Hello everyone, I'm just back from the wilderness after testing a lighter-weight (shore-based) mounting stand, based on 4x4's (instead of 6x6's). It worked OK,...
Hello everyone: I have designed and built a new creekside/riverside portable mounting platform for the creek powered irrigation pump, which would also be...
Hello fellows, What is the highest possible water pumping system is available in market? I am talking about the motor rating (kwW or MW) of the motor-pump set....
Razzaqul Ahshan
rahshan05@...
Jul 15, 2009 6:01 am
11296
hi everyone, a quick question about max/optimal flow rates in tubes. I have a 12" penstock with a length of 580m and head of 49m. Running the numbers through...
JDR Cable Systems Ltd, a leading provider of custom designed and manufactured subsea power cables, umbilical systems and specialised marine cables, has been...
Hi all, A few minutes ago I published a web page with complete building information about my homemade ELC. This is an 8-channel quartz-controlled ELC, using...
Yes, there is much more to optimisation than just doing fluid calculations. Usually, the objective is to generate as much power as possible and still keep...
In his posting of Sat, 18 Jul 2009, Manfred Mornhinweg writes ... Dear Manfred I've just spent time enjoying the story of the construction of your turbine...
A head loss of 33% is far too high. See article below extracted from one of the hydropower design guidelines available on the Internet. Penstock diameter The...
ChuckMSN
chutton681@...
Jul 21, 2009 5:53 am
11302
The flow rate appears to be about the right amount to minimize head loss and produce a reasonable velocity Optimization of the flow rate and penstock diameter...
ChuckMSN
chutton681@...
Jul 21, 2009 5:53 am
11303
I have made a PDF of Manfred write up, including the source code at the end of the write up if anyone wants it , let me know Nando ... From: Manfred Mornhinweg...
Nando
nando37@...
Jul 21, 2009 5:54 am
11304
Max: I agree that the "optimization" may be the first step for the owner of the virgin water source, and another thing if some infrastructure , like the piping...
Nando
nando37@...
Jul 21, 2009 5:54 am
11305
I want to buy a project in Romania. The owner of the project provide me a feasibility study, but I'm not sure that the water debit values mentioned there are...
Dear sirs, I am now clear for penstock Dia. Reading Layman's book I am not very sure yet what is the meaning of "rated discharge'' or/and rated power,...
dear friend kindly send me a copy of the pdf file for the homemde elc . i would like to build it soon.What is the cost estimate?if anyone has built it do let...
Chuck: You forgot to include the source of your article part to really expand the info you presented in a very small snippet Max may need to present a...
Nando
nando37@...
Jul 22, 2009 7:57 pm
11309
Eduard, The rated discharge is the maximum flow rate that the particular piece of equipment is designed to handle. The term can apply to the penstock, turbine...
Hi Shabab, ... The total cost for all the parts to build my ELC, as shown in the first photo on the web page (that is without housing nor dump loads), and ...
Dear Nando,  Please be kindly advised to send me the ELC phd file for homemade. I am very interesting in making it by myself. Thanks and Regards  Antonio C...
What options are there for underwater/submersible micro hydro? I live on the Yakima River in WA state, I want to be able to grid tie it, I have a barb for...
Hi, I am a student at a small technical school in northern New York (Clarkson Univeristy). I will be graduating with a degree in Industrial Engineering in...
Eric Ludovici
ludoviem@...
Jul 23, 2009 8:27 am
11314
The source is the Guide on How to Devleop a Small Hydropower Plant published by ESHA. It can be downloaded at: ...
ChuckMSN
chutton681@...
Jul 23, 2009 8:29 am
11315
By way of a brief clarification as Nando has suggested, we note that there are two separate classes of optimization problem being discussed in this thread. In...
Dear WA resident, There are a number of systems on the market that will tap into the river you desire. Unfortunately, they are either larger than you...
sdgregory@...
Jul 24, 2009 7:59 am
11318
Jobs in hydro..I'd suggest getting a subscription to WATER POWER magazine since it has a global reach and puts you in competition with engineers from ...
There is at least one taftrail generator sold to sail boat owners by RUTLAND to keep batteries charged. There is another company in Switzerland but they...
Seems like other pipe diameter factors are the cost of replacement electricity eg., diesel generation, cost of pipe, interest rates for financing, and...
Dear all, I have made crossflow turbine under 50kW (SKAT T1 and T3 design).Now,I want to get crossflow turbine design from 50 kW to 300 kW.How will I do and...
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