उग्र प्रवाह का तात्क्षणिक नदी की तरह वेग निम्नानुसार दिया जाता है:

u(x,y,z,t)=u¯(x,y,z)+u(x,y,z,t)

अस्थिर वेग u’ (x, y, z, t) का औसत समय क्या होगा?

This question was previously asked in
PY 9: GATE ME 2016 Official Paper: Shift 1
View all GATE ME Papers >
  1. u’/2
  2. u¯/2
  3. zero
  4. u¯/2

Answer (Detailed Solution Below)

Option 3 : zero
Free
GATE ME 2023: Full Mock Test
5.7 K Users
65 Questions 100 Marks 180 Mins

Detailed Solution

Download Solution PDF

संकल्पना:

उग्र प्रवाह के लिए

u=u¯+u

u¯=1T0Tudt

जहाँ

u → किसी क्षण पर x-दिशा में वेग

u¯ → x-दिशा में औसत वेग

u’ → x-दिशा में  अस्थिर घटक का वेग

वेग के अस्थिर घटक का समय औसत,

u=1T0Tudt=1T0T(uu¯)dt

u=1T0Tudt1T0Tu¯dt=u¯[1T×(u¯T)]=0

अन्य महत्वपूर्ण बिंदु:

दो अस्थिर घटको के बीच लंबे समय तक परस्पर क्रिया गैर-शून्य होती है।

TTuvdt0

जहाँ v’ → y-दिशा में अस्थिर घटक का वेग है।

Latest GATE ME Updates

Last updated on Feb 19, 2024

-> GATE ME Answer Key has been released. The exam was held on 3rd, 4th, 10th, and 11th February 2024.

-> The Graduate Aptitude Test in Engineering, also known as GATE, conducts an Entrance exam that serves as a gateway for all Engineering aspirants.

->  Candidates who want a successful selection can refer to the GATE ME Preparation Tips to boost their exam preparation and increase their chances of selection.

->  Candidates must attempt the GATE ME Mock tests

More Turbulent Flow Questions

Get Free Access Now
Hot Links: teen patti gold download online teen patti real money teen patti master 2023