Wobaya Nkwaom ɔfsamemadwumaHo

application tebea horow .

1. keteke kwan so wosow a wɔatew ho – ɛtew vibration transmission a ɛnam keteke dwumadi so ba no so .

2. nkurow akɛse mu keteke akwantu – ɛma akwantufo a wɔte kar so ahotɔ yɛ kɛse .

3. keteke kwan a ɛkɔ ntɛmntɛm – brɛ ɔbrɛ a ɛsɛe wɔ track structures mu no so tew .

4. vibration control ma track bridges ne tunnels – ahobanbɔ a ɛbɛn adan ne nneɛma a wɔde yɛ adwuma .

aguade ho nkyerɛkyerɛmu .

saa isolator yi de **local resonance mechanism a ɛwɔ phononic crystals** no di dwuma de hwɛ elastic waves a ɛtrɛw wɔ keteke kwan so no so pɛpɛɛpɛ. ɛyɛ **>18db insertion loss** wɔ 20–200hz frequency band no nyinaa so, de broadband vibration isolation a etu mpɔn kɛse ma. sɛ wɔde toto atetesɛm mu steel-spring floating slab nhyehyɛe ho a, ɛma nkɔso a ɛkɔ **50% wɔ vibration reduction** mu bere a eyi spring breakage asiane ahorow no fi hɔ koraa —a ɛma awo ntoatoaso a edi hɔ ano aduru a ɛka adwumayɛ a ɛkorɔn bom ne ahobammɔ ho haw biara mma keteke wosow a wɔde brɛ ase no.

aguade no dwumadi .

broadband asorɔkye sohwɛ:

mpɔtam hɔ resonance units trɛw elastic wave bandgap range no mu, titiriw no ɛhyɛ 20-200hz main vibration frequency band a ɛwɔ tracks no so.

metamaterial nhyehyeɛ ma vibration isolation efficiency ma ɛboro (18db, a 40% nkɔsoɔ wɔ high-frequency dede reduction adwumayɛ mu.

ahobanbɔ ho nhyehyɛe a ɛwɔ mu:

all-solid-state non-metallic resonators no yi asiane a ɛwɔ hɔ sɛ wɔbɛbrɛ metal spring ahorow no mu abubu no fi hɔ, na ɛtew ɛka a wɔbɔ wɔ nsiesie ho no so 90%.

modular pre-installed units no boa ma wɔsesa ntɛm, ɛtew bere a wɔde yɛ adwuma no so 80%.

nneɛma a atwa yɛn ho ahyia a ɛma ɛyɛ adwuma yiye:

bandgap stability (95% wɔ ɔhyew a ɛyɛ -20°c~80°c mu, a ɛko tia freeze-thaw/thermal ntrɛwmu nsunsuanso.

salt spray resistance rating :1000h (iso 9227), a ɛfata ma mpoano/tunnel a ɛyɛ nwini a atwa yɛn ho ahyia.

wɔde nyansa yɛ adwuma ne nsiesie a nyansa wom na ɛma ho kwan:

wireless monitoring of resonance unit status ma wotumi di dijitaal twin sohwɛ ho dwuma wɔ vibration suppression efficiency ho.

adwumayɛ ho nkyerɛkyerɛmu .

mfiridwuma titiriw: phononic crystal local resonance nhyehyɛe .

vibration isolation adwumayɛ: nneɛma a wɔde hyɛ mu a ɛyera (18db (en 15461 sɔhwɛ gyinapɛn) .

frequency bandwidth a etu mpɔn: 20-200hz elastic wave bandgap control .

mfiridwuma mu nkwa nna: .mfe 30 (ɔpepem 100 a ɛyɛ adesoa a ɛyɛ nnam) .

ɔhyew a ɛwɔ hɔ: -20°c ~ 80°c (bandgap mpɛn dodow a ɛkɔ fam ≤3%) .

adesoa tumi: ≥300kn/m2 vertical bearing tumi .

beae a wɔde akwammisa krataa kɔ .

urban metro: vibration-sensitive areas of tunnel section tracks (wɔ ayaresabea ahorow ase no, aduruyɛdan ahorow) .

keteke kwan a ɛkɔ ntɛmntɛm: resonance asiane ano a wosiw ne ne sohwɛ wɔ bridge afã horow .

nneɛma a wɔyɛ no pɛpɛɛpɛ: nneɛma a atwa yɛn ho ahyia ho banbɔ a ɛyɛ komm ma chip factories/optical laboratories a ɛbɛn tracks .

aduruyɛbea ahorow: nnwinnade te sɛ mri ho ban a wɔbɔ tia micro-vibration interference .

nnwuma a wɔyɛ no foforo: ahobammɔ a wɔbɛma ayɛ yiye na wɔde asi dade spring a ɛsensɛn nsu so a ɛwɔ hɔ dedaw no ananmu .