Fluid Mechanics: Viscous Flow in Pipes, Laminar Pipe Flow Characteristics (16 of 34)

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CPPMechEngTutorials

CPPMechEngTutorials

Күн бұрын

Пікірлер: 124
@JoseLuisVelazquez
@JoseLuisVelazquez 3 жыл бұрын
This gentleman, next to being extremely knowledgeable in his field, is a natural educator.
@mjl7810
@mjl7810 4 жыл бұрын
2:16 who started COC
@Ben-oi6kz
@Ben-oi6kz 3 жыл бұрын
its amazing how clearly he breaks complicated concepts down to make them understandable. wish my fluids prof taught like this!
@CPPMechEngTutorials
@CPPMechEngTutorials 2 жыл бұрын
There can be only one Prof. Biddle.
@rogeronslow1498
@rogeronslow1498 4 жыл бұрын
Prof, your handwriting is superb.
@rahmiceylan2252
@rahmiceylan2252 6 жыл бұрын
Thank you professor. I hadnt understood this lecture in my mother language in my university but i could understand everything in english thanks to you today. :)
@CPPMechEngTutorials
@CPPMechEngTutorials 6 жыл бұрын
Terrific!
@mustafaatalay212
@mustafaatalay212 Жыл бұрын
Rahmi mezun oldun mu rahmi :D
@omraikar8517
@omraikar8517 4 жыл бұрын
After searching whole youtube..finally found the best professor...THANKSS!!
@dario3424
@dario3424 7 ай бұрын
In my degree program I'm studying oceanography and we've now delved into the Navier-Stokes equations as well as the Reynolds number. This video has been incredibly helpful; the professor's explanation was very clear, especially considering that my native language is italian. Thanks.
@berryzhang7263
@berryzhang7263 8 ай бұрын
Fluids make so much more sense now. Thank you Dr. Biddle!!
@derrick8044
@derrick8044 2 жыл бұрын
34:36 once flow is fully developed it will remain fully developed even when u add a valve 41:01 pressures are compressive stresses, they always point into the fluid CV 45:00 50:27 52:40
@sashaalpatru8100
@sashaalpatru8100 7 жыл бұрын
Thanks for posting. I took professor Biddles Fluid Mechanics II course at CPP and this brought back good memories.
@CPPMechEngTutorials
@CPPMechEngTutorials 7 жыл бұрын
We plan on recording Fluids II next quarter. The videos probably will be on this channel by Summer 2018.
@nikolaimikhail7774
@nikolaimikhail7774 Жыл бұрын
If only I had Dr. Biddle for this class. Our Professor struggles with trigonometry so you can imagine how she is as a Fluid Mechanics Professor. Regardless, these videos are the sole reason I might pull a B in this class. This man is a saint!
@hanisophiakhairani3336
@hanisophiakhairani3336 4 жыл бұрын
cant believe i paid thousands for uni only to end up watching lecture on youtube. BTW MY FLUID TEST IS TMR!!
@easymathstutor
@easymathstutor 3 жыл бұрын
Awwwwn
@caiuspollard3843
@caiuspollard3843 2 жыл бұрын
Bro I’m in the same boat rn
@hanisophiakhairani3336
@hanisophiakhairani3336 2 жыл бұрын
@@caiuspollard3843 all the best bro. Update: i passed my test
@semtex7478
@semtex7478 8 жыл бұрын
By far the best and the easiest to comprehend
@CPPMechEngTutorials
@CPPMechEngTutorials 8 жыл бұрын
Definitely one of our best professors.
@ahmetozcan7916
@ahmetozcan7916 3 жыл бұрын
writing from turkey. i am very grateful to you. thanks.
@anthonydonatelli4058
@anthonydonatelli4058 5 жыл бұрын
At 47:26 why does u = 0 when the inner radius is equal to the diameter/2 ? My understanding was that at D/2 we were at the centerline where we would have u_max
@Steven-ng4eo
@Steven-ng4eo 5 жыл бұрын
wow this class is too mature, how did nobody laugh at 28:12
@Josh-zk7pf
@Josh-zk7pf 5 жыл бұрын
HAHAHAH I WOULD'VE LAUGHED, i saw this comment and far out man, why do teachers always pull this shit
@holipinieo1
@holipinieo1 5 жыл бұрын
Are you just going to ignore "Uhh, Where's the 'D'?" at 21:18?
@socgeo
@socgeo 5 жыл бұрын
I totally saw that too
@muhammedeminural3333
@muhammedeminural3333 4 жыл бұрын
for me it was 50:41, the smile before and after the sentence
@yosephmetekiya7878
@yosephmetekiya7878 3 жыл бұрын
You are a great proffessor! You saved my time.thankyou so much
@paulringab123
@paulringab123 7 жыл бұрын
wish i had a prof like you T_T thank you for a great lecture
@CPPMechEngTutorials
@CPPMechEngTutorials 7 жыл бұрын
You're welcome.
@EJS-7
@EJS-7 6 жыл бұрын
2:15 someones loading up clash of clans
@tgggoademos
@tgggoademos 6 жыл бұрын
i heard it in another lecture as well, this guy
@aimanhafiz7601
@aimanhafiz7601 4 жыл бұрын
@@iRul3TheSky1995 bro. Tf no one playing coc
@abdelmalik4558
@abdelmalik4558 3 жыл бұрын
yeah i noticed that xD
@jcp6092
@jcp6092 3 жыл бұрын
Finally, I can calculate the length my pipe has to be for ejecting laminar loads
@mechanicalengineeringpage7548
@mechanicalengineeringpage7548 8 жыл бұрын
The best lecture
@CPPMechEngTutorials
@CPPMechEngTutorials 6 жыл бұрын
It is a pretty good one.
@ajidamodaran
@ajidamodaran Жыл бұрын
Thank you professor for the excellent lecture on viscous flow in pipes. @52.44 the flow rate is mentioned as Q= (piR^2Vc)/2. I am wondering if you could show how the whole term is getting divided by 2. Once again thank you for your valuable time.
@sanaab8087
@sanaab8087 3 жыл бұрын
One of the best professors ever! But that asside, who plays games and eats chips in class?
@حيدرعبدالكاظمفتنان
@حيدرعبدالكاظمفتنان 5 жыл бұрын
Thank you from Iraq. You are better than many of my foolish teachers
@CPPMechEngTutorials
@CPPMechEngTutorials 5 жыл бұрын
You're welcome!
@GyeonghunPyeon
@GyeonghunPyeon 3 жыл бұрын
이것은 또 하나의 궁금증이었습니다. 물을 생각한다면 물의 점성은 크게 높지 않은 편이지만 분명 점성이 높은 유체도 우리는 그 흐름을 예측할 수 있어야한다고 생각했었습니다. 그 흐름을 예측하는 방법에 대해서 잘 설명해주셨습니다.
@zinadarwin97
@zinadarwin97 5 жыл бұрын
Ooh my you explain so well, thank you so much!!!
@CPPMechEngTutorials
@CPPMechEngTutorials 5 жыл бұрын
You're welcome!
@santoshreddypulicanti847
@santoshreddypulicanti847 Жыл бұрын
the best professor
@catherinegideon4689
@catherinegideon4689 5 жыл бұрын
Thanks prof ....your the best teacher
@CPPMechEngTutorials
@CPPMechEngTutorials 5 жыл бұрын
Thanks!
@ezekielc1812
@ezekielc1812 3 жыл бұрын
can't believe i found this guy 2 hours before my final
@adervishinthelanesoflove2645
@adervishinthelanesoflove2645 7 жыл бұрын
Best Prof. Love your lectures Sirji.
@CPPMechEngTutorials
@CPPMechEngTutorials 7 жыл бұрын
Thanks!
@4Shams
@4Shams 9 ай бұрын
May I know what textbook is used in this class?
@yeabmihiretsamuel9386
@yeabmihiretsamuel9386 Жыл бұрын
did i hear a clash of clan intro sound "2:17 minute"
@dogdogdog2024
@dogdogdog2024 8 жыл бұрын
thank you for the lecture professor! :)
@CPPMechEngTutorials
@CPPMechEngTutorials 8 жыл бұрын
You're welcome!
@muhammadnizarnurrohman9038
@muhammadnizarnurrohman9038 8 жыл бұрын
thank professor... best lecture
@fardinrafii
@fardinrafii 4 жыл бұрын
Perfect presentation👌🏻
@mehdi.sajadi
@mehdi.sajadi 2 жыл бұрын
you're amazing man , thank you very much
@Mohanad901_
@Mohanad901_ 4 жыл бұрын
why is the diameter divided on 12 in the examples ? Great lecture thanks
@Mohanad901_
@Mohanad901_ 4 жыл бұрын
or is that in ft?
@mohameddawoudi1046
@mohameddawoudi1046 2 жыл бұрын
To convert from inches to feet, since the velocity is given in ft/s
@VinhTran-sc8qw
@VinhTran-sc8qw 3 жыл бұрын
How do we know the kinematic viscosity?
@MisterBinx
@MisterBinx 5 жыл бұрын
So if you have a turbulent flow is the profile of the flow before the "entrance length" just some developing profile. Neither turbulent or uniform? I thought only parabolic profiles could be called fully developed.
@devenpatel3676
@devenpatel3676 4 жыл бұрын
Dear sir, why an engineer is forced to tell what must the entrance length for the piper for laminar and turbulent flow, what he(engineer) is going to do with that length ?what must be the reason ?
@chaimongkolpadungtree2878
@chaimongkolpadungtree2878 5 жыл бұрын
Professor, I want to know how to find Reynold Number when pipe have 2 different area (Vena contracta) @CPPMechEngTutorials
@flypig1
@flypig1 5 жыл бұрын
You would have 2 separate reynolds numbers
@joshuacharlery5826
@joshuacharlery5826 4 жыл бұрын
He's the Michael Jordan of Fluids!
@gangadharvenkataramanap7651
@gangadharvenkataramanap7651 7 жыл бұрын
Sir May you please give the video lecture about, how Reynolds expression for laminar and turbulent flows is derived?
@CPPMechEngTutorials
@CPPMechEngTutorials 7 жыл бұрын
Any fluid mechanics textbook will go into this topic in greater detail.
@gangadharvenkataramanap7651
@gangadharvenkataramanap7651 7 жыл бұрын
Yes I agree. I also searched in many textbooks all are typical to me. I am not able to understand those, any textbook suggestions sir?
@gojusto9538
@gojusto9538 6 жыл бұрын
@@CPPMechEngTutorials i need to join thus school
@CPPMechEngTutorials
@CPPMechEngTutorials 6 жыл бұрын
The textbook is in the video notes.
@CPPMechEngTutorials
@CPPMechEngTutorials 6 жыл бұрын
You are welcome to apply.
@hamdanhilal
@hamdanhilal 4 жыл бұрын
could I get the name of the refrence book to follow through.
@Strange8142
@Strange8142 4 жыл бұрын
It's in the caption. Fundamentals of Fluid Mechanics by Manson
@ethiopiaethiopia7390
@ethiopiaethiopia7390 4 жыл бұрын
wow very wonderful .....
@tshephongoako2819
@tshephongoako2819 5 жыл бұрын
At 30:00, the value of the Reynolds number is less than 2100 not more than 4000, which makes it a LAMINAR flow instead of turbulent flow....
@arham_mtl
@arham_mtl 5 жыл бұрын
In the video the value of Re at @30:00 is 6369.44, which is greater than 4000. (i think you are confusing the " , " by a " . " ) Side note: Reynold's number is the ratio of inertial forces to viscous forces. When Re is small, viscous forces supress the inertial forces. When Re is greater, inertial forces are more than viscous forces, and thus the chaos. Reynold experimentally came up with the expression of Reynold's number. In doing so, he assumed some of the factors that affect laminar to turbulent transition to be insignificant. Some of those factors are surface roughness, pipe vibrations and fluctuations in upstream. These parameters are carefully manipulated in fluid mechanics labs to even get laminar flow at Re=1000. Also this 2100- 4000 transition range is only accurate for Circular pipe flow.
@techsnake8559
@techsnake8559 7 жыл бұрын
sir which fluid is inside of that cup and if there is a coffee of a tea then how it remain hot for such a long time
@CPPMechEngTutorials
@CPPMechEngTutorials 7 жыл бұрын
That is question for a thermodynamics or heat transfer course. Fortunately, we will be uploading an entire lecture series for both courses in the next couple months.
@techsnake8559
@techsnake8559 7 жыл бұрын
beautiful ans
@maheshwaranbhanugoban6624
@maheshwaranbhanugoban6624 7 жыл бұрын
CPPMechEngTutorials 😂👌
@kobinatee
@kobinatee 3 жыл бұрын
Is Q the volumetric flow rate?
@sanaab8087
@sanaab8087 3 жыл бұрын
yes, and m is mass flow rate
@rabinnepal6673
@rabinnepal6673 6 жыл бұрын
which university is this?
@CPPMechEngTutorials
@CPPMechEngTutorials 6 жыл бұрын
California State Polytechnic University, Pomona (Cal Poly Pomona)
@kevinmarquez2517
@kevinmarquez2517 7 жыл бұрын
AMAZING!!!!!!!
@bardiajavid1479
@bardiajavid1479 2 жыл бұрын
Some yone opened clash of clans in the class: anyway I wish we had more professors like Prof.Biddle in my university
@bgs2514
@bgs2514 4 жыл бұрын
25:00
@tarifulislam7934
@tarifulislam7934 Жыл бұрын
Is anyone playing Clash of Clans 2:16?
@connorzechar2351
@connorzechar2351 9 ай бұрын
you are why I just got an 83 on my fluids exam when the average was 65
@CPPMechEngTutorials
@CPPMechEngTutorials 9 ай бұрын
That means you owe Dr. Biddle 83-65 = 18 thank you's
@montgomerynoble1331
@montgomerynoble1331 3 жыл бұрын
2:20 SOMEONE IS PLAYING CLASH OF CLANS!!!!!!!!!!!!!!!!!!!!!!!!
@aniketsingh8758
@aniketsingh8758 2 жыл бұрын
i noticed that too lmfao
@techsnake8559
@techsnake8559 7 жыл бұрын
by the way nice efort taken by u sir to teach us
@CPPMechEngTutorials
@CPPMechEngTutorials 7 жыл бұрын
Thanks!
@gojusto9538
@gojusto9538 6 жыл бұрын
How can i join your school
@chichorro1000
@chichorro1000 2 жыл бұрын
29:16 good drawing ;)
@vikhyat77thakur52
@vikhyat77thakur52 7 жыл бұрын
some one playing coc....
@CPPMechEngTutorials
@CPPMechEngTutorials 6 жыл бұрын
Tsk tsk... playing games in class.
@ezradeariusduansim2415
@ezradeariusduansim2415 5 жыл бұрын
Yeah at 2.18
@jjb83789
@jjb83789 3 жыл бұрын
the goat
@philipnakashita2723
@philipnakashita2723 5 жыл бұрын
does anyone notice the guy in the front has different colored caps in every lecture loll go watch all the playlist
@ahmedr2316
@ahmedr2316 5 жыл бұрын
He looks like Ric Flair
@CPPMechEngTutorials
@CPPMechEngTutorials 5 жыл бұрын
Both are great at four-figure leglocks.
@asadelahi670
@asadelahi670 5 жыл бұрын
lol someone playing COC and lady looked back 2;17
@yokeleetan4034
@yokeleetan4034 2 жыл бұрын
the last part is mundane to work out the average velocity for laminar flow. it is so obvious that average velocity is 0.5 of center line velocity at 5mins b4 end of lecture without going through all the mathematical substitution.
@rtrt2889
@rtrt2889 3 жыл бұрын
Lol COC 😂
@BrianKongXD
@BrianKongXD 3 жыл бұрын
28:20 ah my mind is dirty
@sanaab8087
@sanaab8087 3 жыл бұрын
thank you, now I can't un-see it
@xiaosun9111
@xiaosun9111 4 жыл бұрын
the prof who made the most mistakes~
@Resologist
@Resologist 5 жыл бұрын
This would have been a most useful lecture if Prof. Biddle wasn't changing the results, (reversing them), after his explanations, (for example, @24.00, is the flow at the end of the entrance region now laminar or turbulent)! The use of prepared slides could have eliminated much of the time he spent copying equations from his lecture notes onto the blackboard. Obviously, John Biddle knows this subject; but, he could do better with some audio-visual aids. Also, why not record a lecture without a class of students to interrupt him, to walk past him, and to make distracting noises? Too busy to make a really good video lecture? I was intrigued, at first, by a lecturer who wasn't regurgitating the textbook's lesson, then was disappointed; with this classroom's distractive behaviours, I certainly would have dropped out of this course; and, I won't bother with the other "tutorials" in this series, (which could have been better staged and edited).
@CPPMechEngTutorials
@CPPMechEngTutorials 5 жыл бұрын
We are doing the best with what little resources we have.
@Sebis527
@Sebis527 5 жыл бұрын
lmao dude shut the fuck up. I've never read a more whiny comment about something that was 1) done well and 2) not even bad. Are every single one of your classes private? Do you think this professor isn't busy being ya know... a professor? Follow and learn and just pause where you need to, it's a video...
@JoaoPalhinha9
@JoaoPalhinha9 5 жыл бұрын
You are so entitled. Get a life
@milindbebarta2226
@milindbebarta2226 5 жыл бұрын
Are you for real?
@michaelperkin89
@michaelperkin89 4 жыл бұрын
lmao honestly if you think this class is distracting you can not attend any uni. lil bitch bitch
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