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22-05-2004, 02:10 PM | #51 | |
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Yes I understand what is a venturi and the principle behind a venturi skimmer. You seems to be an engineer. I am not an engineer, you should know more than I do but I'm just telling you what I think and what I have experienced. I only have taken some modules on hydraulic, although it is just a scratch on the surface. Bro, too high flow can overflow, may be you have never seen one skimmer that overflows. But it will and I have seen it. Although upon using higher flowrate you will have more loss of flow in the venturi, nevertheless the eventual flow will increase, though not in a propotional manner. Consider the difference of weipro 2011 and 2014, they have the identical inlet and outlet size, made of the exact same material, but they have different "recommended" flow. The difference is only at the reaction chamber being 2014 have a larger reaction chamber. The larger the reaction chamber, the less likely that it overflows. But I agree with you that it is going to be able to take a lot of flow. AndI agree that the skimmer costruction will not be able to take a pressure that is too high. But most of the pressure will be at the pipings before the venturi, that will be the part to burst if it is going to burst. And I believe that the most powerful pumps that is normally available are not capable of doing so. |
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22-05-2004, 02:11 PM | #52 |
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ok well defined..
so bonjour2, take note the above statement does not imply to all, especially if u intend 2 keep territorial tangs. they need lots of swimming space. |
22-05-2004, 02:15 PM | #53 | |
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Bro, tell me your understanding then? |
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22-05-2004, 02:21 PM | #54 | |
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22-05-2004, 02:40 PM | #55 | |
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after these lengthy debate, i think i understand u more. i think u like 2 understand things 2 the fullest. like u said, u r not engineer trained. i was n i took almost 6mths 2 fully understand tis theory. on the surface, it sounds simple. but there r still many factors 2 consider. many times during my course of training, ppl often get mix up wif weight n mass, pressure n force, torque n horsepower, speed n velocity, volume n flowrate......... ur pt of view is right, in a lay-man term. but 2 a professional, it need more detail explanation. tat is y i told jeff i would explain in simplicity. n it has been yrs since i touch on tis theory, n tat is y i believe i has forgotten some of the principles behind it. think we shd stop here, we r going further n further away. we r going out of topic. anyway, good 2 hav a debator like u ard. it's fun n ppl will learn more things. cheers |
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22-05-2004, 03:42 PM | #56 |
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Er... bro devilfire & Navyblue. After reading the discussion, I have only 1 conclusion. WE ARE OUT OF TOPIC! Sorry bonjour2.
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23-05-2004, 01:51 AM | #57 | |
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Yes I agree we should stop hehe ... I think debate in theory is a moot because there is no way for us to know is the flow too much for the venturi, we don't know to what extend that the manufacturer overstate or understate the flow requirement. Thus only one thing here that can proves the fact, that is by experiment. I got better skimmate and bubble production when using more flow which speaks for itself, and do not see any bottle neck effect on bubble production as more flow is used. Bro bonjour2, sorry for the off topic |
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23-05-2004, 03:29 AM | #58 | |||||
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23-05-2004, 03:30 AM | #59 |
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So finally , you guys still remember i exist on earth
Aniway, imo , i think a 1500l/h will be the sufficient for weipro2011 , and the most important regarding the overflow and return is not so much abt the diameter of the pipe, rather the distance from the p/p ( ) to the return in main tank and to account for head loss as the more important issue? Agree bros? Better make some calculations before i waste money on p/p then... |
23-05-2004, 03:37 AM | #60 | |
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