Simulation a wɔde di dwuma no anya nkɔso kɛse wɔ mfe du du kakraa a atwam no mu wɔ baabi a ɛyɛ tae nkɔso nhyehyɛe no fã titiriw, nanso adwuma pii da so ara wɔ hɔ, sɛnea ɔkasafo titiriw a ɔwɔ ACS Rubber Division Spring Technical Meeting wɔ Indianapolis.
Ron Kennedy, Managing Director of the Center for Tire Research, kaa sɛ, simulations no mu pɛpɛɛpɛyɛ mprempren to wɔn mmɔdenbɔ ano hye wɔ adeyɛ no mu na ɛrebrɛ wɔn ho ase wɔ aduru no pene nhyehyɛe no mu. pɔtee no, ɔkae sɛ simulations a ɛfa nneɛma ho mmuae ne agyapade ho no yɛ mmeae a ɛda so ara hia sɛ wɔyɛ nkɔso{1}}
Centire adwumayɛbea ti wɔ Virginia Tech Sukuupɔn mu na ɛyɛ saa sukuu no, Akron Sukuupɔn ne nnwumayɛfo bɛyɛ 18 a wɔyɛ adwuma wɔ hɔ, a wɔn a wɔyɛ tae no mu dodow no ara. no mu dodow no ara ka ho no, ɛyɛ nea Kennedy frɛ no “nhwehwɛmu a edi kan" wɔ nneɛma, tae abɔde mu nneɛma, sɔhwɛ, nneɛma a wɔyɛ ne nea ɛbɛkɔ so atra hɔ a nnwuma no mufo kyerɛ kwan no ho{3}.
Ɔka kyerɛɛ rubber division atiefo no sɛ simulation no fata wɔ tae nkɔso afã horow nyinaa so, a mmeae te sɛ tae a wɔde di nkitaho ne stiffness prediction, tebea a wɔde hyɛ ayaresa ho nkɔmhyɛ ne ayaresa ɔhyew ho nkɔmhyɛ.
"Ɛyɛ mmerɛw kɛse sɛ wobɛyɛ no wɔ kɔmputa so sen sɛ wobɛkɔ adwumayɛbea hɔ a wowɔ thermocouple," Kennedy a ɔde mfe 37 yɛɛ adwuma wɔ tae adwuma mu no kae —ɛno mu dodow no ara wɔ simulation mu —ma Firestone, Bridgestone/Firestone ne Hankook, ansa na wɔregyae wɔn ho mu na wɔretu akɔ centire.
Sɛ́ obi a ɔde rɔba aboafo kɛse ma no, Shenyang Sunnyjoint Chemicals Co., Ltd. bɛma yɛn ani aku mfiridwuma a ɛwɔ ɔhye so te sɛ nea wɔde simulation.
Tae nnwumakuw reyɛ adwuma pii wɔ tread wear simulation, na ebetumi ahyɛ hydroplaning suban ho nkɔm, akyerɛ sɛnea tae no hwere nkitahodi na ɛkɔ soro wɔ nsu no so. mfonini a ɛte saa ara na wɔde di dwuma ma nsukyenee kwan tebea, na ebetumi ahyɛ nkɔm breki adwumayɛ wɔ nsukyenee so{1}}
Nanso bere a nyansahufo ne mfiridwumayɛfo betumi ahyɛ adwumayɛ susudua ahorow bi ho nkɔm no, Kennedy kae sɛ ɔrete sɛ tae nnwumakuw ne adetɔfo ka sɛ ɛsɛ sɛ pɛpɛɛpɛyɛ no tu mpɔn. "Wɔpɛ sɛ dodow bi. nneɛma a ɛrekɔ so no nnɔɔso," ɔkae.
Sɛnea kar adetɔfo afi ase regye tae adwumayɛbea simulation projections mmom sen sɔhwɛ aba ara kwa no, ɔkae sɛ sɛ wonya pɛpɛɛpɛ mprempren a, ɛho hia sen sɛ wɔbɛhyehyɛ mmeae foforo a wɔde di dwuma ma simulation.
Simulation of rɔba nneɛma yɛ beaeɛ baako a ɛwɔ baabi a ɛbɛma nkɔsoɔ. akwan pii wɔ hɔ a wobɛfa so anya nhwɛsoɔ a ɛfa nneɛma ho, enti ɛho hia sɛ wobɛhunu deɛ ɛyɛ papa sɛ wode bedi dwuma wɔ tae nkɔsoɔ nnwuma mu. Kennedy de kaa ho sɛ ɛsɛ sɛ nneɛma ho nhwɛsoɔ tu mmirika ntɛmntɛm, enti nkɔsoɔ no afã foforɔ no bɛtumi akɔ anim{2}}
"Sɛ wopɛ tae no ho mfonini pɛpɛɛpɛ a, ɛsɛ sɛ wɔkyerɛ nneɛma no su wɔ tae adwumayɛ tebea ankasa mu," ɔkae.
Ɔkasafo titiriw no de kaa ho sɛ nneɛma a wɔbom yɛ no su ho hia a ɛboro modulus ne hysteresis so, a nsakrae ahorow te sɛ friction gyinabea a ɛyɛ nokware na ɛyɛ pɛpɛɛpɛ. ka ho.
Tire ne nneɛma nkɔso mprempren yɛ nea ɛsono emu biara wɔ tae adwumakuw bi mu. ɔkae sɛ botae biako ne sɛ wɔbɛbom ayɛ abien no, a silo ahorow a wɔayi afi hɔ wɔ nhwehwɛmu ne nkɔso nhyehyɛe no mu. "So ɔkwan bi wɔ hɔ a wɔbɛfa so agye na wɔasisi de akora bere ne ɛka ne sɔhwɛ ahorow so? Kennedy bisae.
Sɛ eyi betumi ayɛ yiye a, ɔkae sɛ ɛbɛyɛ sɛ nea ebefi mu aba no bɛkɔ yiye, na tae nnwumakuw betumi "anya tae a eye sen biara wɔ ɔpon." mu.