Dimensions (preferably small), and the materials (plexi glass, concrete and ...), outlet spillway, Slope, kind of sediment, and all parameters affect the results.
There are no strict guidelines with regard to your query. However, you have to design your experiment in the best possible way for you to achieve your set objectives which should be clearly spelt out. What do you intend to achieve in your experiment ?
This experiments is done to simulate the urban run off flow in urban water channel. We decided to control storm water management and try to penetrate a part of urban run off to acquires.
Yes, there are some basic considerations that can serve as a guide:
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First check you wish to study this small installation assuming it represents a scale model. That is, if the installation in addition to showing the sediment transport phenomena it serves to simulate reduced model in any real situation, it is necessary to scale as a model of Froude number reduction ratios consistent with the model prototype relationship.
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Second, set a reduction scale, check the fall velocity relationship between model and prototype (simulate sand with sand, for example, does not allow reduction of larger scales).
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Third, look for cheap materials and without environmental problems in handling and disposal (sand, for example, has problems handling).
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Fourth, check the type of particle size distribution that you want to simulate in nature.
A groups of research papers in the 1960's provide the basic science to be considered. I seem to remember one by Alan Jopling in the Journal of Sedimentary Petrology -- 1964 I think it was-- that discussed flume design.
The problem is that good old texts are not scanned on the Internet (including references are not)! And as most of the universities of today are a few new works on paper.
Yes, Rogerio, we are losing most of the science that has been so carefully done over the past few centuries. I should have thought of that. Well, I just donated my library to another institution so I can't go and pick it off the shelf anymore either!!! Sorry. Guess progress isn't always "Progress".
Yes you are both right and the situation is worst especially for me because of I am not able even to reach online sources and for my request about the Flume Design I havent found well established and orgnized sources till now, to do this vast project i really need at least an experimental sample (flume) for our project to simulation. I would be very grateful to benefit from your valuable ideas and assistance, however in the primarily steps of our project I cant discuss in details in public and prefer to be in touch in private.
If you want to email for further information, no problem, I can only say that as I am retired and do not want to bother me in my life, do not want to engage me in professional projects, but some quick advice I can still give.