Question
Download Solution PDFएक अंतर्मुखी प्रवाह अभिक्रिया टरबाइन के लिए निम्नलिखित आंकड़े दिए गए हैं:
उपलब्ध शीर्ष = 25 मीटर
प्रवाह का वेग = 2.5 मीटर/सेकंड (नियत)
गाइड ब्लेड कोण = 10°
रनर वेन इनलेट पर त्रिज्यीय हैं और आउटलेट पर निरावेशन त्रिज्यीय है। टरबाइन की अनुमानित द्रवीय दक्षता क्या होगी? [ दिया गया है, , g = 10 मीटर/सेकंड²]
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
एक अभिक्रिया टरबाइन के लिए द्रवीय दक्षता इस प्रकार दी जाती है:
\( \eta_h = \frac{V_{w1} \cdot u_1}{gH} \)
दिया गया है:
\( H = 25~m,~V_f = 2.5~m/s,~\alpha = 10^\circ \Rightarrow \tan \alpha = 0.176,~g = 10~m/s^2 \)
चरण 1: भँवर वेग
\( V_{w1} = \frac{V_f}{\tan \alpha} = \frac{2.5}{0.176} \approx 14.2~m/s \)
चरण 2: स्पर्शीय वेग
\( u_1 = V_{w1} = 14.2~m/s \) (चूँकि त्रिज्यीय वेन, कोई नुकसान नहीं माना गया)
चरण 3: द्रवीय दक्षता
\( \eta_h = \frac{14.2 \times 14.2}{10 \times 25} = \frac{201.64}{250} = 0.8163 = 81.63\% \)
Last updated on Jul 1, 2025
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