FormationSayniska

Waa maxay mayl-badeed iyo waxa gunti?

In buugaagta ee gayanaya iyo adventures, filimada ku saabsan hageyaasha quus, articles ku saabsan mawduuca iyo hadalka juqraafi u dhexeeya ragga baxriyiinta ah badanaa intay daabka dheer "mile badeed". Waa wakhti ay ku ogaado waxa qiyaasta dhererka ee maraakiibta, iyo ragga baxriyiinta ah sababta aan u isticmaali kiiloomitir caadiga ah our.

Waa maxay 1 mayl-badeed?

Markii hore, qiimaha this u dhiganta dhererka 1/60 ee arc degree of goobada on dusha sare ee dhulka la xarunta beegneyd xarunta of meeraha a. In si kale loo dhigo, haddii aan ka fiirsan suusho kasta, mile u nautical waa qiyaastii siman u dhererka hal daqiiqo ah lool. Maxaa yeelay, dhulka waa wax yar ka duwan qaabka kubad fiican, dhererka 1 daqiiqo heerka Meridian tixgeliyo xoogaa kala duwanaan karaan, taas oo ku xidhan lool. Inta badan fog ee ulaha laga gelin lahaa - 1861,6 m, iyo ugu hooseeya ee dhulbaraha -. 1842,9 m Si looga fogaado jahawareer, waxaa la soo jeediyey in la mideeyo dhererka mayl-badeed. saldhig u qaatay cimri 1 daqiiqo at 45º digrii loolka (1852.2 mitir). qeexidda noocan oo kale ah ayaa keentay in waxa uu noqday hal mayl badeed ay fududahay in la xisaabiyo hawlaha navigation. Tusaale ahaan, haddii aad rabto in aad on map-ka si loo cabbiro masaafada of 20 miles, ka dibna waxa ay noqon ku filan si loo qiyaaso ku wareegtaan 20 daqiiqo arc on kasta suusho, map doonaa.

Tan iyo 1954, Mareykanka ayaa bilaabay in ay isticmaalaan mile caalamka nautical (1852 mitir). Her dhaqanka inta badan kor u soo koobay 1800 mitir. Doorshadan rasmiga ah ee cutubkan aan la aqbali. Mararka qaarkood waxaa jira hoos u of «nmi», «nm» ama «nm». By habka, «nm» waa naqshada guud ee nanometer ah. 1/10 mile caalamiga nautical = 1 = 185,2 mitir dhererka cable. A badda 3-mile siman 1 horyaalka. Dalka UK, waxaa inta badan loo isticmaalaa isaga u gaar ah mile nautical waa loo siman yahay si 1853.184 mitir. In 1929, ee Monaco, shir caalami ah u huray in arrimaha kala duwan hydrography, halkaas oo dhererka mile badeed lagu qeexay 1852,00 mitir. Ha illoobin in Mile ee ma aha oo kaliya, laakiin sidoo kale badda dalka. Xaaladdan oo kale, oo dhererkiisu waa 1.151 jeer ka yar ee badda ku jira.

Waa maxay xiriirka ka dhexeeya badda mile iyo Guntin ah?

Mile Marine (mayl-badeed) ama sida ay mararka qaar waxaa loo yaqaan, juqraafi ama navigation, waxaa si balaadhan looga isticmaalaa in juqraafiga, duulista iyo navigation. Tan iyo markii ay si dhow la xiriira fikirka ah shirka badda loo isticmaalo sida qaybta aasaasiga ah ee xawaaraha in shirkadaha maraakiibta. Mid ka mid ah qaybta la mid yahay mid ka mid mile saacadiiba ku safray markabka. Magaca "Guntin" sabab u ah xaqiiqada ah in, in wakhtiyadii hore oo ku saabsan Markabka loo isticmaalaa lagu qiyaaso arakayo xawaare. Waxay ahayd log ama guddiga in qaab reer xagalka ah, kaas oo lagu rakibay load. Noocan oo kale ah drogue noqday lifaaqan lin (sugo), taas oo loo marayo meel fog qaarkood ku xidhan qanjidhada. Hadhi tuureen tuuray, ka dibna muddo xulay of time (15 seconds 1 daqiiqo) waxaa lagu tiriyaa sida qanjidhada biyaha ka tago.

Waxaa jira nooc oo kala duwan oo ku saabsan masaafada u dhexeysa qanjidhada ah. Qaar ka mid ah waxay aaminsan yihiin in waxa ay ahayd 25 feet (7.62 m), iyo haddii ay 15 ilbiriqsi ka tagay mid ka mid ah Guntin, natiijada waxaa lagu heli, hal mayl-badeed (100 ft / min). Sida laga soo xigtay version labaad, kuus kuus xidhan iyada oo 47 feet 3 inches (14.4018 m), iyo tirinta ahaa 28 ilbiriqsi. Xaaladdan oo kale, hal unug oo muujinaysa heerka 101,25 cagaha / min.

Waxaan rajeynayaa haatan aadan ay ku adag tahay in la fahmo eraybixinta badda, iyo mile ka qanjidhada wuxuu noqon doonaa sida cad sida kiiloomitir caadiga ah.

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