Ke (viscosity) o ka wai

Mua, ua kamailio e pili ana i ka waiwai o ka wai, e mea pono e hana me ka manaʻo o ka "wai." Ua mea he maopopo wai, i loko o ka hapanui hihia ole i ke ano waihoʻoluʻu a ala. A hiki ae ka wai i loko o kekahi physical ana, ka mea 'ano apau loa nā mea loaʻa a e haawi ia ia e like me ka hau, he hau (paa moku'āina) a me ka mahu (gaseous moku'āina). Ua Ua manaoio aku i ka mea uhi oi ma mua o 70% o ka ili o ka Honua ma - ka mea,ʻo nā mea a pau ano i keia ano o ka moana a me ka moana, na muliwai, o ic ??, hauneneʻe a me nā hydrological mea.

Wai mea he ikaika'ūheheʻe a ma lalo o maoli aku ana maupaʻa i ka ai iiiaanoaa o ka mea pōhaku paʻakai a me nā kinoea. Inā mākou e kamailio e pili ana i kona physical waiwai, Alaila hoouna koke ae huli mākou noonoo ana i ka mea i ka heheʻe o ka hau maoli kona nuʻa, oiai ma ka 'ē aʻe waiwai like kaʻina Ua like ke ku pono ana.

I ka papa kuhikuhiE hiʻona o ka wai (viscosity). Ma ona iho, ke ikaika - ka hiki mai o kekahi waiwai (ina kinowai, kinoea a paa kino) e i ia'ku i holo o ka particulate mea me ka manao i kekahi i kekahi. Kēia hiʻona i ia i mau ano - bulk a me tangential. Volume (viscosity) - o ka hiki ana o ka waiwai, e hana i ka tensile max. Ua hoike mai ai ia ia iho i loko o ka propagation o ke kani i loko o ka wai, a me ultrasonic nä nalu. Tangential wehewehe aku (viscosity) wai a hiki ako i ke pale aku.

I ka wā i hoʻokolokolo noiʻi ka (viscosity) o ka wai, ka mea i loaʻa i ka ia'ku o ka waiwai ka wā i'ō a hoʻololi ai hilinaʻi nui ma luna o ka mämä holo o ka neʻeʻana mai o (particles) o kekahi papa o ka loli. Inā ka ahu iho la e kolo ana wikiwiki, hana ma ka, ahu iho o ka neʻe mālie, me ka accelerating ikaika ua actuated. Inā a pau Ua like ke ku pono ana, e hoʻomaka e hana i ka ke peleki pāʻana max. Ka luna ana i kuhikuhi i ke tangent i na surfaces o na papa.

E like me ke Newton ka kānāwai i ka haʻilula τ = μ dυ / dn, e like me a ka maloko kū'ē poe mea hapaʻauhau i ka māmā holoʻano piʻina ma ka maʻamau, a me ka hopena wahi. Inā ke kaila frictional pūʻali koa i ka wahi i mea like me ka lōkāhi, laila, ua loaa i ka hoʻopaʻa stress i loko o ka wai i ka mea i hoʻohikiʻia i loko o ka luna haʻilula.

Aia Ua hoi ka manaʻo e like me ka kinematic (viscosity) o ka wai. Ka mea, i koho ia i ka hōʻeuʻeu kaʻi lau waiwai hiʻohiʻona (μ) i ka i koho loli nuʻa (ρ). Ma ka haʻilula keia olelo, e e like penei: ν = μ / ρ.

Ke (viscosity) o ka wai ma kekahi mau mahana hoonohonoho hou ana, a laila kona kaʻi lau waiwai Hawaiʻi emi iho me ka māhuahua ana wela. Penei, ka hōʻeuʻeu (viscosity) i loko o ka wai e e iki okoa mai hou kaʻi lau waiwai. Ma ka helu ana i ka koena unuhi o ka 'inideka, e fluctuate i loko o kahi o 5%.

Kekahi ke kulanakauhale kekahi mau nā papakuhikuhi, akā, ia mea lapuwale, e like me ka papa kuhikuhi mea i ho'ākāka 'ia ma mua. Ke (viscosity) o ka wai ma ka ho'ākāka 'ana ke oko a,ʻaʻole e hōʻike i nā Huiia o aggregation o ka mea. Mauʻikepili mea nui ma ka maunakea a me ka shipbuilding a me kekahi'ē aʻe na hana.

Aia He He hana papa, e hooholo i ka (viscosity) o ka wai ma kekahi ana wela ana. Kēia mea hiki ke hoʻohana 'ia i loko o ole wale kumumanaʻo akā, i loko o nä hana kilokilo. Ka papaʻaina heʻikepili maʻanuʻu o 5 degere, HEN, mai 5 a pau me ka 100 degere, a kōkua ai i nā nui i ke ola o nā kumu i nā haumāna, a i noho.

Kekahi mea nui aiao - ka hōʻeuʻeu kinematic (viscosity) o ka wai, no laila,-kapaia kekona (viscosity) (noi) - mea he ano o volumetric mīkini'opihia deformation. Ua Radio nui i kūlana ma ka attenuation o ke kani a me ka hoemi i ka hawewe ÷ la.