water news online
Why 10 meters is the technical limitation of water lifting in non-pump irrigation now?
I readed a Deutsche news about bionics applications in non-pump irrigation online in July, 2006.
In this news, it is mentioned that the current
technical non-pump water lifting height is 10 metres, and the example in natural reality is about 100 metres. I want to know if the major principle of non-pump water lifting is about the surface tension of water and capillary elevation? I am wondering what are the major obstacles for artificial technique to reach the natural one.
From the formula of capillary elevation, it seems that the water lifting height could reach about 1000 metres (order of magnitude) if the redius of the capillary was about 10 nanometres (order of magnitude). Am I right or wrong in using the formula to make such a theoretical estimation? Are there any limited conditions for using the formula, which may not allowe me to apply it in such a huge scale? May be that there is difficulty in practice to achieve the theoretical one?
Thanks for helps!
Tom
The lifting height is limited by the atmospheric pressure. The latter can support a column of about 10 meters of water. Compare this to with how a barometer works: in this case atmospheric pressure supports a column of about 76 cm of mercury.
water news online
Home Water Damage Prevention and Repair
Unwelcome water can be a very serious problem, as it can cause an incredible amount of damage in a short amount of time. Damage can begin within minutes of water invasion, so prompt action is vital following a water-related accident or disaster. Water can destroy carpeting, furniture, and important documents and memorabilia. It can rot the wood in your floors, de-laminate materials like plywood, and rust metal items. Severe water damage can threaten the structural integrity of your entire home, and be very costly and time-consuming to repair.
Your home can sustain water damage from many different sources, be it a burst water pipe or a natural disaster like a flood, hurricane, or tornado. Water-related emergencies are often unpredictable, and can result in serious harm to your home and property. The good news is that you can help reduce the risk of water damage to your home, as well as limit the extent of the damage when and if a problem does occur.
Routine maintenance and regular inspections are the key to protecting your home from potential water-related threats. Despite your best efforts, though, small leaks can appear independently of disaster or water-related accident and, if undetected, can begin causing damage before you even realize something is wrong.
Whether it be due to an accident like a burst or leaky pipe, or a natural disaster, water damage is serious business, which is why proper home maintenance is so important. A well-maintained home retains or even increases its value, which is good news for you as a homeowner. It is also better protected against the elements and better able to withstand whatever accidents or natural disasters come your way.
It’s important to get repairs underway promptly when you detect a problem, with help from experts you can trust. At 911 Restoration, we offer full and complete restoration services, including Pack Out services and storage, so your valuable belongings are protected during the remediation process. We can help you with damage assessment, water extraction, drying and dehumidifying of damaged areas, and mold removal and prevention. We have over 30 years of experience in the industry, and are available 24/7 for all your water-related emergency needs. Call us at 888.243.6653 or visit us online at http://www.911restoration.com/
About the Author
911 Restoration provides full-service water damage restoration and mold remediation services across the U.S. and Canada. Our goal is to provide a safe, healthy environment for our customers. We have over 30 years of experience, and our experts are available by phone or internet 24 hours a day, 7 days a week for all your water emergency neds.
Do governments read the realtime sociological info available online in order to predict better world outcomes?
…me think it advantageous for world peace–once again–for Mexico to have had a multi billion dollar network laid down in Mexico spearheaded by Carlos Slim…
…don’t they have supercomputers that do this?…
FREE HAITI!
…lol actually, after measuring the waters, my friends in Miami are more than willing to embrace Haitian refugees with open arms (official news and personal friends I’ve kept in touch with)….
…now it’s all a matter of somehow telling Haitians that the time is RIPE to escape, but that’s like mama telling you it’s OK when you know you could be doing more…but I don’t have a vagina…sooooooo….
“all contributed memory complements exponential discourse!!!”
No.
Unimpressive.
Evening News Online, 07.25.10
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