curve_type_array3curve_type4AliasRecord5Pathname6Panel7Sector_Specs8SET9Sense_Setup:select_struct_array;allow_struct_array<Picture_array=Entity_Controller_Map>Section_List?Font_Map@Font_Map_Record_ArrayAFont_Map_RecordBWindow_ListCModel_WindowDPad_WindowE@@fff ffbk kfxxHH@RHH@d'sFD ( `d>> ,,f6ff     fRf    JJ   drmd   P@@fffffffPP??? "2    V?ff :fffff6ff ғkfg(1 Dim_Name_1 qjj@Y?Time@n~*s@#@$@#@#@#|/@#|/???@#?Dissolved_Oxygen_Level9.8    @# !" #1f "@ ?Y ??@ ?Y >р>i޺???>HreoxygenationIF Dissolved_Oxygen_Level=9.8 THEN (0) ELSE MIN((volume/stream_height_or_discharge)*(9.8-Dissolved_Oxygen_Level)*reoxygenation_coef*(time-dt),9.8-Dissolved_Oxygen_Level)""  = @#    "     ( @#          , @#    !" #f @Zl|C??@Zl|C???oxygen_reacteddeoxygenation   !" #s@_@@b@_@@_@?LZѺ@?LZѺ@????sb/?Waste_Concentration0  !" #f &@@??@@??? waste_input'grams_of_waste_in*(time)/(volume*1000)          !" #f @ @EeQ??@EeQ?t+7f?sb/????E?Ywaste_reactedAOxygen_demand_or_waste_coefficient*Waste_Concentration*(time+dt) $        !" #c  ?XXT?XXT???XXT?XXT?XXT?XXT????XXT?XXT?reoxygenation_coef 0.0000738   ?X XT!" #c @@@@??@@@@@@@@???@@@@?volume area*stream_height_or_discharge      !" #s!@_@??@_@@_@@_@????Initial_Waste_Concentration0  !" #c @i@i??@i@i@i@i???@i@i? area200 !" #c$Ae?AeAe???? grams_of_waste_in%IF TIME = 2 THEN 250000*1000 ELSE(0) 8      : A     !" #f &#@@??@@??? waste_input_2'grams_of_waste_in*(time)/(volume*1000)          !" #c @Zl|Cȿr'??@Zl|Cȿr'r'r'???h-..? deoxygenation(Oxygen_demand_or_waste_coefficient*Waste_Concentration*(time))-((reoxygenation_coef/stream_height_or_discharge)*Dissolved_Oxygen_Level*(time)) <              !" #c"?[u%F?[u%F???[u%F?[u%F?[u%F?[u%F????[u%F?[u%F? #Oxygen_demand_or_waste_coefficient1.65E-3   ?[ u%F!" #c@@??@@@@???@4@? stream_height_or_discharge20  !" #c &?9dG{@b!??9dG{@b!?9dG{@b!>>????dDOdt!DERIVN(Dissolved_Oxygen_Level,1)     !" #    8$a Do @]%&' Graph 1(s) $NK DKm- Cu5%&'(*TT Afn n +,-RUN.) $N\D\6 T>%&'(*Afn n +,-CLEAR.) $ t@E 6 M%&'6Dissolved Oxygen Sag Curve for Introduction of Waste () $J2B@H%&'(/hh @@D@4@4+f?.01," " ) $ t@=c 8 Ek%&'8Dischange is the volume of water flowing per unit time.() $ ty;@y;c fq3k%&'fA constant mass of waste is introduced at time t = 2 into a stream with a water temperature of 17 C.() $ t@T \%&'Graph 1: p1 shows both the DO level and Waste Concentration for a run of the model Graph 1: p2 shows the comparative waste concentration curves Graph 1: p3 shows the comparative DO curves() $RZa@%&'(/f?.01," " ) $RZa@ %&'(/f?.01," " ) $ tq+@q+ i#%&'REAL-TIME levels () $R@ 3%&'(/f?.01," " ) $$@B@ Ip%&'(/?PbM?htj~?[u%F?[u%F9f ?. 01," " ) drmd  {((  ($sK@*\ '%&'() +$dHq@?hQz%&'() +$fY@_Aqxn %IyI&'%^y^() +$fY9@_Axk8%II{&'%[[{() +$dJ@AzS%&'() +$s@%&'() +$do@f x%&'() +$f@_o4%w&'%() +$f1@_.o0 %g&'%g() +$do@ fx%&'() +$c@ %&'() +$cu@ d %%&'() +$ao6]@ C%&'() +$c! @ .%&'() +$c?x @2Q]$%&'() +$acq[a@7!%&'() +$c= @#b  %&'() +$c @r %&'() +$c@s=%&'() +$aL @<@'o%&'() +$a 5O@\r%&'() +$a d@_%&'() +$a 7]@7%&'() +$a-)@^[%&'() +$a{^@Y%&'() +$aY @{y%&'() +$ar;F@`'<%&'() +$a%k?@6%&'() +$a :@|%&'() +$a8@}=%&'() +$a  @ 1%&'() +$a]T@U%&'() +$aY<Y@ U7%&'() +$skz@!J@|%&'() +$di#@"`r %&'() +$f{7 @#_cn%"$%%k kf&'%() +$ag##(@$:z2%&'() +$a #@%Wxz%&'() +$c2@&%P'%&'() +$a1}&1@'E%&'() +drmd)( (66'glkTneebkfÚff# 2ZZf*f 8f@Y;G@Y(s DO over Time3 4Bf@5fffffF@$.4f?~KF.2 fTfbf@Y;G@Y(sWaste Concentration 3B4f?~KF.2 f~f f@Y;G@Y(s DO Levels3B4f@5fffffF@$." q56 @? >f$ffļff5jdf  f@f      drmd P 7 fԿf  7    drmd   ff       drmd ffPf 8'j9T :bb^f)j f:f,fF L(;<=  >. " >."  ?x2@ABArialBArial?C D <7D<7E "(s