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 !@#

link 8.09.2011 11:43 
Subject: волноопасное направление ветра gen.
Здравствуйте все!
Помогите, пожалуйста, перевести два термина:

1 - волноопасное направление ветра
2 - ветер на местном разгоне

Контекст:
"Для получения расчетных скоростей ветра расчетных повторяемостей отдельных волноопасных румбов были определены значения обеспеченностей F% для каждого волноопасного румба при его повторяемости 1 раз в 50 лет и в год. При этом время действия для румбов открытого моря принималось равным 12 ч, для ветров на местном разгоне – 6 ч.
Повторяемость волноопасного направления ветра (в долях единицы от суммы повторяемостей всех направлений) выражена ... (значок)"

"hazardous wave direction" и "fetch" нашел, но не уверен, что это - точно то, что мне нужно.
"Hazardous wave direction of the wind" и "wind at local fetch" радуют, но не гуглятся. ПОМОГИТЕ!

Заранее благодарю всех

 Gennady1

link 8.09.2011 11:53 
wave generation гуглится
hazardous wave generating wind

 !@#

link 8.09.2011 12:17 
Gennady1, спасибо

 10-4

link 8.09.2011 12:40 
На вашу тему (писали, правда, голландцы)

In the northern Caspian, the strongest winds occur between November and April, with typical maxima reaching 30 m/sec. The summer months are more benign, with wind speeds only rarely exceeding 15 m/sec. The most frequent winds are from the east and the strongest winds from the west south-west. However weather can be quite variable due to topographic effects of the Caucasus Mountains to the west.
The correct selection of wind speed averaging periods for the application is important for engineering design. The wind speed extreme value will increase as the averaging period becomes shorter. Wind speeds also generally increase with height above the ground and at higher altitudes. Wind speeds are quoted for a height of 10m above the surrounding ground level and design values should be adjusted for increased heights of any structures. For structure between sea level and 10m the 10m value should be used.
Localized extreme features such as waterspouts and tornadic waterspouts are considered to have rare occurrence in the Caspian Sea, although there have been sightings in the north-east Caspian. Waterspouts form when there is moist, unstable air, a warm water surface and a convergent boundary (i.e. land or sea breeze fronts or other mesoscale wind feature). Tornadic waterspouts form in the same manner, but in addition the vertical wind shear causes rotation of the convective cloud (almost always a full-grown cumulonimbus) and can cause considerable damage.
In the northern Caspian the waves are all locally wind generated waves and are hence restricted due to the short fetch and the shallow water depth. Propagation of swell waves from the south is restricted by the shallow water locally known as ‘The Saddle’ and has little influence on this area. Hence seas typically have low wave height but short steep waves. Due to the fetch limitation wave heights will change across the area and at Pearls waves propagating from the south and west will be largest. It should also be considered that increased water level in a positive surge or increased Caspian Sea level might increase wave heights above those possible without this water depths change

 tumanov

link 8.09.2011 13:08 

 !@#

link 8.09.2011 13:31 
спасибо всем за помощь!

 

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