SamuwarKimiyya

Mene ne waterline? iri waterlines

Wannan labarin ya bayyana abin da wani waterline, ga abin da shi ne kuma lokacin da aka fara gabatar da dokar a kan wajibi da yin amfani da daya daga cikin iri.

jirãge

A sosai dogon lokaci da kuma kadai hanya zuwa tafiya mun gwada da azumi jirãge zauna. Hakika, su yi amfani da entailed wani yawan hane-hane, amma shi ya fi dace da mafi aminci zabi kawai bai wanzu ba.

A tsawon lokaci, a lokacin da suke ƙirƙira fiye ko žasa m kewayawa na'urorin, mutane iya tafiya tsakanin nahiyoyi, wanda ya real nasara. A hankali, kamar yadda shipbuilders sun iya inganta zane na ruwa, sun fara compulsorily bayyana alama da waterline. Amma abin da yake da waterline da kuma me ya sa yake dole? A yin haka, za mu fahimci, kuma a cikin wannan labarin.

definition

Wannan kalma ta fito ne daga Dutch harshe, wanda shi ne quite ma'ana. Bayan duk, wannan shi ne abin da mulki wanda ya daya daga cikin na farko, wanda su ne daga high quality na ta rundunar jiragen.

Ruwa Line - a layi a kan abin da lamba surface na har yanzu ruwa daga jirgin ƙwanso da wani iyo jirgin ruwa. Idan wannan lokaci da aka dauke daga ra'ayinsa na zane, daga jirgi, da waterline - a kwance jirgin sama na zane sashe daga cikin gidaje. Saboda haka a yanzu mun san abin da waterline.

iri waterlines

A waterline ne wadannan jinsunan:

  • Sanyata - wani layi da aka dauka a matsayin tushen gina da msar tambayar zane. Bisa na farko lissafin, shi ya nuna da daban-daban na jirgin tonnage.
  • Load line an tsara domin sanin matsakaicin canja drawdown jirgin saboda ya workload. Yawanci, irin wannan waterline daidai da sanyata.
  • Kiyasta nuna daftarin, a kan wanda aka ƙaddara da msar tambayar halaye na jirgin ruwa.
  • A halin yanzu ba a amfani da ƙwanso da wani jirgin, shi ne mai ra'ayi cewa ma'anar yanzu matakin na drawdown na jirgin dangane da workload ko da irin ruwa.

Idan muka magana game da halin yanzu ruwa line, aka ƙaddara dangane da dama dalilai, misali, cikin siffar da ƙwanso, da yawa daga cikin kayan daga abin da aka gina, da nauyi na ruwa da kuma sauran disturbances.

A yankin na waterline za a iya amfani da yin lissafi da coefficient na cikar daga cikin gidaje. Duk da haka, dangane da kaya, da weather, da ruwa yawa da kuma sauran abubuwan, da waterline yanki iya bambanta ƙwarai, kuma tare da shi da yi da kuma jirgin da kwanciyar hankali. Idan muka magana game da tsawon, shi hidima a matsayin mikakke girma a lokacin da kayyade Froude yawan saboda kayayyakin da muhallinsa, da kuma inganta su gudu a ka'idar. Yanzu mun san abin da waterline.

Duk da haka, a mafi cikakken bincika a version daga gare ta, kamar yadda load line.

Plimsoll lamba

A 1890, wani kama da alama ya kasance m a kan duk kasuwanci tasoshin. Ba kamar sauran nau'in na waterline, ta nufi shi ne mafi m rawa.

Gaskiyar ita ce, kafin gabatarwar irin wannan waterline da yawa m jiragen ruwa ya nutse saboda overloading, suka ce bambanci a ruwa yawa, dangane da yankin, kakar, gwargwado da sauran abubuwa. Sa'an nan kaya layi da aka gabatar. Tare da shi, da mutumin da alhakin kaya, calculates da iyakar halatta load a kan jirgin ruwan, dubawa da hanya, yanayin yanayi, ruwa da irin da kuma sauran sigogi. An misali na irin wannan alamomi za a iya gani a kan photo kasa.

Kawai sa, da kaya layi da aka gabatar domin saka idanu da workload da jirgin ruwa, kuma idan ruwa ne kasa da waterline, shi ke nan. Amma kamar yadda aka ambata riga, ya dogara a kan irin ruwa, yanayi da kuma sauran sigogi. A 1890, Birtaniya shige da wata doka a kan wajibi da yin amfani da kaya line.

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