Örebro universitet Örebro University
Institutionen för teknik Department of Technology
701 82 Örebro SE-701 82 Örebro, Sweden
Examensarbete 15 högskolepoäng C-nivå
AKUSTISK DESIGN AV
STUDIORUM FÖR MUSIKINSPELNING
Manne KjellanderLjudingenjörsprogrammet 180 hp Örebro 2009
Examinator: Dag Stranneby
% 14/5%
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L,W ,H = rummets längd bredd och höjd p,q,r = heltal
% _4/5% c*L#>$#%;$(("#%\%-DE%`2-;*C)$7%,$>7L;>%"J%*@;;$7>%>7=*>7"%)?;$#>?-#H% M*$9J$#>$#%9"#%,$*L9#">%:$#-;%"77%8.a.*%>L77>%7?((%1.0.0%?%$9J"7?-#%1%$(($*%E$(7% $#9$(7%>-;%)$#%<*$9J$#>%J"*>%E"(J"%JC:(L#:)%L*%(?9"%;$)%*@;;$7>%(L#:>7"% )?;$#>?-#H%Z%\2-;*C)$7%L*%"((7>C%JC:(L#:)$*#"%>7=**$%L#%)@,,("%*@;;$7>%(L#:)H%Z% )$77"%-;*C)$%<?##>%?#:"%*$>-#"#><*$9J$#>$*H%6$77"%,$7G)$*%#"7@*(?:7J?>%?#7$%"77% )$>>"%<*$9J$#>$*%?#7$%9"#%$Y?>7$*"%?%*@;;$7H% 6$#%J"#(?:">7$%>7"7?>7?>9"%,$*L9#?#:$#%?#-;%*@;>"9@>7?9$#%L*%,$*L9#?#:$#%"J% $<7$*9("#:%;$)%E'L(8%"J%Q",?#$>%<-*;$(%e$9J"7?-#%SfH%!$)%E'L(8%"J%*@;;$7>% J-(G;%>";7%)$#%7-7"("%",>-*87?-#>;L#:)$#%9"#%$<7$*9("#:>7?)$#%*L9#">%@7H% \,>-*87?-#>;L#:)$#%<C>%:$#-;%"77%,$:*L#>#?#:>G7-*#">% ",>-*87?-#>9-$<<?D?$#7$*%;@(7?8(?D$*">%;$)%"*$"#%<=*%J"*'$%;"7$*?"(H%X=>"% <=*$;C(.%7?((%$Y$;8$(%;L##?>9-*%-DE%;=,($*.%7?((<=*%-D9>C%$#%J?>>% ",>-*87?-#>;L#:)H%\,>-*87?-#>;L#:)%,$7$D9#">%\%-DE%"#:$>%?%$#E$7$#%;/% >",?#$H%A#%;/%>",?#$%;-7>J"*"*%$#%9J")*"7;$7$*%"J%100g%",>-*87?-#H%A77%=88$7% <=#>7$*%8C%$#%:C#:$*%$#%;$7$*%,?)*"*%"((7>C%;$)%1%;/%>",?#$%$<7$*>-;%100g%"J% ('@)$7%>-;%7*L<<"*%G7"#%<=*>J?##$*%@*%*@;;$7H% Q",?#$>%<-*;$(%@7:C*%?<*C#%"77%('@)<L(7$7%L*%E$(7%-DE%EC(($7%)?<<@>7H%6L*<=*%>7L;;$*% )$#%-<7"%?#7$%E$(7%?%>;C%*@;%;$)%$#9("%<-*;$*.%;$#%9"#%L#)C%J"*"%7?((%E'L(8%<=*% @#:$<L*(?:"%,$*L9#?#:"*%eAJ$*$>7%>H%W//fH% 6$7%<?##>%?#:$7%$#E$7(?:7%;C77%8C%E@*%)?<<@>7%$77%('@)<L(7%L*H%Z%>7L(($7%9"#%;"#%7"% E'L(8%"J%<($*"%-(?9"%"#"(G>;$7-)$*H%!"#%9"#%7?((%$Y$;8$(%;L7"%('@)$7%?%;C#:"% -(?9"%8@#97$*%?%*@;;$7%-DE%'L;<=*"%*$>@(7"7$#H%!"#%9"#%7?77"%8C% >7"#)"*)"JJ?9$(>$#%<=*%$#%8"*";$7$*%=J$*%-(?9"%;L78->?7?-#$*H%V?((%;"#%>L77"% >?<<*-*%8C%)?<<@>?-#$#%9"#%;"#%@7#G77'"%$77%"J%9"*"97L*>)*":$#%<=*%$77%)?<<@>7% ('@)<L(7%eAJ$*$>7%>H%/^_f.%"77%$<7$*9("#:>7?)$#%>9"%,(?%(?9"%-,$*-$#)$%"J% @7JL*)$*?#:>?#7$*J"(($7%e>$%>7GD9$7%h/0.%hS0%i%A6h%@#)$*%!L7;$7-)$*fH% A9J"7?-#%W%9"#%)C%:$%$77%;C77%8C%)?<<@>?-#$#%?%*@;;$7H%XC:7%JL*)$%8C%6h/0% ?#)?9$*"*%E=:%)?<<@>?-#H% % % ! RT60 =0,161" V A där RT60 = efterklangstid, sekunder
V = rummets volym, kubikmeter
A = den totala absorbtionsmängden, m2 sabine
2
I-C8+.4"2602F8H."#'2(4*@#&2H#'-*.C#*2'8@H8"5#+2@#&&8"28H'4*J+.4"'@D"/524,$2 #(+#*-&8"/'+.502
% P4/5% % % % % I-C8+.4"2:02IK#@J#&2J%25.((9'.4"'@%++02 % % %
0-'#+'12+,)
h*")?7?-#$((7%E"*%$<7$*9("#:>7?)%J"*?7%)$7%=J$*(L:>$7%J"#(?:">7%<=*$9-;;"#)$% *@;>"9@>7?>9"%;C77$7H%A<7$*9("#:>7?)%)$<?#?$*">%>-;%)$#%7?)%)$7%7"*%<=*% ('@)7*GD9>#?JC#%"77%>'@#9"%^0%)`%$<7$*%)$7%"77%)?*$97('@)$7%@88E=*7%?%$77%*@;H%6$7% E"*%)-D9%J?>"7%>?:%"77%$<7$*9("#:>7?)%>L:$*%(C#:7%?<*C#%"((7%-;%$77%*@;>%"9@>7?>9"% $:$#>9"8$*H%M=*%"77%<C%$#%,*"%,?()%,$E=J>%$77%"#7"(%"9@>7?>9"%;C77%)L*% $<7$*9("#:>7?)$#%L*%$77%"J%;C#:"H%3
456)3
75)8)9:3)
A6h.%h/0%-DE%hS0%L*%"(("%,$7$D9#?#:"*%8C%$<7$*9("#:>7?)H%Q9?((#")$#%L*%"77%;"#% "#JL#)$*%-(?9"%)$("*%"J%$<7$*9("#:>9@*J"#%<=*%"77%,$*L9#"%)$#%7-7"("% $<7$*9("#:>7?)$#H%A6h.%>-;%>7C*%<=*%*.'28%/*+.8%,#=*.%,">$*">%8C%$77%10%)`2 ?#7$*J"((H%BL*%('@)7*GD9$7%>'@#9?7%10%)`%(L>$*%;"#%"J%7?)$#%-DE%;@(7?8(?D$*"*% ;$)%^H%h/0%-DE%hS0%,">$*">%8C%/0%*$>8$97?J$%S0%)`2?#7$*J"((H%h?((%>9?((#")%<*C#% A6h%,=*'"*%;"#%*L9#"%$<7$*%"77%('@)7*GD9$7%>'@#9?7%5%)`H%j;%$<7$*9("#:>9@*J"#%L*% *"9.%)$7%J?((%>L:"%('@)<L(7$7%L*%)?<<@>7.%:$*%A6h.%h/0%-DE%h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
% 104/5%
;
<56);
=5) M=*%"77%,$>9*?J"%<=*)$(#?#:$#%"J%$<7$*9("#:$#>%('@)$#$*:?%=J$*%7?)%"#JL#)>% *1*'58%'.,#($H%!"#%)$("*%)C%?#%$<7$*9("#:$#%?%7?)?:"%-DE%>$#"%*$<($Y$*%-DE%'L;<=*% $#$*:?#%?%)$%,C)"%7?)>(@D9-*#"H%Q?<<*"#%?%,$7$D9#?#:"*#"%d50%*$>8$97?J$%dP0%J?>"*% J"*%;"#%>"77%:*L#>$#.%*L9#"7%?%;?((?>$9@#)$*H%d50%"#JL#)>%J"#(?:$#%<=*%7"(%-DE% >;C%(-9"($*H%dP0%L*%J"#(?:"*$%?%;@>?9>";;"#E"#:H%d("*?7G%>-;%;C77$7%-<7"%9"((">% )$<?#?$*">%$#(?:7%$9J"7?-#%5H% 6$7%E"*%J?>"7%>?:%"77%)$%7?)?:"%*$<($Y$*#"%L*%J?97?:"%<=*%"77%@88<"77"%7"(H%A77%E=:7% JL*)$%8C%d50%L*%"((7>C%,*"%<=*%7"(@88<"77,"*E$7$#H%Z%"#)*"%>";;"#E"#:.%>-;%7?((% $Y$;8$(%9-#>$*7>"("*.%9"#%dP0%J"*"%$77%,L77*$%;C77H% % ! Ct e = 10" lg p2( )
t dt 0 te#
p2( )
t dt te $#
dB % % I-C8+.4"2>02O#(.".+.4"28C2,&8*.+=02 % %>)
!C77$7%Q7*$#:7E%,$7$D9#">%c%-DE%"#:$*%E@*%;GD9$7%*@;;$7%,?)*"*%7?((% ('@)>7G*9"#H%j;%c%;L7>%@88%7?((%^%)`%<=*%$77%*@;%,$7G)$*%)$7%"77%('@)$7%L*%^%)`% >7"*9"*$%L#%)$7%E")$%J"*?7%;$)%>";;"%('@)9L(("%?%$77%$9-<*?77%*@;H%M=*%"77%;L7"% )$7%",>-(@7"%c2JL*)$7%,$E=J$*%;"#%"((7>C%$#%;L7@7*@>7#?#:%>-;%L*%9"(?,*$*")%?% $77%$9-<*?77%*@;H%X'@)#?JC#%?%)$7%$9-<*?"%*@;;$7%9"#%)C%>@,7*"E$*">%<*C#% ('@)#?JC#%?%*@;;$7%;"#%J?((%;L7"H%&J"*%,(?*%)$#%('@)#?JCE='#?#:%>-;%*@;;$7% ,?)*":?7%7?((H% Q7*$#:7E%-DE%$<7$*9("#:%L*%?#7$%"((7?)%9-88(")$%7?((%J"*"#)*"H%A#%C7:L*)%9"#%7?((% $Y$;8$(%>L#9"%Q7*$#:7E%@7"#%"77%$<7$*9("#:$#%8CJ$*9">H%Q$%9@*J-*#"%"%-DE%,%?% <?:@*%5H%% % ! Cte = 10lg p2 (t)dt 0 te"
p2 (t)dt te #"
dB därCte = förhållandet mellan tidiga och sena reflexer
te = gränsen för tidiga reflexer, antingen 50 eller 80
% 114/5% % 3./9*2>027.&52$D@+852(*%"2I,4J$4"'2$#@'.5802P&8"/-9*C8"2.2#++2-&8''*9@2()*Q2 8R2S4@+2*9@2 HR282T2#++28H'4*H#*8"5#29"5#*+8-22 ,R2H2T2$=&&4*M2'-%J24,$2@)H&#@8"/2&D"/'2@#52CD//8*"822 5R2,2T2#&#C'+8+.4"#*M2C8*L#2H#'+%#"5#28C2#"2'+4&24,$2#++2&.+#+2H4*5M2()*5#&8+2)C#*2/4&C#+2 P9*C4*"82824,$2H2D*2#K#@J#&2J%28++2&D/*#2&L95".C%2."+#28&&+.52.""#HD*2-4*+8*#2 #(+#*-&8"/'+.502 2
% 1/4/5%
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Används som vertikal absorbent tillsammans med, eller eventuellt istället för, akustiktak för att skapa goda akustiska egenskaper i ett rum, speciellt i större lokaler. Ecophon Wall Panel A har synligt bärverk och varje absorbent är demonterbar.
SYSTEM- OCH PRODUKTBESKRIVNING
Systemet består av Ecophon Wall Panel A absorbenter och Ecophon Connect bärverk, med ungefärlig vikt på 4 kg/m!. Absorbenterna har en kärna av glasull. Den exponerade ytan är belagd med en glasfiberväv (Texona) eller en stark glasfiberväv (Super G) men finns också med Akutex FT-yta (som standard i White Frost). Baksidan är belagd med glasfilt. Kanterna är obehandlade. Bärverket är tillverkat av galvaniserat stål. För bästa prestanda och kvalitet, använd Ecophon Connect bärverkssystem och tillbehör.
SORTIMENT Storlek, mm 2700 X 1200 T24 • Tjocklek 40 Inst. diagr. m194 AKUSTIK:
LJUDABSORPTION: Enligt rumsmetoden (EN ISO 354) hos SP. Klassifisering enligt SS-EN ISO 11654.
LJUDISOLERING: Ej tillämplig.
AVSKILDHET: (Sound Privacy): AC=230 enligt ASTM E 1376 och E 1110.
p Praktisk ljudabsorptionsfaktor
Frekvens, Hz
··· Ecophon Wall Panel A / Texona / tkh 40 mm --- Ecophon Wall Panel A / Super G / tkh 40 mm — Ecophon Wall Panel A / Akutex FT / tkh 40 mm tkh= total konstruktionshöjd
Produkt Wall Panel A/Akutex FT, vit Wall Panel A/Super G Wall Panel A/Texona t.k.h. mm 40 40 40 Absorptionsklass A A A
Wall Panel A med Connect Hattprofil Innerhörnslösning med Wall Panel A
Wall Panel A system med Avslutningslist och Connect T24 Huvudprofil Wall Panel A
ÅTKOMLIGHET: Absorbenterna är demonterbara.
RENGÖRBARHET: Systemet tål daglig dammtorkning och dammsugning samt våtavtorkning en gång per vecka (Super G och Akutex FT-yta). Dammtorkning och dammsugning en gång per vecka (Texona-yta).
KULÖR OCH LJUSEFFEKTIVITET: Wall Panel med vit kulör har hög ljusreflektion. För ljusreflektion och närmsta NCS-färgprov på samtliga kulörer: Se färgkollektionen.
Retroreflektionskoefficient 63 mcd*m-2lx-1. Glans < 1. (Gäller enbart Akutex FT).
KLIMATPÅVERKAN: Absorbenterna klarar en permanent relativ luftfuktighet (RH) på 95% vid 30°C (Super G och Akutex FT-yta) och RH 75% vid 30°C (Texona-yta) utan att formförändras (EN 13964). Termisk isolering, Rp=1,0 m²°C/W. Eftersom en väggabsorbent monterad på en yttervägg fungerar som en tilläggsisolering, bör behovet av fuktspärr utredas.
INOMHUSMILJÖ: Certifierad enligt Indeklima-mærkning. Rekommenderas av Astma och Allergi Förbundet.
KRETSLOPP: Svanen-märkt. Återvinningsbar.
BRANDSÄKERHET: Materialklasser: Absorbenternas kärna av glasull har testats och klassificeras som ej brännbar enligt EN ISO 1182.
MEKANISKA EGENSKAPER: Absorbenter med Texona-yta har måttlig slagtålighet. Super G ytskiktet är en stark glasfiberväv med hög slagtålighet.
MONTERING: Monteras enligt principskiss M194. Wall Panel med Akutex FT-yta bör monteras över vistelsezonen.
www.ecophon.se, CADsupport, Produktväljaren, Föreskrifter, Skötselanvisningar
Ecophon Master™ Solo S
Ecophon Master Solo S är ett horisontellt element med målade kanter. Det finns inga profiler runt det individuella elementet, vilket ger ett mycket rent, minimalistiskt uttryck. Produkten finns i storlekarna 1200x1200x40 mm och 2400x1200x40 mm med Akutex FT yta, White Frost.
SYSTEM OCH PRODUKTBESKRIVNING
Systemet består av Ecophon Master Solo A absorbenter med ungefärlig vikt på 6 kg för storleken 1200x1200 och en ungefärlig vikt på 11,5 kg för storleken 2400x1200.
Absorbenterna har en kärna av glasull. Den exponerade ytan har Akutex FT-ytskikt och absorbentens baksida har en vit ytbeläggning. Kanterna är målade. Spiralskruven används för upphängning av absorbenten. SORTIMENT Storlek, mm 1200 X 1200 2400 X 1200 Specialfästen • • Tjocklek 40 40 Inst. diagr. m222 m222 AKUSTIK:
LJUDABSORPTION: Testad enligt EN ISO 354. Klassificering enligt SS-EN ISO 11654. LJUDISOLERING: Ej tillämplig AVSKILDHET: Ej tillämplig.
Absorptionsmängd per st (m2Sabine)
Frequency (Hz)
— Ecophon Master Solo S 1200x1200 / tkh 1000 mm
— Ecophon Master Solo S 1200x1200 / tkh 400 mm
--- Ecophon Master Solo S 1200x1200 / tkh 200 mm tkh = total konstruktionshöjd
Absorptionsmängd per st (m2Sabine)
Frequency (Hz)
— Ecophon Master Solo S 2400x1200 / tkh 1000 mm
— Ecophon Master Solo S 2400x1200 / tkh 400 mm
--- Ecophon Master Solo S 2400x1200 / tkh 200 mm tkh = total konstruktionshöjd
Observera: Resultaten enligt diagrammen hänvisar till mätningar på individuella absorbenter. Om absorbenterna monteras i grupp med mindre inbördes avstånd än 0,5 meter, kommer
absorptionsmängden per styck att bli något lägre.
Upphängning med spiralskruv och huvudprofil Upphängning med spiralskruv
Baksidan på Solo S absorbenten Master Solo S absorbent
ÅTKOMLIGHET: Demontering av absorbenterna kräver åtkomst till baksidan där de justerbara wireupphängningarna är fastsatta i plattan.
RENGÖRBARHET: Systemet tål daglig dammtorkning och dammsugning samt våtavtorkning en gång per vecka.
KULÖR OCH LJUSEFFEKTIVITET: White Frost, närmaste NCS-färgprov S 0500-N, 85% ljusreflektion (varav mer än 99% är diffus reflektion). Retroreflektionskoefficient 63 mcd*m-2lx-1. Glans < 1
BRANDSÄKERHET: Materialklasser
Ljudabsorbenternas kärna av glasull har testats och klassificerats som ej brännbar enligt EN ISO 1182.
MEKANISKA EGENSKAPER: Absorbenten kan bära en punktlast på max 0,5 kg eller kan i storlek 1200x1200 bära en jämnt fördelad last på 2 kg och 2x2 kg för storleken 2400x1200. I båda fall gäller en fördelning på 900 mm. Se Montageanvisning för information om
Land Standard Klass
Sverige EN 13501-1 A2-s1,d0
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