Effectof(optimised)noisebarriers onairquality TestSiteIPLA28 - PowerPoint PPT Presentation

M+P�– consulting�engineers Müller�BBM�group ��������� ���������������������������� ����������� Effect�of�(optimised)�noise�barriers� on�air�quality Test�Site�IPL�A28 Jan�Hooghwerff Christiaan�Tollenaar Roy�van�der�Heijden 1 IPL�conference�� Air�Quality�alongside�motorways

Goal�and�research�questions Questions ▪ do�(noise)�barriers�have�a�significant�impact�on� the�dilution�of�airborne�pollutants? ▪ can�barriers�be�optimised for�this�purpose�? Approach ▪ competition�to�induce�market�players�to�come�with� ideas ▪ investigation�of�ideas�at�the�IPL�Test�Site 2 IPL�conference�� Air�Quality�alongside�motorways

Putten 3 IPL�conference�� Air�Quality�alongside�motorways

Test�Site�Location N Zero'situation Noise barriers 4 IPL�conference�� Air�Quality�alongside�motorways

Artist�impression of�the Test�Site 5 IPL�conference�� Air�Quality�alongside�motorways

6 IPL�conference�� Air�Quality�alongside�motorways

Cross'section of�the road profile B M3 M1 M2 T2 E T1 3.5 4.5�? ≈ 3.5�? 3.75 3.75 5 5 18.5 ≈ 11�m ≈ 8�m 28.5�m 7 IPL�conference�� Air�Quality�alongside�motorways

Schematic view of�measurement positions M13 M13 north Background�concentration Zero�situation Reference�barrier Test�barrier�1 Test�barrier�2 M1 M1 M4 M4 M7 M7 M10 M10 M2 M2 M5 M5 M8 M8 M11 M11 M3 M3 M6 M6 M9 M9 M12 M12 8 IPL�conference�� Air�Quality�alongside�motorways

Experimental�approach M13 M13 north north Background�concentration barrier�effect�=�(M5�M13)�/�(M2�M13) Zero�situation Reference�barrier Test�barrier�1 Test�barrier�2 With�eastern�wind: M1 M1 M4 M4 M7 M7 M10 M10 M2 M2 M5 M5 M8 M8 M11 M11 background�concentration�=�M13 road�contribution�=�M2�– M13 M3 M3 M6 M6 M9 M9 M12 M12 9 IPL�conference�� Air�Quality�alongside�motorways

What was�measured? NOx ▪ continuous�with�NOx�monitor ▪ Ozon at�3�positions PM 10 ▪ 24�hours�with�reference�method�(LVS) ▪ continuous�with�Osiris ▪ continuous�with�TEOM Meteorological�data 10 IPL�conference�� Air�Quality�alongside�motorways Traffic�(partly)

Airpointer 11 IPL�conference�� Air�Quality�alongside�motorways

NOx and�Ozon with Airpointer 12 IPL�conference�� Air�Quality�alongside�motorways

Measurement systems PM�' LVS ▪ 24�hours�with�reference� method�(LVS) 13 IPL�conference�� Air�Quality�alongside�motorways LVS

Measurement systems PM�' Osiris ▪ continuous ▪ based�on�light� scattering ▪ in�results�too� much� uncertainty 14 IPL�conference�� Air�Quality�alongside�motorways Osiris

PM�with TEOM Sample� filter 15 IPL�conference�� Air�Quality�alongside�motorways

Real�time NOx measurement Real�time O 3 measurement Instrument�configuration PM10�reference method PM2.5�reference method Real�time PM�Osiris Real�time PM�TEOM�FDMS Real�time PM�TEOM Sunlight measurement Meteorology measurement Background�concentration Reference barrier Test�barrier 1 Test�barrier 2 Zero�situation 16 IPL�conference�� Air�Quality�alongside�motorways

Instrument� comparison 17 IPL�conference�� Air�Quality�alongside�motorways

Which barriers and�when? Session�/�period barrier�1 barrier�2 barrier�3 1:�July�� October� 7�meter�high�standard� fibreboard�concrete�with� 2007 barrier TiO 2� coating�(Durisol) 2:�December�2007� T�top�barrier vegetated�barrier� – March�2008 (Mostert de�Winter) Cleanscreen 3:�April�– August� Active�Green�noise�barrier� 2008 (Redubel) (Aacoustics) 4�meter�high� reference� 4:�August�– Cleanstone (Tauw/Holland) Greenbreath barrier November�2008 (MOWI/Bos variant) 5:�December�2008� 7�meter�high�standard� no�barrier � March�2009 barrier 18 IPL�conference�� Air�Quality�alongside�motorways

4'meter reference�barrier 7'meter 19 IPL�conference�� Air�Quality�alongside�motorways standard�barrier

vegetated�barrier� (Mostert de�Winter) barrier�with�T'top Greenbreath (MOWI/Bos variant) Cleanscreen (Redubel) Cleanstone (Tauw/Holland) fibreboard�concrete�with�TiO 2 coating�(Durisol) 20 IPL�conference�� Air�Quality�alongside�motorways Active�Green�noise�barrier� (Aacoustics)

NOx 10�m�behind�reference�barrier contribution�of�the�road�10�m M13 M13 north Background�concentration road contribution M5 500 400 NOx�meetpunt�5�[;g/m3] 300 Zero�situation Reference�barrier Test�barrier�1 Test�barrier�2 y�=�0.80x 200 M1 M1 M4 M4 M7 M7 M10 M10 M2 M2 M5 M5 M8 M8 M11 M11 100 M3 M3 M6 M6 M9 M9 M12 M12 0 0 100 200 300 400 500 NOx�meetpunt�2�[;g/m3] road contribution M2 21 IPL�conference�� Air�Quality�alongside�motorways

PM 10 10�m�behind�reference�barrier contribution�of�the�road�10�m 60 road contribution M5 y�=�0.69x PM 10 �meetpunt�5�[;g/m3] 40 20 0 0 20 40 60 PM 10 �meetpunt�2�[;g/m3] road contribution M2 22 IPL�conference�� Air�Quality�alongside�motorways

Barrier effect�for NOx,�by month 50 40 Schermeffect�[%] 30 20 10 0 7 8 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 9 9 8 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 � � � � � � � � � � � � � � � � � � � � � v r v l g t c n b t n l g t c n b t p i p u k r p e u k r o o u e e a e u u e e a e m m j o n a m j o n a s d j f j a s d j f 23 IPL�conference�� Air�Quality�alongside�motorways

4m�reference�barrier 7m�standard�barrier 4'meter reference�barrier 24 IPL�conference�� Air�Quality�alongside�motorways 7'meter standard�barrier

NOx 70 4m�reference�barrier 60 7m�standard�barrier 50 Barrier�effect�[%] 40 30 20 10 0 5 10 15 20 28,5 distance�behind�the�barrier�[m] 25 IPL�conference�� Air�Quality�alongside�motorways

NO 2 70 4m�reference�barrier 60 7m�standard�barrier 50 Barrier�effect�[%] 40 30 20 10 0 �10 �20 �30 5 10 15 20 28,5 distance�behind�the�barrier�[m] 26 IPL�conference�� Air�Quality�alongside�motorways

PM 10 with TEOM 100 4m�reference�barrier 80 7m�standard�barrier Barrier�effect�[%] 60 40 20 0 �20 5 10 15 20 28,5 distance�behind�the�barrier�[m] 27 IPL�conference�� Air�Quality�alongside�motorways

Total�uncertainty PM 10 TEOM NOx NO 2� Instrument 25% 4% 9% Measurement line 4% 4% 4% Random errors 4% 1% 2% Total 26% 6% 10% 28 IPL�conference�� Air�Quality�alongside�motorways

Average effect�reference barrier Sessions 1�t/m�5 ▪10�m�behind barrier ▪period Juli�2007�– March 2009 ▪valid for … Average�effect�[%] NOx 20�(6) NO 2 14�(10) �� �� ������� 29 IPL�conference�� Air�Quality�alongside�motorways

vegetated�barrier� (Mostert de�Winter) barrier�with�T'top Greenbreath (MOWI/Bos variant) Cleanscreen (Redubel) Cleanstone (Tauw/Holland) fibreboard�concrete�with�TiO 2 coating�(Durisol) 30 IPL�conference�� Air�Quality�alongside�motorways Active�Green�noise�barrier� (Aacoustics)

Optimised barriers NOx 60 Mostert�de�Winter 50 Active�Green 40 Greenbreath 30 Schermeffect�[%] T�top 20 10 Cleanscreen 0 Cleanstone periode�2 periode�3 periode�4 periode�5 �10 7M�scherm �20 Referrentiescherm �30 31 IPL�conference�� Air�Quality�alongside�motorways

Optimised barriers NO 2 80 Mostert�de�Winter 60 Active�Green Greenbreath 40 Schermeffect�[%] T�top 20 Cleanscreen 0 Cleanstone periode�2 periode�3 periode�4 periode�5 7M�scherm �20 Referentiescherm �40 32 IPL�conference�� Air�Quality�alongside�motorways

Optimised barriers PM 10 100 80 60 Schermeffect�[%] 40 20 0 Greenbreath periode�1 periode�2 periode�3 periode�4 periode�5 �20 Cleanstone 7M�scherm �40 Referrentiescherm �60 33 IPL�conference�� Air�Quality�alongside�motorways

Conclusions Question�1 ▪ do�(noise)�barriers�have�a�significant�impact�on� the�dilution�of�airborne�pollutants? Answer ▪ both�for�NOx and�PM 10 significant�effects ▪ barrier�height�is�a�important�factor�for�the�barrier� effect 34 IPL�conference�� Air�Quality�alongside�motorways