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Yadda Na'urin Aiki na Sound Barrier Ya Differ Da Acrylic da Polycarbonate
Mass Law, Stiffness, da Damping: Muna Kayan Aiki Physics Tumtumbe STC Nau'ikan
Idan muka duba ma'auni na klasin samun sauti (STC), zamu ga wuchiyar amfani da akarik, da polikarbonet su yasa su yi hali daban-daban a matsayin alamar sauti base don siffofin fisikalonsu. Ga fatanin girmama, abubuwa mai girma taushe suna kullewa sauti babu mafita. Amma akwai wasu abubuwa guda uku. Akarik tana da kyaukyautu wanda ke taimaka wajen inganta ma'auni STC idan aka tsaya shi, amma yanzu tsaro its harsha ya haifar da batutuwa a cikin wasu yanayi. Na farko a tsakanin 500 zuwa 2000 Hz, samun sauti akan akarik zai iya ragewa har zuwa 15 dB saboda batutuwan rumbun rumbun. Polikarbonet yana aiki kyau nan yayin da ke tsarin kullewa. Wanda ya kare polikarbonet kyaukatace shine yadda tsarin jigi-jiginsa ke ba da damar canza rashin girma zuwa saukin karfi, kamar yadda ya nuna a sautoci mai girma mai ƙaranci ne 500 Hz. Bayyanno yana nuna wanda ya kulle sautoci mai girma kyaukar 30% karfi duk da akarik mai girma mai tsauri. Dabar kashe kuma yana da mahimmanci don amincewar amincewa. Akarik zai iya raguwa sau sau a lokacin da aka shigar da shi ko idan aka hada da canjin girma a lokaci, wanda zai iya kullewa amincewar kullewa sauti. Amma polikarbonet yana barin kashe, yana barin amincewar kullewa sauti kamar yadda ya kamata, kamar yadda ya nuna a shigarwa inda amincewar kullewa sauti butsu amincewa.
Lab da Ma'aikata STC Ratings: Me Zaka Mai Haɗin Kifiɗin Kifi ya Fada Kyakkyawan Aiki
Sakamakon gwajin STC na dakin gwaje-gwaje yana nuna kyakkyawan kyakkyawan hoto game da aikin da ake yi, yawanci yana nuna kimanin maki 5 zuwa 10 sama da abin da ke faruwa a cikin yanayin duniya na ainihi. Wannan yana faruwa ne saboda akwai koyaushe waɗannan hanyoyi masu ban sha'awa a cikin aikin da ke kusa da windows windows, akwatunan lantarki, haɗin bango mara kyau da sauransu. Allon acrylic yana buƙatar cikakken shigarwa ba tare da rata ba. Ko da ƙananan kurakurai yayin shigarwa na iya haifar da ɓarkewar iska wanda ke rage ƙimar STC mai tasiri har zuwa 20% lokacin da aka girka a cikin gine-gine. Polycarbonate yana ba da wani abu daban duk da cewa yanayin sassauci yana ba shi damar aiki da kyau koda kuwa farfajiyar ba cikakke ba ce. Wannan yana taimakawa wajen kiyaye waɗannan mahimman rufin sauti, don haka yawancin darajar STC daga gwaje-gwajen dakin gwaje-gwaje a zahiri ana fassara su zuwa aikin duniya na ainihi, yawanci riƙewa sama da 90% na ƙimar asali. Amfanin yana da yawa a wuraren da yanayin zafi yake canjawa a kai a kai. Acrylic yana fadadawa da kuma raguwa da yawa tare da canje-canje na zafin jiki (kimanin 7 x 10 ^ -5 a kowace digiri Celsius), samar da sababbin hanyoyin da za a iya samun lokaci. Polycarbonate baya fadada sosai (kimanin 6.8 x 10 ^ -5 a kowace digiri) kuma yana da tsayayyen isa don kiyaye amincin hatiminsa. Wannan ya sa polycarbonate shine mafi kyawun zaɓi don aikace-aikacen inda kula da sauti ya fi mahimmanci, kamar asibitoci da ke buƙatar sirrin marasa lafiya ko ɗakunan rikodin ƙwararru inda rage yawan amo ya zama dole. Duk da irin wannan lambobi a takarda, polycarbonate yana aiki mafi kyau a cikin ainihin kayan aiki.
Akirilik Kamar Taliyin Kwatanta: Fuskoki, Iyakoki, da Maɓallin Alama
Kwatantun Resonance da Iyakokin Kwana Tsakanin Tsarin Acrylic
Tsawon akirilik yana ba da matsala mai mahimmanci game da kwatanta: tana iya inganta kwatantun resonance tsakanin 1000 da 2000 Hz, wajen da kyautuwar yadda muke fahimci rubutun yabo tana tsaki sosai. Alajar da ke ƙarfi masu inganta kwararar kwatanta su yi haka akirilik. Suna kwararar kwatanta har ma ba su sauya. Akirilik kuma tana sauya su mai kyau, wanda zai iya raguwa STC ratings sai 15 dB a cikin wadannan tsawonin resonant dibé suka dace da sauran tsawonin kwana. Wannan iyakokin tsarin yana sa itace matsin kai tsaye a lokuta na yabo ko ofisar maki, ko da yaushe alaƙaƙen kwana taƙaita suka kama. Yadda akirilik tana aiki yana dabe da halin halayen da takaice. Tana aiki mai kyau a cikin alamar da tsawonin kwana a tsakiyar ba su mahimmanci don koyaushe.
Ida Acrylic Ya Aiki: Farkake Na Office Na Urban Sai STC 32—36
Acrylic yana da kyau don wani yanayi mai zanga-zangan da ke da tsauraran, kusurwar kudaden da sauri, da sauriyar biyan kuɗi. Yana da maƙalilin da ke furta farkaken office na urban suna nuna STC 32—36, musamman ida:
- Zangarorin da ke da high-frequency suna tare (misali: zanguwa mai tsaye, shirye-shiryen HVAC)
- Haɓakar hankali da zuwa ga candalin rana (92%) taushe ne akan kuskuren rubuta
- Kudaden kuɗi sun kara kuskure kan amfani da alkaruƙan ko horojon alkaruƙan wasu
Bayanan da aka kula da dukaun gida mai amfani da buroolin da aka nuna cikin yanayin fara, yana nuna cewa 6mm thick acrylic partitions zasaa hadza girman idanin hany daga ~65 dB zuwa tsakanin 45 da 50 dB a wajen buroolin da ke karkashin gida. Wannan hadaba ya seeme da gaske ga kowane ayyukan kwanan wata ba tare da sauya shi ne sai dai yana haifa hankali ga ma'aiki. Acrylic zai sami sarari kan kwallon garba a karkashin tasowa, amma akwai ilimi. Babu kyau a wadanda yanayin da ke da yawa na sound transmission class above 40 don kare talk with privacy. Don wadannan abubuwan challange acoustic, masu siyarwa suna bukatar canzawa zuwa polycarbonate laminates satura suna dauki da basic acrylic solutions.
Polycarbonate azaman High-Performance Sound Barrier: Impact Resistance Yana Makama da Acoustic Control
Damping Coefficient Mai Tsauri da Abubuwan Mai Kyau na Low-Frequency Attenuation
Tsarin kwayoyin polycarbonate yana ba shi damar shawo kan hargitsi. Zai iya ɗaukar kusan sau 250 na ƙarfin tasiri idan aka kwatanta da gilashin yau da kullun kuma yana rage waɗannan rawar jiki na tsarin da muke ƙi. Idan aka zo ga yadda yake sarrafa sauti, wannan kayan yana haskakawa sosai. Abubuwan da ke rage sauti suna aiki da ban mamaki wajen kawar da amo a ƙarƙashin mita 500 Hz, wanda shine ainihin inda kayan acrylic ke da mummunan lalacewa. Ka ɗauki daidaitaccen panel mai kaurin 6mm wanda aka yi daga polycarbonate kuma yana toshe kusan decibels 29 na yawan hayaniya na gaba ɗaya bisa ga ƙimar STC. Me ya sa wannan kayan yake da kyau a wajen injiniyoyi? Ban da shafan abubuwa da kuma rage hayaniya, polycarbonate yana da ƙarfi ko da yanayin zafi ya yi canji sosai. Wannan haɗin fasalulluka ya bayyana dalilin da ya sa masana'antun da yawa suka zaɓa shi don yanayi mai wuya kamar gidajen kayan aiki na masana'antu, ganuwar tashar jirgin ƙasa mai aiki, da shingen amo na babbar hanya inda duka tsawon rai da aiki mai hankali suna da mahimmanci.
Laminates Na Yaukuna: Tsarin Bude Na Taushe Don Takaddara Mai Lahira
Laminates na polycarbonate na multi wall sun zama abubuwa mai amfani da yawa ga ayyukan sauya wanda ke bukata STC 35+. Sirri yake cikin wadannan shigarwar gudu a tsakanin layers wanda ke yi wa sauyi a tsarin sauyi ta hanyar da ba su iya yi kamar wadannan panels mai tsauri. Misali na ginya na tafiya: tsarin 16mm na triple wall ke kare sauyin tafiya ta hanyar 21 dB kuma yana tsammanin gishirin da ke fito daga kwallo. Daga ilimin ƙirar tushen, laminates na kwallo yana ba da abubuwa guda. Yana kare sauyi kuma yana ba da alheri mai sauƙi ba tare da duk wadannan matsalolin da ke tsaye da glass na yau da kullun game da thermal bridges da matsalolin condensation. Abin da ya fara fuskanta shine yadda wadannan kayayyaki sun tsammanin ayyuka suwa koda haka yana canzawa daga -40 daraja Celsius zuwa 120 daraja Celsius. Muna ganin wannan aikin kusan kusan a cikin sarayen Europe wanda yana iya kare aikin sauyi kamar yadda yake a cikin kwanan wata.
Tambayoyi Masu Yawan Faruwa
Wanne shi ne farko a tsarin kare wa kama da samun kwalitun kwana bayan kuskuren kwana tsakanin acrylic da polycarbonate?
Acrylic yana nuna kama da kuskuren kwana tsakanin wasu kwana, yayin da polycarbonate yana kare wa kama da kuskuren kwana, kuma yana yi wuya a kare wa kama da kuskuren kwana mai kwalitun zafi.
Mene ne saboda STC lab yana daban daga tsarin a cikin yanki?
STC lab yana nuna kwalitun mai zurfi saboda shirin halayyin mai zurfi. Tsarin a cikin yanki yana farko da abubuwa kamar kuskuren shirin, wanda ke kare wa kama da STC actual.
Wanne ne yankuna masu amfani da acrylic da polycarbonate?
Acrylic yana da kyau ga yankuna masu kuskuren kwana mai zurfi wanda yana nuna kama da kuskuren kwana da kudaden kudi. Polycarbonate yana da kyau ga yankuna masu bukatar kare wa kama da kuskuren kwana mai kwalitun zafi, kamar masallaci ko studio.