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几年来,瑞典海军大力研 制各种新型潜艇,先后推 出独具匠心的“西约特兰” 级、“哥特兰”级,并正在全力研制“2000”级潜艇,真可谓“好艇连台”。 “哥特兰”级潜艇和将于21世纪初加入海军序列的“2000”级潜艇无论与以往的潜艇相比,还是与其他发达国家潜艇相比,都有许多重大的甚至是划时代意义的突破。 别出心裁的动力装置 首先是潜艇的动力装置。传统的常规动力潜艇主要动力采用蓄电池组和柴油机,在水下以高速航行时,只能持续航行很短的时间;即使以低速航行,也才维持数十小时至少上百小时。瑞典研制的这两级潜艇,都属于常规动力潜艇,但其动力装置却别出心裁,即在柴电动力装置的基础上加装了一斯特林发动机系统,从而大大提高了潜艇时间。
Over the past few years, the Swedish Navy has been vigorously developing various new submarines and successively introduced the “West Yotland” class and the “Gotland” class. The Swedish Navy is also working hard to develop a “2000” class submarine. “Gotland” class submarines and “2000” class submarines, which will join the Navy in the early 2000s, have many major and even epoch-making breakthroughs compared with the previous submarines or submarines in other developed countries . Ingenuity of the power plant is the first submarine power plant. Traditional conventional submarines are mainly powered by battery packs and diesel engines. They can only sail for a short time while traveling underwater at high speed. They can maintain at least hundreds of hours for tens of hours even at low speeds. These two submarines developed by Sweden are all conventional submarines, but their power plants are ingenious. That is, a Stirling engine system is installed on the basis of the diesel-electric power plant, which greatly improves the submarine's time.