Nkawom Nnɛyi mfiridwuma adan a ɛtra hɔ kyɛ—efi ahunmu nneɛma a ɛde mmirika kɛse so kosi mfiridwuma mu turbine akɛse so—no yɛ nea tumi a aniwa nhu a efi mfiri wosow mu no to asiane mu bere nyinaa. Sɛ wɔde ade bi hyɛ nhyɛso kyinhyia ahorow mu mpɛn pii a, mpaapaemu nketenkete fi ase ba, na awiei koraa no ɛde ɔhaw kɛse ba ne nhyehyɛe mu, adeyɛ a wɔfrɛ no ɔbrɛ. Nea ɛbɛyɛ na wɔako atia eyi no, nneɛma ho nyansahu akɔ akyiri asen aduru a ɛyɛ den a ɛnyɛ den a wɔde afrafra nneɛma mu de agye abɔde mu nneɛma ho nimdeɛ a ɛyɛ nwonwa a ɛwɔ... sandwich nneɛma a ɛyɛ viscoelastic a ɛyɛ den kɛse . Saa ade titiriw a wɔde afrafra yi yɛ ade titiriw a wɔde bɔ wɔn ho ban, na ɛtwetwe ahoɔden a ɛtwetwe ade a anka ɛbɛtetew ɔdan bi mu afi mu akɔ akyi no.
Abɔde mu Nneɛma a Ɛma Ahoɔden a Wɔsɛe no wɔ High-Damping Viscoelastic Sandwich Material mu
Nea ɛwɔ nhyehyɛe a wɔkora so no mu titiriw ne molecule nneyɛe soronko a ɛne viscoelasticity. Nea ɛnte sɛ nneɛma a ɛyɛ den ara kwa a ɛkora ahoɔden so na ɛsan ba (te sɛ ahohuru bere) anaa nneɛma a ɛyɛ nnam ara kwa a ɛsen wɔ nhyɛso ase (te sɛ ɛwo), a sandwich nneɛma a ɛyɛ viscoelastic a ɛyɛ den kɛse ɔwɔ "nkae" a ɛma ɛma ahoɔden sɛe sɛ ɔhyew. Sɛ ɔdan no fã bi wosow a, wɔde viscoelastic layer a ɛwɔ sandwich no mu no hyɛ shear strain ase. Esiane sɛ polymer nkɔnsɔnkɔnsɔn no yɛ molecule nti, ɛtwetwe wɔn ho wɔn ho, na ɛma emu ntɔkwaw ba.
Saa emu akasakasa yi ne ade titiriw a ɛma ɔbrɛ so tew. Ɛdenam mfiri ahoɔden a ɛwosow no a ɛdannan ma ɛbɛyɛ ɔhyew ahoɔden a wontumi mmu ani ngu so so no, sandwich ade no siw resonant peaks a ɛbɛboaboa ano no ano. Wɔ atetesɛm mu nneɛma a ɛyɛ monolithic mu no, saa peaks yi ma nhyɛso yɛ kɛse wɔ frequency pɔtee bi mu, na ɛma "adwuma a ɛyɛ den" na awiei koraa no dade no mu paapae no yɛ ntɛmntɛm. Viscoelastic core a wɔde ka bom no hwɛ hu sɛ ahoɔden no "yi mogya" ansa na atumi adu mmeae a ɛho hia, na ɛbɔ structure skins no ho ban yiye fi resonance tumi a ɛsɛe ade no ho.
Adesoa a Wɔkyekyɛ no Nkɔanim denam Structural Composite Vibration Damping Plate no so
Wɔ nneɛma a emu yɛ duru te sɛ po so hyɛn gyinabea anaa keteke kwan so abɔnten so akwan a wɔde gyina so mu no, damping ntumi nyɛ ade a wosusuw akyi; ɛsɛ sɛ ɛyɛ nhyehyɛe mu adesoa kwan no fã. Eyi ne dwuma titiriw a structure composite wosow damping mprɛte . Wɔayɛ saa mprɛte yi sɛnea ɛbɛyɛ a ɛbɛkɔ so akura tensile ne compressive ahoɔden a ɛkorɔn mu bere a ɛde emu damping su ahorow ma no. Ɛdenam nhama a ahoɔden wom kɛse—te sɛ carbon anaa aramid—a wɔpam yɛ matrix a nea ɛka ho ne damping resins so no, mfiridwumayɛfo yɛ ade bi a ɛyɛ kyɛm ne nnompe nyinaa.
No structure composite wosow damping mprɛte yɛ adwuma denam adesoa a ɛwosow a wɔkyekyɛ wɔ asase ani a ɛtrɛw so. Wɔ dade mprɛte a wɔahyɛ da ayɛ mu no, wosow taa ba baabi wɔ nkwaa, nneɛma a wɔde kyekyere nneɛma, anaa weld ahorow so, na ɛma "mmeae a ɛyɛ hyew" ba ma ɔbrɛ a entumi nyɛ adwuma yiye. Sɛnea saa damping mprɛte yi yɛ afrafra no ma ahoɔden no trɛw fa fiber network no mu, baabi a damping matrix no twa no. Saa wiase nyinaa kwan a wɔfa so di ahoɔden ho dwuma yi hwɛ hu sɛ ɔdan no fã biako biara nni hɔ a ɛbɛsoa mfiridwuma mu nhyɛso no nyinaa, na ɛtrɛw bere a ɛda nsiesie kyinhyia ahorow ntam no mu kɛse na ɛtew ɛka a wɔbɔ wɔ nneɛma akɛse a wɔde yɛ adwuma ho nyinaa so.
Pɛpɛɛpɛ Isolation denam Multilayer High-Damping Vibration Damper so
Bere a mprɛte akɛse di adesoa a ɛwɔ ɔdan no mu ho dwuma no, mfiri a wɔde yɛ nneɛma pɛpɛɛpɛ hwehwɛ sɛ wɔfa ɔkwan a wɔde wɔn ani asi so kɛse so de tew wɔn ho fi afoforo ho. No multilayer a ɛkorɔn-damping wosow damper yɛ ano aduru a ɛyɛ ketewaa a ɛyɛ adwuma yiye a wɔayɛ sɛ ɛbɛma nneɛma a ɛyɛ mmerɛw afi dede a ɛyɛ den ne jitter mu. Wɔtaa de saa dampers yi di dwuma wɔ semiconductor adwumayɛ mu, aduruyɛ mu mfoninitwa, ne mfiri a wɔde tie nneɛma a ɛyɛ nokware kɛse mu, baabi a micron biako mpo betumi ama data ayera anaasɛ mfiri mu mfomso aba.
A multilayer a ɛkorɔn-damping wosow damper ɛyɛ adwuma wɔ nnyinasosɛm a ɛne sɛ impedance nhyia so. Ɛdenam ntoatoaso a ɛsono ne kɛse ne nea ɛyɛ den a wɔde boaboa ano so no, damper no ma ɔkwan a ɛyɛ den ma wosow fa so. Bere a asorɔkye a ɛwosow fa ntoatoaso no mu no, ɛsɛ sɛ ɛtwam ntam, na wɔayɛ emu biara sɛnea ɛbɛyɛ a ɛbɛda ahoɔden no fã bi asan anaasɛ ɛbɛtwe no denam viscoelastic shear so. Saa "labyrinth" yi ma kinetic ahoɔden hwɛ hu sɛ ɛkame ayɛ sɛ damper no output fã no kɔ so yɛ komm, na ɛbɔ sub-assemblies a ɛyɛ mmerɛw ho ban fi ɔbrɛ a ɛma onwini fans, motors, anaa abɔnten nneɛma a atwa yɛn ho ahyia no wosow ho.
Na Holistic Ahobammɔ a Multi-layer High Damping Shockproof Ano aduru
Wɔ mmeae a emu yɛ den—te sɛ asraafo kar a ɛnyɛ kwan so anaasɛ kar a wɔde tow hyɛn mu—no, wosow no taa de ahodwiriw a ano yɛ den mpofirim ka ho. Standard damping nneɛma taa "bottom out" bere a shock event, hwere wɔn mmɔdenbɔ pɛpɛɛpɛ bere a wohia kɛse. Eyi ne baabi a multi-layer a ɛkorɔn damping shockproof ano aduru ahorow kyerɛ sɛ ɛsom bo. Wɔayɛ saa nhyehyɛe ahorow yi sɛnea ɛbɛyɛ a "ɛnyɛ linear," a ɛkyerɛ sɛ wɔn ahoɔden a ɛko tia no kɔ soro bere a tumi a ɛwɔ nkɛntɛnso no mu no nyin no.
"Shockproof" afã a ɛwɔ a multi-layer a ɛkorɔn damping shockproof nhyiam no nam ɔkwan a wɔfa so de nsu a ɛyɛ mmerɛw a ɛtwetwe ahoɔden ne elastomers a ɛyɛ den a ɛsoa adesoa a wɔde hyehyɛ mu no so na ɛba. Bere a wɔreyɛ adwuma sɛnea ɛsɛ no, ntoatoaso a ɛyɛ mmerɛw no di wosow a ɛba fam ho dwuma na amma ɔbrɛ a ɛtra hɔ kyɛ no. Bere a ahodwiriw bi asi no, ntoatoaso a ɛyɛ den no de wɔn ho hyɛ mu na amma ɔdan no antumi ankɔ ne mfiri anohyeto ahorow mu. Saa ahobammɔ a ɛwɔ afã horow pii yi hwɛ hu sɛ ɔdan no nya nkwa wɔ nkɛntɛnso a ɛba ntɛm ara no mu bere a ɛsan nso siw "ringing" a ɛkɔ soro a edi ahodwiriw akyi, a ɛtaa yɛ ade a ahintaw a ɛboa ma ɔbrɛ a ɛkɔ ntɛmntɛm wɔ ɛlɛtrɔnik afiri a wɔde abɔ ne wimhyɛn mu no ano.
Multilayer High-Damping Wosow Damper a Ɛyɛ Fɛ : Daakye Nneɛma Foforo a Wɔbɛyɛ wɔ Viscoelastic Material Science mu
Nkɔso a ɛbae wɔ sandwich nneɛma a ɛyɛ viscoelastic a ɛyɛ den kɛse rekɔ ahemman a "active" ne "smart" composites. Mprempren nhwehwɛmufo rehwehwɛ sɛnea wɔde piezoelectric nhama bɛka... structure composite wosow damping mprɛte . Saa nhama yi betumi ama anyinam ahoɔden aba bere a ɛnam wosow so asɛe no, na afei wobetumi de adi dwuma de anya ahoɔden wɔ sensor ahorow a ɛhwɛ nneɛma no nhyehyɛe akwahosan so wɔ bere ankasa mu. Eyi ma wɔyɛ nhyehyɛe bi a "ɛtumi hu ne ho" a ebetumi abɔ mfiridwumayɛfo kɔkɔ wɔ ɔbrɛ a efi ase ho ansa na wɔde aniwa ahu.
Bio nso, nneɛma a atwa yɛn ho ahyia a saa nneɛma yi nya wɔ nneɛma a atwa yɛn ho ahyia so no yɛ ade a nnwuma no de wɔn adwene asi so kɛse. Awo ntoatoaso a edi hɔ no multilayer a ɛkorɔn-damping wosow damper wɔde polymers a wɔasan de adi dwuma ne bio-based resins a ɛma viscoelastic adwumayɛ koro no ara a carbon footprint a ɛwɔ atetesɛm mu nneɛma a wɔde petroleum ayɛ mu no reyɛ no. Ɛdenam nneɛma a ɛtra hɔ daa yi molecule geometry a wɔreyɛ no yiye so no, wɔn a wɔyɛ no renya damping ratios a ɛkorɔn bere a wɔde nneɛma a ɛyɛ den nyinaa nni dwuma pii no, na ɛboa ma wiase nyinaa piapia mfiridwuma a emu yɛ hare na ɛmma ahoɔden pii.
Nnɛyi mfiridwuma adan a ɛtra hɔ kyɛ—efi ahunmu nneɛma a ɛde mmirika kɛse so kosi mfiridwuma mu turbine akɛse so—no yɛ nea tumi a aniwa nhu a efi mfiri wosow mu no to asiane mu bere nyinaa.
