Tsarin makamashi na Lorenz

Tsarin makamashi na Lorenz yana bayyana ƙarni, juyawa da ɓacewa makamashi a cikin yaduwar yanayi. An sanya masa suna ne bayan masanin yanayin yanayi Edward N. Lorenz wanda ya yi aiki a kan tsarin lissafi a cikin shekarun 1950. 

 Bayyanawa 

 Gabatarwa 
Duk wani tsarin yaduwar yanayi, ko ƙaramin tsarin yanayi ne ko P_winds" id="mwGg" rel="mw:WikiLink" title="Prevailing winds">tsarin iska mai girma, ana kiyaye shi ta hanyar samar da makamashi. Ci gaban irin wannan tsarin yana buƙatar ko dai sauyawar wasu nau'ikan makamashi zuwa makamashi mai motsi, ko kuma sauya makamashi na wani tsarin zuwa na tsarin ci gaba.[1] A kan sikelin duniya, zagayawar yanayi dole ne ta ɗauki makamashi zuwa tashar, saboda akwai samun makamashi a cikin wurare masu zafi ta hanyar hasken rana mai shigowa da asarar makamashi cikin manyan latitudes ta hanyar fitar da zafi. A ƙananan latitudes, inda Hadley cell ke samun siffar, ana yin jigilar makamashi ta hanyar matsakaicin yaduwar meridional. A tsakiyar latitudes ya bambanta, tasirin siffofin asymmetric, wanda ake kira eddies, ya mamaye matsakaicin gudana. Don bincike mai zurfi, yana da amfani a raba dukkan sigogi (misali P) a cikin ma'aunin yanki (wanda aka nuna ta hanyar layi, misali P) da kuma tashi daga ma'auni na yanki saboda orography, bambance-bambance na ƙasa, tsarin yanayi da duk wani fasalin da ya yi kama da eddy (wanda aka bayyana ta firam, misali P').￼

 Rashin tankuna na makamashi 
Makamashi mai yuwuwa shine adadin makamashi mai iyawa a cikin yanayi wanda za'a iya canza shi zuwa makamashi na motsi. A cikin yanayi mai ɗorewa, ana kimanta ma'aunin makamashi na yanki kamar haka:



inda 

∫ 

A 

d 

V 

{\displaystyle \int _{A}\mathrm {d} V} 

shine cikakkiyar yanayin duniya, ρ0 shine matsakaicin iska, N shine mitar tashi, ma'auni na kwanciyar hankali, Φ shine geopotential kuma z * yana nuna ma'aunin matsin lamba.

Eddy da ake samu makamashi mai yuwuwa P' an kiyasta shi kamar haka:



Zonal-mean K makamashi K an kimanta shi kamar haka:



inda u da v sune sassan yanki da sassan iska.

Eddy kinetic energy K' an kiyasta shi kamar haka:

 K ′    =    ∫    A      ρ    0           u    ′    2      ̄     +      v    ′    2      ̄      2      d    V     {\displaystyle K'=\int _{A}\rho _{0}{\frac {{\overline {u'^{2}}}+{\overline{v'^{1}}}}{2}}\,\mathrm {d} V} 

 Tushen, sinks da jujjuyawar makamashi 
Bayanan Lorenz Energy Cycle an kammala shi ta hanyar tsarin lissafi don samar da makamashi mai yuwuwa ta hanyar dumama ta diabatic, jujjuyawarsa zuwa makamashi ta hanyar motsi na iska da kuma watsar da makamashin motsi ta hanyar rikici. Juyawa na zonal-mean makamashi zuwa eddy makamashi da kuma akasin haka yana yiwuwa inda eddies ke hulɗa tare da matsakaicin kwarara kuma yana motsa iska mai dumi / sanyi.

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