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Òåìà: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 24.04.2011 03:47 |
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Çäðàâñòâóéòå! Ó ìåíÿ çàäà÷à óñëûøàòü íèçÛ â ìàëåíüêîé êîíòðîëüíîé - ïî ìàò. ðàñ÷åòàì (çàìåðû À×Õ åùå âïåðåäè) îñíîâíûå àêñèàëüíûå è ïðî÷èå ìîäû êîìíàòû êàê ðàç ïðèõîäÿòñÿ íà 50-400 Ãö è, ÿ ïîëàãàþ, â ýòîì ñïåêòðå èìååò ìåñòî áûòü äè÷àéøàÿ èíòåðôåðåíöèÿ. Óøè âÿíóò, à íèçà íåòó. Òîí-êîìïåíñàöèÿ êîíòðîëüíîãî óñèëåíèÿ êàíåøí ðåøåíèå, íî ýòî êàê-òî íå òðóÚ. Èòàê. Ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü Ãåëüìãîëüöà, óñëîâíî êîðîáêà ñ ïåðôîðàöèåé ãäå êàæäàÿ äûðêà(ãîðëî) è ïðîñòðàíñòâî çà íåé îáðàçóþò ðåçîíàòîð âîçáóæäàþùèéñÿ íà îïð. ÷àñòîòàõ è çàáèðàþùèé ýíåðãèþ çâóê. âîëíû â íåîáõîäèìîì ñïåêòðå. È îïðåäåëÿÿ øèðèíó ãîðëà, îáúåì è ìàòåðèàë çàïîëíåíèÿ ïðîñòðàíñòâà ìû ìîæåì íàñòðîèòü ñîâîêóïíîñòü ýòèõ ðåçîíàòîðîâ íà òðóäíûå äëÿ ïîãëîùåíèÿ â ìàëîé êîìíàòå íèçêèå ÷àñòîòû. Âðîäå âñ¸ ïîíÿòíî è ðàññ÷èòàíî, ôîðìóëû è âñ¸ òàêîå. Íå ïîíÿòíî: ïëîùàäü ïàíåëè íà ÷òî âëèÿåò? Òóïî ÷åì ïàíåëü áóäåò áîëüøå òåì áîëüøå ïîãëîòèò? È âîîáùå êòî ñòðîèë òàêîå, ïîäåëèòåñü âïå÷àòëåíèÿìè. È, äà, ïîïðàâüòå ïîæàëóéñòà åñëè ÿ ÷òî íå òàê ïîíÿë. Ñïàñèáî çà âíèìàíèå. |
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 24.04.2011 20:22 |
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www.ru ÊÍîïêîäàâÂÚ 
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8 (926) 296 61 90 çâÿêíè òóäû òàì òåáå ïîäñêàæóò.. 
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 24.04.2011 20:26 |
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Ïèòåð Ìèêøåð 
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Åñòü ïàíåëüíûé ïîãëîòèòåëü, è åñòü ðåçîíàòîð Ãåëüìãîëüöà. Ïàíåëüíûé ïåðôîðèðîâàííûé ðåçîíàòîð-ïîãëîòèòåëü èì. Ãåëüìãîëüöà - ïëîä íåóìåðåííîãî ïîòðåáëåíèÿ âåùåñòâ. "Òóïî ÷åì ïàíåëü áóäåò áîëüøå òåì áîëüøå ïîãëîòèò?" - òóïî äà! |
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 24.04.2011 21:18 |
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>Åñòü ïàíåëüíûé ïîãëîòèòåëü, è åñòü ðåçîíàòîð Ãåëüìãîëüöà. >Ïàíåëüíûé ïåðôîðèðîâàííûé ðåçîíàòîð-ïîãëîòèòåëü èì. Ãåëüìãîëüöà - ïëîä íåóìåðåííîãî ïîòðåáëåíèÿ âåùåñòâ. Ñêàæè ýòî Àëòîíó, ÌàêÃðîâó è "âñåé îñíîâå þíèòè" â ëèöî, ôîðìàëèñò. >8 (926) 296 61 90 >çâÿêíè òóäû òàì òåáå ïîäñêàæóò.. Çà äåíüãè? |
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 25.04.2011 21:09 |
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Ñàíêò-Ïåòåðáóðã
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>êàê ðàç ïðèõîäÿòñÿ íà 50-400 Ãö >ãäå êàæäàÿ äûðêà(ãîðëî) è ïðîñòðàíñòâî çà íåé îáðàçóþò ðåçîíàòîð âîçáóæäàþùèéñÿ íà îïð. ÷àñòîòàõ Åñëè ÿ ïðàâèëüíî ïîíèìàþ, òî äèàìåòð äûðîê äîëæåí áûòü ñîèçìåðèì ñ 1,5 ìåòðà ïðèìåðíî  Íà ñêîëüêî ÿ çíàþ, ðåçîíàòîð Ãåéìãîëüöà ýôôåêòèâåí íà ñðåäíèõ ÷àñòîòàõ, à íèç èì êàæèñü íå ïðàâÿò. Íî ìîæåò è îøèáàþñü êîíå÷íî 
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 25.04.2011 22:17 |
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>>êàê ðàç ïðèõîäÿòñÿ íà 50-400 Ãö >>ãäå êàæäàÿ äûðêà(ãîðëî) è ïðîñòðàíñòâî çà íåé îáðàçóþò ðåçîíàòîð âîçáóæäàþùèéñÿ íà îïð. ÷àñòîòàõ >Åñëè ÿ ïðàâèëüíî ïîíèìàþ, òî äèàìåòð äûðîê äîëæåí áûòü ñîèçìåðèì ñ 1,5 ìåòðà ïðèìåðíî >Íà ñêîëüêî ÿ çíàþ, ðåçîíàòîð Ãåéìãîëüöà ýôôåêòèâåí íà ñðåäíèõ ÷àñòîòàõ, à íèç èì êàæèñü íå ïðàâÿò. Íî ìîæåò è îøèáàþñü êîíå÷íî Perforated hardboard or plywood panels spaced from the wall constitute a resonant type of sound absorber.12–15 Each hole acts as the neck of a Helmholtz resonator, and the share of the cavity behind “belonging” to that hole is comparable to the cavity of the Helmholtz resonator. In fact, we can view this structure as a host of coupled resonators. Íî ìåíÿ ïðåæäå âñåãî èíòåðåñóåò íå òåðìèíîëîãèÿ, à ïðàêòè÷åñêèé îïûò ïðèìåíåíèÿ. Íî ïîõîæå ÿ òóò íå ïî àäðåñó 
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 25.04.2011 22:34 |
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>Íà ñêîëüêî ÿ çíàþ, ðåçîíàòîð Ãåéìãîëüöà ýôôåêòèâåí íà ñðåäíèõ ÷àñòîòàõ, à íèç èì êàæèñü íå ïðàâÿò. Íî ìîæåò è îøèáàþñü êîíå÷íî Âîò òàáëè÷êà èç êíèãè |
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 25.04.2011 22:40 |
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Ñàíêò-Ïåòåðáóðã
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Íó ñïîðèòü òî÷íî íå áóäó. Íî êàê òî èíòóèòèâíî èñïðàâëÿòü íèç êàæåòñÿ ýôôåêòèâíåå èìåííî ïàíåëüíûìè ïîãëàòèòåëÿìè, à íå Ãåéìãîëüöàìè. Ýòî òîëüêî ìîå ÷àñòíîå ìíåíèå íå ïðåòåíäóþùåå íà èñòèíó. |
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 25.04.2011 22:52 |
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>Íó ñïîðèòü òî÷íî íå áóäó. Íî êàê òî èíòóèòèâíî èñïðàâëÿòü íèç êàæåòñÿ ýôôåêòèâíåå èìåííî ïàíåëüíûìè ïîãëàòèòåëÿìè, à íå Ãåéìãîëüöàìè. >Ýòî òîëüêî ìîå ÷àñòíîå ìíåíèå íå ïðåòåíäóþùåå íà èñòèíó. ò.å. ýòî òàêèìè ñ ìåìáðàíîé? "Ïàíåëüíûé ïîãëîòèòåëü êîíâåðñèîííîãî òèïà ÿâëÿåòñÿ äîñòàòî÷íî ïîïóëÿðíûì ñðåäñòâîì àêóñòè÷åñêîé îáðàáîòêè ìóçûêàëüíûõ êîìíàò áëàãîäàðÿ ïðîñòîé êîíñòðóêöèè è äîâîëüíî øèðîêîìó äèàïàçîíó ïîãëîùåíèÿ â îáëàñòè íèçêèõ ÷àñòîò. Ïàíåëüíûé ïîãëîòèòåëü ïðåäñòàâëÿåò ñîáîé æåñòêèé êàðêàñ-ðåçîíàòîð ñ çàìêíóòûì îáúåìîì âîçäóõà, ãåðìåòè÷íî çàêðûòûé ãèáêîé è ìàññèâíîé ïàíåëüþ (ìåìáðàíîé).  êà÷åñòâå ìàòåðèàëà ìåìáðàíû, îáû÷íî ïðèìåíÿþò ëèñòû ôàíåðû èëè MDF ñ íàêëååííûì ñ âíóòðåííåé ñòîðîíû ñëîåì âèáðîäåìïôèðóþùåãî ìàòåðèàëà. Âî âíóòðåííåå ïðîñòðàíñòâî êàðêàñà ïîìåùàåòñÿ ýôôåêòèâíûé çâóêîïîãëîùàþùèé ìàòåðèàë." acoustic.ua |
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 25.04.2011 23:54 |
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Ñàíêò-Ïåòåðáóðã
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>ò.å. ýòî òàêèìè ñ ìåìáðàíîé? Óãó 
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 26.04.2011 00:04 |
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>>ò.å. ýòî òàêèìè ñ ìåìáðàíîé? >Óãó Îêå, ñïàñèáî. Ïðèíÿë ê ñâåäåíèþ. Áóäó ãóãëèòü è ñ÷èòàòü ) |
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Òåìà: Re: ïåðôîðèðîâàííûé ïàíåëüíûé ðåçîíàòîð-ïîãëîòèòåëü
Âðåìÿ: 26.04.2011 15:30 |
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Ëüâîâ
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íà òîì æå acoustic.ua åñòü âñå ïî ðàññ÷åòó ýòèõ ïàíåëüíûõ ïîãëîòèòåëåé. Óçíàåòå íóæíóþ ÷àñòîòó, óäåëüíûé âåñ ìåìáðàíû, è ðàññ÷èòûâàåòå ãëóáèíó ïîãëîòèòåëÿ. |
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MuzProductionUA
http://vk.com/muzproductionukraine |
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