EPANET Tutorial | How to Design Water Supply Network with EPANET 2.2
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- Опубликовано: 11 июл 2024
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EPANET is one of the best hydraulic modeling software especially when it comes to designing water supply projects and as Civil/ Water Supply engineers having at least a basic knowledge on how to use EPANET Software is very important!
That being said, I recently created an EPANET tutorial on how to use EPANET Software! And in this short video tutorial, we are going to learn how to design a water supply network with EPANET 2.2!
I tried to cover basic principles on how to model a water supply network with EPANET!
It’s a 30 minutes tutorial so I really encourage you to watch it until the end!
And if you are interested in GIS or Water Supply related content please subscribe and share with your fellow engineers!
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00:00 Introduction.
01:04 EPANET Project Settings and defaults Settings
02:31 Network Layout in EPANET (Tank, Nodes, and Pipes)
04:37 Assigning Elevation to Nodes and Storage Tank
09:13 Assigning Water Demands in nodes
10:40 Assigning Pipes Diameter and Length in EPANET Software
12:41 Preparation, running model and fixing errors in EPANET hydraulic model
27:25 Display final results and Export full report in MS Word.
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![EPANET Hydraulic Modeling for Gravity Water Supply Network [Real Project]](http://i.ytimg.com/vi/qlxsjWA-CDM/mqdefault.jpg)
![EPANET Hydraulic Modeling for Gravity Water Supply Network [Real Project]](/img/tr.png)
![EPANET Tutorial | How to Size/Model Water Pumps using EPANET Software [Based on Real Project]](http://i.ytimg.com/vi/XMi8fP8YR7c/mqdefault.jpg)
This was really helpful, thank you.
Mr. Kangogo, I am really glad that you found it helpful. Thank you and You are welcome!🙏
thanks for taking you time to explain the basics looking farwad for more videos
Actually I was creating the other ome on how to use QGIS to prepare project layout/map!
I have also other epanet tutorials like this one: ruclips.net/video/D_k92sTSu5w/видео.html !
If you have not please dont forget to subscribe for more epanet tutorials!
Thank you so much Abdul🙏
Thank you for the video by the way
I appreciate that, you are welcome!🙏
perfect tuitorial. Very interesting
Thank you, lets keep on learning!🙏
Very good video. perfect tuitorial. Very interesting .Thank you very much Sir.
Thank you Ahmed! You are welcome🙏
Thanks🎉
You are welcome🙏
How do you come up with the base demands figure to be assigned at the nodes?
Good worl just subscribed
I really appreciate that, you are very welcome🙏
I love this, very interesting
Thank you Olwol! I have more tutorials like this one.. just visit my channel to watch them🙏
Congratulations for a good job
I really appreciate that! Thanks a lot bro!
Time well spent. Nimevuna kitu murua kabisa. Be blessed eng
Mhandisi nashukuru, pia am glad you learned something! Practice makes perfect man, all the best in your learning🙏
Thanks for your wonderful video. Learnt a lot from it. My question is, how can we play the pipe pressure class instead of changing the pipe dia?
"..how can we play"? I did not get you clearly but if you are talking about how can we determine required pipe then what we do is check both velocity, pressure and unit headloss🙏
Thanks Eng. Lodrick
You are welcome, brother🙏
Valueable
Thank you my friend🙏
Thank you for the video. May I know how to change decimal point of the result.
Just go to "file>preferences>formats".
Please do a video on how to relate QGIS data to Epanet..Because people will not always want to draw this nodes and pipes when we can use QGIS data...Thank you in advance.
Cynthia, Thanks for your feedback and I totally agree with you! adding one node after another is quite a hustle! BUT so far I have another tutorial which covers how to import excel data in EPANET, LINK: ruclips.net/video/-i_0NsoPM5M/видео.html .... ALSO I have another tutorial which covers how to import excel data and performing hydraulic modeling with them in EPANET LINK: ruclips.net/video/qlxsjWA-CDM/видео.html I hope somehow these two tutorials will be helpful, LET ME KNOW WHAT YOU THINK!
Thank you for this video. I have a question. I see that you have only assigned demands at the nodes at the end points of the distribution lines. where do you assign demands if you had communities settled along pipes 1,2,3 and 4?
I have done this tutorial a while ago but the idea is.. you can calculate the total demand and divide it by a total number of nodes then take the answer and assign it to the nodes of respective pipe/link.. (there is another way around but that is the simplest).
@@HydroinformaticsAcademy thank you so much
@@belindamercya You are welcome!
I had a question, say we are using 2 tanks (placing one on the right and one on the left), both having the capacity of 300 cubic meters (total 600 m^3), but we want 400 m^3 to go into the top of the system that has multiple nodes(having its own demands) & links, and 200m^3 to go to the bottom of the system which also has multiple nodes(having its own demands) and links, so is there any way to do that, making the tanks equally contribute to the system rather one contributing more than the other?
Ans 1: I think what you can do is to use FCV on the storage tanks and limit output flow as per your requirements! For example, if you want both tanks to contribute 5L/s then use FCV and set that value on each of them!
Ans 2: From what I know storage tank supplies water as per assigned demands on nodes so maybe one storage tank supplies more water because it has more nodes assigned with more demands compared to the other?
A question sir, with a follow up, in doing single period analysis, what base demand do you input? Is it average day demand or the maximum day demand?
Hello Yami! Welcome!
For single period analysis or stead state analysis what you are supposed to use is MAXIMUM HOURLY DEMAND. But if you want to use extended period simulation then you first use average demand to run single period analysis after that you introduce peak hour factors (multipliers) to run extended period simulation!!...
By the way for single-period analysis, you can watch this tutorial as well ruclips.net/video/D_k92sTSu5w/видео.html!! I covered other important concepts that might help you!!
Once again, welcome🙏
@@HydroinformaticsAcademyHi, I'd like to revive this comment.. Max. Hourly Demand is to be used for extended period simulation, correct? And to size the pipe correctly, we adjust the pipe diameter in relation to (1) velocity and (2) pressure, correct? Pipe headloss is reflected in velocity and pressure in a way, so I think it can be overlooked.
My question is, since typically, we design the pipe velocity between 0.9m/s to 2.5m/s, is the design still justifiable that at AVERAGE hourly demand and MINIMUM hourly demand (aka off-peak hour), the velocity can be below 0.9m/s?
How to maintain pressure between 20-60 amd velocity of 1-5 m/s of water system model? Pls let me know ,im really confused
I have created a video to address this! Stay tuned! 🙏 here: ruclips.net/video/8og0oFQD8LI/видео.html
Can you please tell me, " when i've set LPS as analyzing data then why distribution point pressure is shown in 0. then how i will be confirm that my distribution pressure is ok?
Did you set base demand?!
Very informative and useful video. I have watched almost each video on RUclips for Epanet but here my search ends.
🙏🙏
Thank you sir
Thank you Deeppak, please subscribe if you haven't for more epanet, irrigation and GIS videos..
How to export GIS data to epanet (inp.pins not supported for 64bit PC)
Thanks for your feedback!! Actually this is something I plan to cover in the next few videos! So please stick around and for now don't forget to subscribe and turn on notification so as to be the first person to be notifies as soon as I release a new video!
can u link the file of this design?
While changing the diameter, will it suffice the demand of each household Because diameter is designed using the population of particular area?
While changing the diameter make sure the demand is well maintained!
By the way, the idea of changing diameter is to make sure that velocity, unit headloss, and pressure is maintained at the required range!
So if that is the case automatic even the assigned demand will not be affected in a negative way because demand (discharge) will be supplied at the right velocity and unit head loss🙏
@@HydroinformaticsAcademy thank you🙏🙏🙏
@@Dee-ks6sb You are welcome!
Bro can you also explain to us beginners the use of this in a practical sense
Thanks so much for your feedback!! For sure we will cover that one!! and the only thing i request from you is to make that you subscribe and turn on notification so as to be notified soon as I release a video!!
Once again thanks!🙏
@@HydroinformaticsAcademy Alright done that ,Thank you
Could you please make tutorial on WEAP software
Thank you for your recommendation!! I will put it in my plans for now just make you subcribe so that you dont miss any released video🙏 once again thank you!
@@HydroinformaticsAcademy I already subscribed your channel looking forward more videos in future
@@aarizahmed4514 I will do my best!! Thank you so much🙏
While you drawing a pipe, why did n't you put auto length on??? To get length according to the coordinate
Because I did not use actual coordinates... based on that if I used that option I would end up with wrong length values!!🙏
NB: I highly recommend to use "auto length" option if you are using actual utm coordinates.
Why is there that the junction from where the valve and pipe is connected have negative pressure in my model?
Did you check everything correctly? Which valve did you use? And for which purpose?!
So sir how I can sert the format of EPS in order to remove 0.00 demand on my model
Did you use EPS in your model? If not then that is not the reason why you get such a problem!
@@HydroinformaticsAcademy no I didnot use EPS, so how can I solve dat problem?
what is the minimum and maximum level if the tank is an elevated tank
Maximum = riser height up to bottom slab + height of tank
Minimum = riser height up to bottom slab + tank inlet pipe height
what is the difference between elevation and total head?
Elevation is the total height measured from m.s.l, total head is simply the summation between elevation and pressure at a given point.
hi teacher, you didnt explain if flow goes negative, what to do, because your flow is positive value, mine has negative value
Hello Saiful! Welcome!
If the flow is negative that indicates that you draw your link opposite to the flow direction! What you need to do is first "right click" the link with negative flow then click "reverse" then run your model again! That will solve the issue! Infact, I talked about it in this tutorial: ruclips.net/video/D_k92sTSu5w/видео.html so if you get chance please go and watch it! Once again Thanks and your welcome!
@@HydroinformaticsAcademy i see, thank you, youre the best
@@sussy_61 Thank you Saiful! Let's keep on learning!!
Puedes facilitar en español por favor. Saludos
Amigo mío, realmente aprecio tus comentarios. Para ser honesto, ¡realmente desearía saber un poco de español! ¡pero creo que en el futuro tendré al menos subtítulos en español! Una vez más, gracias y de nada!
Can we add node points on latitude and longitude base?
I don't get you clearly, do you mean "can we add node point in Lat and Longitude coordinate format" in EPANET?
@@HydroinformaticsAcademy yes!
@@yashkothari3119 Unfortunately NO! The only data format that is compatible with EPANET is UTM data (Eastings and Northings)!
If you have your data in Lat Long format I have some tutorials that can guide you on how to convert them and import them into EPANET..
1. How to convert LatLong coordinates to UTM format, watch this tutorial (You must have QGIS installed on your PC): ruclips.net/video/tmFrNrOs0rU/видео.html
2. After watching that tutorial then you need to watch this tutorial so as you can import your UTM data into EPANET: ruclips.net/video/wslkzGGVuoU/видео.html
I hope it might help!
@@HydroinformaticsAcademy thank you sir
you are welcome @@yashkothari3119
Hello sir one question can confused 🤔 me that how to select length of pipe . And second one is how to select diameter of pipe at different nodes .
And third one is what is range of velocity and pressure head on node .
Plz explain
1. The length of pipe is determined by field survey/measurements
2. Pipe diameter is determined by taking into account velocity, headlosses and even required pressure at a given node! NB: See design manual that is adopted in your region.
3. For the most part required velocity ranges from 0.5 to 1.5m/s! But to get the required velocity and pressure and even headloss gradient please check the design manual that have been adopted in your country/region🙏
See more tutorials on our channel to learn more
@@HydroinformaticsAcademy thanks 👍❤️ sir g for your reply .
One more question that we design for undeveloped region which has no water distribution system. Soo we design for that region soo how to take velocity range for that region .
Second how to take diameter according to velocity . Plz explain
@@HydroinformaticsAcademy sir WhatsApp number Mal sakta ha
Sir, need video on watergems.
I am working on that, Hopefully I will start uploading them soon as I finish the current planned tutorials! Thank you nomad! BTW, If you have not please subscribe and turn ON notification bell so as you don't miss!
@@HydroinformaticsAcademy kind information, already subscribed 🎉
Thank you🙏
I understand this .....but one thing I couldn't understand that is how to find base demand of particular node.
Suraj, welcome!!
Actually this depends enterly on WATER DEMAND ANALYSIS which is perfomed before you start designing your network! Now, it is from water demand analysis you derive or you obtain the amount of water (in L/s) required for each appropriate node.
@@HydroinformaticsAcademy Thank you ..... I will do it.😊
May be in the future we will cover more on that topic!
Thanks alot and you are welcome🙏
@@HydroinformaticsAcademy is there require northing and easting coradinates for analysis
Learn How to use WaterGEMS: ruclips.net/p/PLSxG_R_25yheAURfEa6YF8GKceyMAuvBb
Sizing Pumps in EPANET: ruclips.net/p/PLSxG_R_25yhehTXUDK9Y-FV7hlN1lDMBf
Looped Water Network in EPANET: ruclips.net/p/PLSxG_R_25yhdqZafDtv7G5pRwSl12gOul
Learn how to use CROPWAT: ruclips.net/p/PLSxG_R_25yhdqKWW5MLgPiD39GQonHf9t
Extract Coordinates from Google Earth PRO: ruclips.net/p/PLSxG_R_25yhe_1r4hD-i5ScJVmYl-w1ej
Import Survey Coordinates in EPANET: ruclips.net/p/PLSxG_R_25yhepFFktxF0vATQAqrQ5U6Le
Did Epanet has undo button
Nope! So far I have not seen that option... may be in up coming versions they might introduce it...
i'm confused. where all these numbers come from!!! why are u changing numbers like that. I do not get it!
Joja, Which numbers?
@@HydroinformaticsAcademy Diameter for example. and where all these numbers come from? was it a question or you are making them up or what?
Speaking of diameter values, I was trying to find the best size for the network, with appropriate head loss values!
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