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The Type 051B Luhai-class is a class of destroyer built by the People's Republic of China. It consists of only one ship, No.167 ''Shenzhen''. When ''Shenzhen'' was commissioned into the People's Liberation Army Navy Surface Force in 1998, it was then, the largest surface combatant that China had ever built. It resembles in many ways an enlarged version of the , and is one of the first PLAN ships with a slope-sided hull to reduce radar signature. == History == ''Shenzhen'' was laid down by the Dalian Shipyard in May 1996. The ''Shenzhen'' was intended to be an experimental vessel with improvements over the ''Luhu''-class' in terms of modular construction and stealth. The ship is powered by two indigenous steam turbine engines, due to Dalian Shipyard's experience in steam turbine construction and that Chinese domestic research and development on marine gas turbines had not yet matured. The displacement of the ''Luhai''-class is 2,000 tons heavier than the Type 052 destroyer, ''Luhu''-class. Shenzhen was launched in 1997, although official revelation of the ship's existence did not come until the year following its commissioning. The chief designer of this class is academic, Mr. Pan Jingfu (潘镜芙), who is also the designer of both the Type 051B's predecessor and successor. The main purpose of the Type 051B was to gain experience in modern naval ship design and construction, and refining the knowledge and skills accumulated from the earlier Type 052, such as integrating many different foreign subsystems on the Type 052 more effectively. The ship is powered by steam turbines due to the 1989 western arms embargo and that domestic gas turbines were not ready in time. The Type 051B also employed stealth construction techniques which resulted in a smaller radar cross section in comparison to its predecessor. Analysts speculated that the ship would have been equipped with an VLS system in the forward section for air-defense SAMs. However, when the ship was finally revealed, it was still armed with the 8-cell HQ-7 SAM launcher. These SAMs lack effectiveness against sea skimming missiles with multiple approaching angles. The PLAN was unsatisfied with the design and no further ships of the class were built. At the time, area air defence for the fleet was the PLAN's priority which older systems couldn't sufficiently provide, and since the capability couldn't be served by the final vessel the gap remained open. As a result, the decision to import two pairs of Sovremennyy-class destroyer from Russia was determined to fulfil the role. The sole Type 051B destroyer 167 ''Shenzhen'' participated in the PLA Navy’s first goodwill visit to Africa in 2000, the first visit to Europe in 2001 and the first visit to Japan in 2007. In 2004, the ship received its mid-life modernization refit, with its original 100mm main gun and the HQ-7 air defense missile system being replaced by improved models. Type 051B destroyer 167 ''Shenzhen'' visited Kochi, India for four days in August 2009, after deployment in the Gulf of Aden on anti-piracy operations. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Type 051B destroyer」の詳細全文を読む スポンサード リンク
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