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Chiroqning solishtirma quvvati usuli


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3-топшириқ Ҳаёт фаолияти хавфсизлиги АМАЛИЁТ OEL 007 (1)

2. Chiroqning solishtirma quvvati usuli.

Solishtirma quvvat usuli bo’yicha aniqlanadi:

P = 40 B, (1.5)

Shunday qilib, chiroqlar sonini topamiz:



, (6)

bunda Sn xonaning maydoni, m2 (shart bo’yicha);



P – chiroqning nominal quvvati;

n – chiroqning soni;

N – chiroq SOL(sanoatdagi ocma lyuminetsentli) bo’lganligi sababli, chiroqdagi lampalar soni.

Wx=K Wsq, (1.7)

bunda WX – chiroqning xisobli almashtirma quvvati,vt/m2;



K – korreksiya koeffitsienti;

Wsq – jadvalda muvofiq solishtirma quvvat.

Chiroqning oynali tarqatgichsiz, teshikchalarsiz va panjarasiz LD-400 turi uchun chiroqning h va S0 osilgan balandligida Wj vt/m2 ELK uchun Sshift=50%, Sst=30%, yer=10% da Kz.

Negaki, shart bo’yicha Sshift=50%, Set=50%, Ser=10%, unda WJ ni 10%ga kamaytirish zarur ya’ni

W=0.9•W0.



Shart bo’yicha Kz W ni korreksiya koefsentlariga ko’paytirish zarur:

αkz =.

Shart bo’yicha Z, αkz, ga kupaytirish natijasida olingan W, korreksiya koefsientlariga kupaytirish zarur:



αZ =.

Shart bo’yicha EH, αZ ga kupaytirish natijasida olingan W, koreksiya koeffitsientiga ko’paytirish zarur:



αE =.

3. Yaltirovchi chiziqlar usuli.


l = 0,5L, m, (1.8)

bunda l – devordan joylashish chizig’igacha masofa.



Chiziqli yorug’lik oqimining chiziqligi quydagiga teng:

, (1.9)

bunda K3 – zaxira koeffitsienti;



µ – akslangan yorug’lik va uzoqlashgan chiziq tasirini inobatga oluvchi koeffitsient;

LL = L=20 m;

EH = 400 lk;

Σе – hisoblash natijasidagi shartli yoritilganlik yig’indisini chiziqning barcha bo’laklarini 42.84 ga teng deb olamiz.

H’=H-0,3.

Natijaviy jadval: 2.2.





Р

P’=P/H’

L

L’=L/H’

e

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2
















3
















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5
















6
















Jami





2.4. Mustaqil tayyorlanish uchun savollar:

1. Yoritilganlik nima?



2. Yoritilganliknin sifat ko’rsatkichlari sanab bering.

4. Suniy yoritishni me’yorlashtirishda hisobga olinadigan omillar.

5. Ko’zni qamashtiruvchi ta’sirni cheklash talabi.

6. Chiroqning solishtirma quvvati hisoblash usulini tushuntiring.

7. Stroboskopik effect nima.


III. Hisobot tayyorlash.

Hisobot tayyorlashda qo‘yidagilarga amal qidinadi:

1. Titul varog‘i (ilova 1 ga qarang).

2. Topshiriq shaklini o‘zgartirilmagan holatda to‘ldirish (word da yozish va tahrirlash qonun qoidalariga qatiy rioya etgan holda).

3. Nazariy savollarga javob berish.

4. Amaliy topshiriqni bajarish.

5. Bajarilgan ishlar bo‘yicha xulosa chiqarish. (ilova 2 ga qarang).

6. Foydalanilgan adabiyotlar va internet xavolalari ruyhati.



7. Baholash mezoni: №1 topshiriq bali 6 bal.


Kerakli harakatlar ketma-ketligiga rioya qilgan holda ishni to‘liq bajarish

0.5 ball

Talaba mustaqil mushohada yuritsa berilgan topshiriq mavzularining mohiyatini tushunsa

1 ball

Rasmiylashtirish sifati (tartibliligi, mantiqliligi)

1 ball

Hisob qitoblarda o‘lchov birliklarining mavjudligi

0.5 ball

Mavzu bo‘yicha maqsad va asosiy tushunchalar va ta’riflarning mavjudligi

1 ball

Variant bo‘yicha vazifani bajarilishi

0.5 ball

Amaliy ishlarining nazariy himoyasi (talaba mustaqil xulosa va qaror qabul qilsa, ijodiy fikrlay olsa, mustaqil mushohada yuritsa, berilgan topshiriq mavzularining mohiyatini tushunsa, bilsa, ifodalay olsa, aytib bera olsa, hamda topshiriqlar bo‘yicha tasavvurga ega bo‘lsa)

1.5 ball


Fan bo‘yicha umumiy ballar: jami-100 bal


Topshiriq

Maksimal ball



Topshiriq-1. Ish ishlab chiqarish ergonomikasi (paramaetrlarni hisoblash)

6

Joriy nazorat bo‘yicha maksimal 18 ball

Topshiriq-2. Tabiiy va texnogen tabiatning xavfli va zararli omillarni hisoblash.

6

Topshiriq-3. Ishlab chiqarishdagi baxtsiz xodisalar va baxtsiz xodisalarni tekshirish

6

Ma’ruzalarni o’zlashtirish

27

Davomat boyicha maksimal ball

5

Yakuniy nazorat bo‘yicha maksimal ball

50

Jami:

100

100 ball

2 ilova


Bajarilgan ishlar bo‘yicha xulosa chiqarish.

(xulosa qo‘lda yoziladi)

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Foydalanilgan adabiyotlar va internet xavolalari ruyhati

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1 Ф.М.Қодиров, С.М. Абдуллаева, Н.Ю. Амурова. «Ҳаёт фаолияти хавфсизлиги» фани бўйича амалий машғулотларни бажариш учун услубий кўрсатмалар./Тошкент, ТУИТ, 2013й.-92б.

2 Юлдошев Ў.Р., Рахимов О.Д. Ҳаёт фаолият хавфсизлигидан лаборатория ишлари. Тошкнт,ТДТУ, 2010й.-74б.

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