Zobalo Aneroid: kwisixhobo sokubala womoya

Yintoni Barometer? Eli gama technical kuthiwa isixhobo umlinganiselo womoya. Eyona ngokubanzi kusetyenziswa iintlobo ezimbini barometers. Barometer mercury esetyenziselwa umlinganiselo womoya ngokuyintloko kwizikhululo zemozulu.
Kuyinto nzima, kodwa liyapha mkhulu yokulinganisa ukuchaneka, ngoko izazinzulu anike kuqala kuye. Barometer yale hlobo kokusungulwa kwaye yakhiwa yi-nzulu Italian Evangelista Torricelli ngo-1644. yokusebenza yaso ephambili - wokulungelelanisa selitye mercury kunye yeposi nomoya. Ngenxa eliphezulu lexinene lesigidi column height incinci kakhulu (xa kusithiwa ukuba womoya - 760 mmHg, loo nto ithetha kunye namandla efanayo Sehla umoya emoyeni kwindawo lokulinganisa).

Aneroid Barometer - isixhobo ezimbaxa ngakumbi. Nangona le mbono sixhobo ecetywayo phantse ngaxeshanye kokusungulwa Barometer mercury (wakwenza ISAZINZULU-ngenkulungwane elinesixhenxe efanayo German Gotfrid Leybnits), kodwa ukusebenza nokusebenzisa ingcamango German elikhulu iminyaka emibini kuphela amakhulu. Ngowe-1847, injineli abanetalente French Lucien vidi wadala Barometer aneroid yokuqala yehlabathi. Yintoni na umgaqo osebenza ngayo?

I zobalo igama "aneroid", oko kukuthi anhydrous. Eli binzana wadala ezifana ukugxininisa ukuba sixhobo ayikho ukusetyenziswa akukho fluid, ngokungafaniyo imetyhuri Barometer, apho isiqalelo woluvo i metal ulwelo.
Isiqalelo aneroid Ukuzibona utywinelwe ibhokisi ezenziwe ngezinto incence, apho, xa ukwandisa okanye ukunciphisa uxinzelelo lomoya zixinaniswe kancinane okanye zandiswe. inkqubo ingalo kukhokelela intshukumo utolo, nto leyo ngokukodwa isikali izidanga ebonisa womoya xa ngemilimitha lesigidi.

Kubonakala, nto inzima, yaye aneroid Barometer anokwenziwa kwinqanaba nophuhliso lobugcisa njengoko amaxesha Torricelli naphambi. Kutheni na ukuba yenzeke? Kungenzeka, apha ke wadlala indima yazo zonke izinto ezininzi. Kuqala - kukho ukunqongophala imfuneko into enjalo ngexesha. Enyanisweni, njengoko inzululwazi meteorology ebuntwaneni kunye nokuxhomekeka amancinane kwiiyantlukwano womoya kunye wemozulu waqonda kuphela zizazinzulu ngelo xesha. Ukongeza, mhlawumbi indima edlalwe yi yokusilela efanelekileyo bhokisi incence eziphathekayo (kufuneka abe okubuyela kwimo eyamkelekileyo yaye luya ngexesha lokusebenza elide). Kunye nophuhliso inzululwazi kunye neemeko yokuqala neyesibini akukho kuphinda ukunqanda nokudalwa aneroid.

Emva kokuba kusungulwe Lyuena vidi aneroid Barometer waqalisa ukusasaza ngokukhawuleza izindlu zabucala zokuhlala. Kwakukho nkqu uhlobo fashion: phambi kwesi sixhobo endlwini wagxininisa iwonga zezentlalo nezengqondo-mkhosi. Loo mntu, ngokubhekiselele mihla, kwakusithiwa "phambili".

Njengoko zokwamkelwa metric ngamazwe kwinkqubo (SI), amazwe amaninzi aneroid isikali sezinga iye isikali intw, apho xi babengabonakalisi kuphela omise lesigidi (oku akukho namnye systemic), kodwa Pascals. Kukho isikali we aneroid imivalo. Bar - Kwakhona iyunithi non-nkqubo, malunga elingana umoya mnye. Ngamanye amaxesha umlinganiselo xi bar Kulula ngakumbi kunokuba eemilimitha lesigidi, okanye iiyunithi kwinkqubo.

Noko ke, lo mkhwa yokulinganisa uxinzelelo umoya ngokwendlela omise lesigidi kuye enamandla kakhulu. Nangoku, imozulu ebesiyiqikelele womoya kubonisiwe kula macandelo ezingezo-nkqubo.