FormationSayniska

Danab - fikradda muhiimka ah ee injineernimada korontada

Koronto - foomka ugu balaadhan looga isticmaalo qofka tamarta. Haddii aan buunbuunin, waxaan dhihi karaa in qeexidda hadda korontada sida electrons amartay noqosho uu si fiican u yaqaan xitaa ka buugaagta physics dugsiga. Laakiin halkan waa waxa danab ka mid ah hadda iyo sida loo bixiyo "dhaqdhaqaaqa habsami leh" ma jawaabayaa qof kasta. Xusuustaa electron ah, hoose lacag korontada laftiisa dhex kaari ma guurto. Dhinaca kale, kaliya dhaqdhaqaaqa eedeeyay weheliyaan silsiladda waxaa la socda fulinta shaqo waxtar leh qaab beddelidda tamarta ka mid ah foomka si kale. Waa kuwaas transformations ee hadda korontada mararka qaarkood glows buuxieyey nal, iyo in kale - isku bedbedeli doono motor rotor ah. Xaaladda hore waxaan leenahay isbadal ah ee tamarta korontada galay kulaylka, iyo labaad - magnetic ah. Energy waxaa qaatay dhaqaaqin eedeeyay ay sabab u tahay isha oo taageera hadda korontada ee Bannaanka. Dhex maraya kaari ah, hadda qaada ilo EMF Tamarta si ay macaamiisha - windings buuxieyey of motor ah, iwm

Haddii aan u qeexaan sida tirada hadda soo oogay dhex maraya kaari ah, waxaa la odhan karaa in shaqada hadda ku xiran yahay lacagta ka mid ah kuwan soo oogay waqti. Iyo waxa go'aaminaya hadda korontada ee wareegga? Tixgeli model ah socodka hadda on tusaale ah ee jet oo biyo ah oo soo saaray ka furitaanka ee hoose ee dhululubo ka buuxiyeen inay hogaanka horyaalka. Ka soo qaad in in our model dhululubo ah - kaari ah, iyo biyaha - waa tiro badan oo ah dhibco ah electrons. Markaas waxaa cad in baxsan halkii unit tiro markii biyo ku xiran tahay laba xuduudaheedu - cadaadis of column biyaha waa in wareeggeedii korontada ah, loo yaqaan danab, dhexroor, kadina iyo - an analog iska caabin korontada. height ee column biyaha ee model ah ee qeexaya awood sare ee ilaha awoodda, soo eedeeyo durdur qoyaanka-sida ee electrons oo ka sare u safraan lakabka hoose. tamarta imaan karta ee mass biyaha, i.e. awood u leh inay qabtaan qaar ka mid ah shaqo waxtar leh oo ku saabsan heerarka sare iyo hoose way kala duwan yihiin. Maaddaama ay farqiga u dhexeeya iman kara biyaha ka duuli karaa godka iyo si isbeddel ah ee tamarta ee column oo biyaha ku shubaa jet biyaha tamarta ogeed. Haddii height of column biyaha si loo kordhiyo, farqiga u iman kara, ama danab, kordho, iyo hadda, ama in ka badan si hufan, cufka iyo Wabiyadan socota halkii unit oo biyo ah mar waxa ay sidoo kale sii kordhaya. Sayidka, model la soo jeediyay ayaa muujinaya si toos ah saamiyeed si ay xoogga hadda danab ku.

In aragtida, wax soo saarka awood this waxaa qoran sida soo socota: waxaan = f (U) * K, halkaas oo aan - hadda, U - danab iyo K - sifo shakhsi ah circuit koronto for marayay jawaab hadda - conductivity ah. farsamada ay inta badan ka shaqeeya laba geesood ah conductivity ee R = 1 / K, iyo waxa loo yaqaan "iska caabin ah". Resistance waxaa badanaa lagu daaweeyaa sida load a circuit waxtar leh. In our model, this "iska caabin ah" meesha daloosha oo u adeegta si ay u daadi biyaha: waaweyn waa, ka sii weyn ay permeability, ama, Afka conductivity korontada, iyo halkan iska caabin socodka biyaha waxaa hoos u dhacay.

model waxaa si cad u arkaa tamarta ka iman kara socodka kharash-qoyaanka waxaa loo beddelaa tamar ogeed ee webigu ku barwaaqaysan. caabin hoose (ama conductivity sare), ka sii weyn shaqada farsamo sameeyo jirka ah ee biyaha. In si kale loo dhigo, noocyada kala duwan ee payloads - a converters DC, sida buuxieyey kuweeda tamarta korontada galay kulaylka iyo iftiin, gariiradda Relay ee kuweeda tamarta korontada galay a magnetic, iwm

waxaan soo laabtay wareeggeedii korontada, gabagabayn kartaa in ay xoog hadda ee aan hadda iyo danab ku U dalabyo korontada go'aaminta shaqo A hadda (A = U * I).

Marka hadda la joogo waxaa lagu go'aamiyaa qaddarka amarka wareejiyo, iyo danab waa sababta kaas oo keena electrons ah "habsami leh" si ka weyn a awoodda yar guurto. Haddii danab ku maqan yahay, ma jirto electrons lacag la'aan ah walax noqonin mid horseeda in dhaqdhaqaaqa eedeeyay. Taas macnaheedu waa in maqnaanshaha danab noqonin mid horseeda in kala iibsiga ee tamarta.

bandhig wanaagsan natiijada yihiin xireenada: waxay dhisaan isticmaalaya farqi heer weyn (ka iman kara) oo biyo ah. Halkan mass biyaha la mid ah hadda, iyo faraqa u ah heerka balliga sare iyo hoose dhacaya kaalin ee kala duwan ka iman kara.

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