Question
Download Solution PDFदो बहुत बड़े समानांतर प्लेटों को T1 = 800K और T2 = 640 K के एकसमान तापमान पर रखा जाता है। उनकी उत्सर्जकता क्रमशः 0.2 और 0.5 है। प्लेटों के प्रति इकाई सतह क्षेत्रफल के बीच विकिरण ऊष्मा हस्तांतरण की शुद्ध दर क्या होगी? [मान लें, स्टीफन बोल्ट्जमान स्थिरांक = 5.67 x 10-8 W/m2-K; (800)4 - (640)4 = 2.4 x 1011]
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंप्रत्यय:
दो बड़ी समानांतर प्लेटों के बीच विकिरण ऊष्मा हस्तांतरण की शुद्ध दर निम्न द्वारा दी जाती है:
जहाँ:
σ = स्टीफन-बोल्ट्जमान स्थिरांक =
परिणाम:
दिया गया है कि
हर की गणना करें:
अब अंश की गणना करें:
अंत में,
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