Yadda yin lissafi da surface yankin na bututu

Kalmar "tube surface yankin" mana lissafi zama m lokacin shigarwa da kuma gina. Label Paint gwangwani qunshi wani kai tsaye, ko kai tsaye ba bayani game da kayan amfani da 1 square mita na surface.

Lissafi na da quadrature surface na kasa, ganuwar da kuma kofofin da aka yi da halitta da tsawon da nisa daga cikin abu. Aunawa tef size dakunan ba da amfani bayanai ga master sarrafa kwamfuta.

Amma baya rectangular saman a cikin cibiyar sadarwa na gida summed ruwa, zafi da gas. Ƙayyade kudi ayyuka a karkashin sunan "zanen bututu" Za lissafi surface area.

Ina zuwa nema uku-girma ƙarfe abubuwa

A Rasha bututu samar da shida azuzuwan:

samfurin aji	fanni na aikace-aikace
1	Sufuri da na ruwa da kuma iskar gas a low matsa lamba. Production na karin Tsarin cikin shiri.
2	Shari gas da ruwa a karkashin babban matsin da low matsa lamba
3	Tying aggregates da yanayin da aiki a high zafin jiki da kuma matsa lamba
4	Zabuka hakowa jihar Kano a cikin man filin
5	Qazanta abubuwa zane na motoci, kekunan shanun, cranes
6	Billet sassa injiniya masana'antu: karba, bearings, Silinda injectors.

Production daga karfe kayayyakin da roba, kankare da PVC. Lokacin da kashi 90 cikin dari na kayan Diversity injiniya zayyanawa ga nassi na ruwa, iskar gas da kuma zafi na karfe sanya a Rasha. Metal bukatar kariya a kan lalata. Don lissafi da adadin m shafi ne da lissafi na surface yankin na tube.

Aikace-aikace lissafi dabara

Bayani game da squaring da matsanancin surface na madauwari siffofi ana buƙatar designers, yawa surveyors, installers da kuma sana'a rigakafin kuma gyara daga kayan aiki, misali, a lokacin da warware matsaloli:

1. bigiren da thermal makamashi tsarin "dumi benaye" ko radiators.

2. jiki rasa a lokacin kai daga bayarwa nufi ga networks na kan iyaka.

3. A Naira Miliyan Xari da halin kaka daga karfe lalata kariya. Akwati abubuwa rufi da bituminous Paint da varnish. A daidai lissafi na yankin za su hana ƙi yin amfani da fenti.

4. Yawan da darajar da insulating abu. Alal misali, da nisa daga da yawa zuwa ga gidaje shiri CHP ne 2 kilomita. A tsawon daga cikin gidaje Estate - uku kilomita. Total 5 kilomita kashin networks bukatar rufi. A yankin da za a lasafta ba tare da kuka da kansa kashe kudi kudi domin sayan ma'adinai ulu, fiberglass da aluminum tsare.

Ciki bututu ba launi, kuma kada ku ware. Amma ka san ciki yanki ne zama dole yin lissafi da ruwa gudu. Babban ruwa bututu diamita 1.4 m ruwa gogayya a ciki bango za a iya bari. Amma a kan Tsarin tare da diamita na 20-30 cm bayan shekaru 10 na aiki, gyarawa adibas na gishiri. Lalata worsens da yanayin ciki ganuwar, cikin kudi na ruwa ya kwarara da aka rage.

cylindrical zane

Saba look ƙetare haddi - a Silinda da guda diamita a farko da kuma karshen. Lissafi na yankin na bututu surface for zanen da thermal rufi ciyar wajen tunani sawn tare da tsari, mun samu wani murabba'i mai dari da wadannan sigogi:

T - tsawon adadi, sunã daidaita da samfurin tsawon.

W - da nisa daga cikin Figures, daidai circumferential tsawon linings.

A tsawon aka auna, da diamita D aka alama a kafu daram tawada bututu karshen ko stigma.

A karkara na Silinda aka lasafta ta halitta da diamita D for "PI" m. Yawan "PI" zai kai har zuwa biyar gidan goma wuraren 3,14159. Mun sami wuri P na cylindrical tube.

P = T W *

P = 3,14159 * D * T

Domin line tsawon 5 km da diamita na 1.0 m bukatar fenti yankin

3,14159 * 1,0 * 5000 = 15708 sq.m.

A sha'awar karatu zai iya haifar da wani lantarki ãyã a cikin Excel shirin yin lissafi da yankin na launi daga cikin bututu, don haka kamar yadda ba don samun kullum kalkuleta.

Daki-daki a cikin wani nau'i na truncated mazugi

Bututu ana amfani ba kawai madauwari giciye-kashi, amma rectangular ko m, a giciye-sashe. Girma daya karshen iya bambanta daga sigogi na biyu karshen, misali, a cikin wani bututu a cikin wani nau'i na truncated mazugi. Wani misali da wani truncated mazugi alama al'ada guga. Kasa diamita karami fiye da diamita a saman da guga.

Kimiyya lissafi da kuma a nan ya zo da ceto. A misali dabara ga surface yankin na tube a cikin wani nau'i na truncated mazugi ne kamar haka:

P = 3.14159 * (P + P) * T, inda

N - da ake so surface yankin.

R - da radius daga cikin ya fi girma diamita.

r - da radius daga cikin karami diamita.

T - da tsawon da samfurin.

Radius - shi ne rabin diamita. Ka tuna cewa a iyakar da alama an located.

Bari wuriyar sanya musamman sigogi da F = 1.0 m da kuma p = 0,8 m. Length na 1 km zai dauki. Sa'an nan da matsanancin bututu surface yankin ne, sunã daidaita:

P _n = * 3.1415 (1.0 + 0.8) * 1000 = 2827 sq.m.

A ciki surface daga cikin kashi

Inner diamita alama a karshen rabo. A cikin rashi na shuka tags ciki diamita "B" na bututu da aka lasafta ta yin amfani da dabara:

B = D - 2 * C, inda C - bango kauri.

Bugu da ari lissafi ciki tube surface yankin ne da za'ayi da aka riga aka sani dabara, amma maimakon yin amfani da siga D siga "B".

P _a = 3,1415 * B * T

Komowa zuwa sama misali da Silinda. Known sigogi ƙara wani bango kauri C = 0.1m. Sa'an nan, da farfajiya yanki na ciki mazugi ne

P _a = 3.14159 * (1.0 - 0,1 * 2) * 5000 = 12566 sq.m.

zafi riƙewa

Warming zafi bututu rage zafin rana asara ba kawai a cikin tsakiyar layin, amma kuma a cikin girma dakin inda kewaye tsakanin tukunyar jirgi, kuma mai rai da dakuna wuce ta wurin karin sanyi da dakuna.

heaters bambanci a thermal watsin da kuma hanya domin shigarwa na bukatar wani zabi idan akai la'akari da kafuwa site da kuma kayan Properties. Masana'antun bayar da dama iri rufi abubuwa:

• ulu a yankan Rolls. Bayan wrapping a kusa da bututu da kuma tsaurara waya boye saman aluminum tsare ko yin rufi ji.
• basalt ulu a cikin faranti. Dutsen fasahar kamar gilashi.
• m tube sanya na foamed polyethylene tsare tare da wata tsaguwa tare da labarin don hawa. amfani da hanyar sadarwa aikin injiniya.
• ruwa rufi ne amfani da bututu riga aza a lokacin da babu wani sarari ga rawar daji tare da sauran kayan.
• kumfa kamar yadda biyu m halves na bututu. lokacin da hawa da harsashi halves aka sanya a kan tube, suna masu hada kai da kuma kulla tare da tef yi. rufi na kumfa amfani da akai-akai.

Yankin shafi abu dogara a kan rufi kauri. Formula rufi surface yankin a cikin wannan yanayin ne kamar haka:

P = 3,14159 * A * T * K, inda

D - waje diamita bututu.

T - da tsawon tube.

K - wani m gyara factor ga kauri daga cikin rufi.

Don lissafi da yankin na hita tsara shiri calculators.

fenti tube

A Volume fenti a karfe bututu _a sami rufi da dabara

Game da _k = P * Y, inda

Game da _zuwa - da adadin Paint.

N - surface yankin na bututu.

Y - takamaiman kwarara kudi na Paint a farfajiya na 1 murabba'in mita (dauki zuwa cin lakabin).

Amfani da tawada da aka zaba domin karfe saman bisa yawan na yadudduka amfani.

Yana kafa da ra'ayin cewa ilimi - shi ne abin da aka bari a kansa bayan da koya manta. Yana da kyau a tuna da kuma amfani da ilmi tsiwirwirinsu, a makaranta. Marubucin fatan cewa, masu karatu na labarin zai amfana, da inganta yanayi.