JBA Trust hydraulic flume showing how engineered structures affect flow in rivers (full video)

The mini flume shows the flow of water in a simple channel, driven by a system of recirculating pumps. It shows scale models of typical engineered structures such as weirs, bridges, culverts and debris screens. The mini flume is particularly useful in helping to understand some of the causes of flooding and how good design and maintenance of rivers and drainage channels can help to manage flood risk. For further details, please see www.jbatrust.org/how-we-help/....
Please use, share and adapt this resource with attribution to JBA Trust.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

[@leantor8996]

Two more of those vids and i'm gonne be Ph. D. in waterway engineering.

[@Tschombes]

go to post 10, he got a lot vids with drains, culverts etc

[@griffintaylor3861]

Practical engineering youtube channel

[@norbrook1789]

true

[@georgehill3087]

I know it's a joke and all, but fully understanding these would at most put you at an undergrad level. Master and Ph. D are about use this knowledge to research and understand more.

[@ahmedabdalfattah3450]

That's impossible. To be a Ph.D. in waterway engineering, you need to watch like 11 videos or something.. at least.

[@ginsengjin]

I don't know how I got here but this is the most interesting thing I've seen all month.

[@squidwardo7074]

quarantine reccomendations

[@adammilan6434]

Same tho

[@rudrapratappaul867]

Same here, I have nothing to do with this subject but I like it

[@lordclancharlie1325]

same thing for me, on my side: most interesting thing I've seen all year. Engineers rule

[@naimulislam7692]

same for me. i live in a country which have the highest number of rivers in the world, more than 2000+ rivers.

[@gsnad]

KZbin: Here you go Me: I'm not even interested in waterway engineering KZbin: Here. You. Go.

[@jackseley4084]

Gabe Larsen We’re not really sure why we got here, but now we all know about waterway engineering. KZbin recommendations are great

[@Jakuri93]

Pretty much xD

[@Pre_Paid]

Exactly 😆😆😆

[@BezTchu_]

Okey, i will check it. Uhm, okey..I liked it. YT recommendation, you did it again.

[@harabe1sh1o]

same but i was excited to watch it

[@thePrzemko17]

"First, we need to measure velocity" Tosses a yellow rubber duck into the water

[@jeremyowen1]

I don't know how you could possibly get more scientific than rubber ducks.

[@waypointb]

Engineers tend to be a practical bunch, lol.

[@delq]

That is really how we measure velocities only difference being in real life the duck actually speaks

[@urbanturbine]

Haha that's actually how they measure velocity out there in the field too.... Sometimes simple methods are the most accurate..

[@speckle2592]

urbanturbine I remember in my hydraulics class, we just threw a stick in the water and timed how long it took it to float downstream. Rubber duck is probably better. More visible.

[@MakeSushi1]

I didn't know engineering involves so many rubber ducks 🦆

[@vond5829]

How do you think they make the ducks?

[@constable577]

It’s just the one duck actually

[@featherfoot614]

I'm thinking career change...

[@calcakesupremeusa]

And in real environment setting do they include clear pvc walls?

[@alexvargas5907]

In fluid mechanics is practically a measure unit

[@squirrelsgarden]

Not gonna lie, this was fascinating and I'd like to watch an entire series.

[@pranaymohanraogandra3415]

Mee too, very interesting

[@LevantWasTaken]

The sequel is finally here Edit: weird to see this at 2.4 million views. I remember it when it had 3 or 4 comments and views in the low thousands

[@EssGeeSee]

I. Them we’re the days.

[@jitome4159]

The KZbin recommendation algorithm works in mysterious ways. I also got here by chance. Enjoyed myself with the video tho.

[@aubreyinmon4562]

The Algorithm works in mysterious ways

[@vivianrajan8618]

I’ve honestly never been so happy to learn about something so random as this

[@jared1775]

I have no use for this information, but I find it very interesting.

[@airesearch0844]

As a Civil Engineer myself, I wish my professors taught me these with these examples. I would have continued as a Civil Engineer instead of moving to Information Technology.

[@oussamakada8355]

as civil engineer my self shall i continue or run ?

[@johnlemon3732]

@@oussamakada8355 both, i am continuing with backup plans

[@thatmcgamer3106]

NEW WATER VIDEO!!

[@mpred8606]

yay

[@roenroderio3844]

yay indeed

[@nibornaan6634]

I don´t have a river, why am I watching this?

[@muhammadzaidhasan1426]

You may fall into one

[@kristjanmartin9883]

A wise man once said..."you are your own river". D.M.

[@AtLeastThreeCharacters.]

@@muhammadzaidhasan1426 I will now be careful around vertical screens

[@BALAHANUMAN]

Moral of the video: Upstream always slow Down stream always fast

[@acky91]

It is not true, this level rising and slower velocity is from local energy losses. The slope. Of the river is higher in upstream and therefore velocity is higher. Downstream slope is slighter, velocity is reduced. Model is showing constant slope!!

[@user-uo5st2re6m]

I've always wondered in geo classes that if a simple obstacle really rises the water level that much and effect so far away. This is perhaps the most intuitive resource to understand it. Fantastic video

[@AViewCado69420]

I'm not an engineer in waterways nor a student in this field, didn't know most of these. Stayed because entertained and earned some knowledge.

[@sampleexamplemusic]

ok. i'm literally pricing up 2cm acrylic on the internet right now. i must build one of these. so much cooler than a fishtank.

[@jeremyowen1]

Just put fish in it anyway. Make sure to install a vortex control device.

[@vincecerna14]

Put the fish.. let them have an exercise this quarantine hahahahaha

[@d.t.4523]

Don't forget the rubber duck! 👍

[@akunmata6976]

What kind of pump there are use?

[@sikfreeze]

Love how you guys illustrate how the water will actually behave...so clear and easy to understand. I never thought I would ever need to know this but recently I have been making a table top fountain project and the water flow speed was too slow and that's when I thought of this video and came back to look for you guys.

[@jonathanrabe3727]

Mechanical Engineers: "We will use first principles and solve any scenario" Civil Engineers: "Let us just test each possible one"

[@user-ky6vw5up9m]

Jonathan Rabe its the other way around. Mechanical Engineers more likely to have models and prototypes. Civil Engineers only get one chance as every location is unique.

[@runnervega]

JBA Trust, for everything related to water, I trust you.

[@JhonAgapito]

My bother is an architecture student. 10/10 would recommend this to him.

[@bidbux9500]

This is going to have a million views in a couple of weeks. I'm telling ya. EDIT: Ha! Called it!

[@puch2728]

Yeah

[@mathiasrasmussen7455]

No it wont have a million views ^^

[@reshzy3807]

@@nalyddoow9295 im leaving a reply here so I'll get notified

[@vittorsl8721]

almost there

[@takosuika]

@@mathiasrasmussen7455 oops

[@tomaash8654]

Finally, I have answers to the questions I never asked.

[@harry9937]

These suggested videos are big brain energy.

[@deanobam8875]

Why is this so interesting??? KZbin suggested it and once it started playing I couldn't stop watching it.

[@aldokuntoadi3290]

Another knowledge explained very briefly.. well done JBA Trust, you showed things that other people might not know that happens in their everyday life.. very good engineering info that would save many people in some developing countries..

[@mpred8606]

so I've always wanted more of the coastal defence videi that I have watched like 10 times everytime It pops up on my youtube now I am saying we need more of these types of water mechanics videos

[@zbsishrth3734]

They didn't teach this in our Water Resource Engineering classes... Now I understand the concepts properly..

[@chessislive2790]

This entire channel is a hidden gold mine

[@benjaminmatejka6182]

A 10 minute video has taught me more than all my teachers have!

[@SuperTrunkspace]

This reminds me a lot of my casting classes. We did a lot of fluid flow simulations to design molds for castings. A man named Dr. John Campbell took some xrays of castings while they were being poured, and found that water is actually a pretty good analog for molten iron. So some of the models people use to demonstrate casting techniques look a whole lot like what you're using there :)

[@GivingJest]

Don't know how i got here but this is the best thing i have seen this week

[@gillies7775]

This video is very important for kayakers, I think all kayakers should watch these videos before entering a river.

[@altair.-.2573]

"the kayak will not have a good time" and that is called a perfect drowning machine

[@steffenvetrhus]

post10 would never let that culvert getting clogged

[@Tonatsi]

Steffen Vetrhus post10gang

[@cafeine]

hahaha exactly!

[@majiccouly]

Yep but he always gotta fix what others don’t, so as soon as I saw culvert I was like « yeah send more maintenance for those so that post 10 can focus on unclogging others stuff »

[@screamingmimi90]

Post 10! ❤️

[@kennethschroeder2789]

Loved "Open Channel Hydraulics" in college but that was almost 40 years ago. Nice work on the video. Thanks

[@mohankumarkonvicted]

This is a summary of my 4 years of structural engineering. Good job

[@srabontishawon8813]

This is one of the best videos I have seen in my life.

[@Dev1nci]

You guys have put SO much effort into this and it looks great and is very interesting. Thank you 😁

[@nell711]

KZbin must be reccomending these types of niche engineering videos to get us ready for something...

[@jakebright2330]

I dont know why this was in my recommended but ngl I really enjoyed it.

[@Traceursniper]

KZbin recomendations usually nail some of my science curiosity

[@Maxiburger69]

Teached me more than everything I ever learnt in school

[@Abadaba._]

Obviously it didn’t teach you grammar.

[@lehoanghuynh6602]

Great! It is in fact the simplest way. The professors did not show me easily when I was in school. It's good that I watched this video. Sorry, my english is so bad

[@akshayd211]

I did not search for this but this was completely entertaining.

[@noname-sk3hl]

Finally I can brag my water management knowledge infront of friends.

[@Rektonator]

6:20 They even know how to freeze water for half a second! (Watch water closely)

[@grapeleopard6809]

What does this mean

[@lutforanam9097]

It's a glitch

[@oBseSsIoNPC]

The whole video is 100% worth watching ESPECIALLY for the end, I had no idea water could be control in such way! Loved it, thanks for sharing!

[@madloop3217]

KZbin Ai, you have to learn to read my comments, understand them and keep suggesting me such great informative content🙏. This was the best video I've seen in months!!

[@dastandjalynov1403]

Мало что понял, но было интересно. И как это видео выскочило у меня в рекомендациях?

[@zeara7692]

humans: the earth raised all the water levels !! earth: you did most of that yourself first...

[@calebthomson4381]

I watched this video a few weeks ago, who knew that I’d need to find it again, along with your other videos to showcase fluid dynamics and Bernoulli’s principle!

[@spinosaurus9518]

they are like better version of teachers, now i know how things work like that, so THANKS school.

[@ecator4353]

"what are you doing step-screen?"

[@theoverthinker1978]

Dude! I was thinking the same thing! 😂

[@AlleeCatBlues]

my favorite part was when they Introduced The Duck

[@MrPckhanal]

For civil engineers, this is a great way to demonstrate how Water Resources Engineering works! It is hard to believe, otherwise, by just working through formulae.

[@generc.d.2922]

This is the kind of vid that i want my son to watch rather than watching youtube content of other youtube vloggers out there.

[@technologysimplified1273]

Me who don't even know how I came here and why I'm watching. My Mind: Watch it...

[@haneswara]

Me : wow this stuff looks so fun! Also me : get "D" on fluid lesson

[@salm4579]

Good to know and to understand nature of the water to resolve the city flooding. Thank you.

[@MrFlames1975]

This came up in my recommendations. Right up my street. Most informative video I’ve watched for a long time.

[@aalexsu23]

2:23 I remember this! Officially warning signs call it a drowning machine iirc

[@heymarohr8115]

No hablo inglés, pero le entendí muy bien al vídeo uwu

[@pluieesoleil]

i don't speak ur language but i can understand it uwu

[@DaniloOtavioDS]

I don't know why this video have been recomended to me, but was amazing. Hugs from Brazil

[@oshoprior5022]

I'm so glad he explained what a bridge is, I was lost for a second there

[@eddieouille939]

This is literally just Bernoulli's principle put into action

[@FlyLeah]

Venturi effect

[@domino-86]

Video: water go splish splash 214,000 people: interesting

[@aeon4591]

MIght be the 2nd time youtube recommendation actually recommended something i watched through and enjoyed. Amazing video!

[@TymexComputing]

No ducks were harmed during production of this video. :) - It is very instructive and i am glad for two things - its in british language and you are using centimeters :)

[@GrandDawggy]

What you call a "stopper" is known as a drowning machine, tom scott has an excellent video about them Also the duck getting stuck in diving is called a delta p event and a grate or screen is far safer then a hole as there is still flow with a hole you're body will block the hole and form a seal making you stuck there and probably die, delta p is horrifying

[@hand2032]

I, for some reason, was recommended this. I'm not dissapointed, you guys seem proffesional

[@PawelKolat]

Can I just add this is a fantastic video, I'm a white water kayaker and loved the explanations of all the different types of weirs etc. Wish they were building them more with recreational use in mind.

[@Matt-xq6ow]

The Vortex control device blows my mind. So cool!

[@Metamerist625]

I have been looking for information on how to represent these structures in a hydraulic model and this has proved to be very useful in helping me understand what I am doing. Please keep up the good work!

[@evancollins8194]

That’s got to be one of the best videos I’ve ever watched on here. Very interesting stuff.

[@cagdassimsek8089]

Perfect representation of the physics and underlying hydraulics in these structures. Thanks.

[@michealo3o271]

Normally i generally wouldn't care about anything of this sort since you get the basics in college but this is actually interesting to watch. Thanks.

[@darshankumar7926]

Really a very good video to get educate ourselves and by showing this prototype model how water can be easily diverted really wonderful.

[@MrLeightonstead]

A comment from me that has already been said.. unsure of how on earth I landed in this KZbin wormhole, however, fascinating! 👏👏

[@deltacharlie891]

Who would've thought that the manipulation of water could be so fascinating

[@chillout9991]

I could watch this all day

[@TarunKanthK]

Water works in very different and mysterious than what I thought. Very interesting.

[@maazin2782]

I thought this would be a boring video but turns out it's so interesting to me nd I didn't skip the video! I watched the entire video

[@5THR33S]

I stumbled upon this randomly and I enjoyed it way too much, informative, simple, interesting, just great!

[@xjg685]

These videos show up in my recommended, I never search for them, but I have to say, this is very interesting and I love to learn about this kind of water physics.

[@nuevachepe]

That was absolutely great ! Playing with water and teaching us about all that technical horsefeathers we dont need to know. And it was fun and I learned a lot!

[@jupiter909]

Very interesting and informative. The vortex control device is something new I've now learnt about today! Thanks!

[@Correalian]

I don't know how this was suggested to me but it was really well made and explained. To top it off it was interesting to watch.

[@allanituriaga6701]

Thank you so much for this demo. I much more understand the effects of these hydraulic structures. Anw Im a civil engineering student and this would help me a lot for my studies.

[@jamierosehill3148]

Don't know how I got here but I watched the whole video and enjoyed every second of it.

[@daringdarius5686]

How to: Make a practical learning video Demonstrate practical techniques Teach in an entertaining way Teach while also giving real world examples, their consequences, and what to watch out for My man/woman. I'm a CS major, but this has me both learning and entertained. If I ever do animations or scenery for a game/movie, or if I ever write a story, it's details like these that are so important, and if for some odd reason I completely change majors, this is still super helpful. Thanks guys :D

[@viniciusaguiar8979]

THIS IS THE MOST INTERESTING THING I'VE EVER SEEN I NEED MORE WATER VIDEOS

[@fcwiid9037]

This video had my mouth hanging open since they put in the first object. This was very interesting and easily explained

[@cycosist5156]

Thanks for the new patch update and water physics. Very appreciate it!

[@mongjazzz9304]

THIS IS FREAKING INTERESTING , WATCHING IT WITHOUT EVEN SKIPPING 5 SECONDS AHEAD

[@richardgonzalez6409]

This video made me an expert on Hydrodynamics

[@Servilius]

Not sure how or why this was recommended to me, but I’m really glad it was. Very interesting video.

[@egemengokalp1587]

Amazing and clear presention that i have ever seen on how structures effect the river flow.

[@justanotherguy9034]

Thank you youtube for the recommendation. learnt something new today. More respect for civil engineers.

[@lucasl.6090]

Did not ask for this but did I watch every second of it with wonders in my eyes. WELL YES :)

[@CSJiGSaW08]

I learned more in this video than I learn in a Engineering class.... great presentation...