ABSTRACT

The new Deep-draft Cylindrical Offshore Nuclear Power Platform (DCOP), which combines some characteristics of Classical Spar Platform (SPAR) and Cylindrical Drilling Platform (CDP), is an excellent carrier for future offshore nuclear power plants. In this paper, the hydrodynamic performance of DCOP is calculated comprehensively, which includes time-domain and frequency-domain analysis of motion and mooring tension response, proving that it has excellent hydrodynamic performance in the target sea area of the South China Sea. Through the comparative analysis of related parameters of SPAR and CDP with the same displacement, it is proved that DCOP combines the advantages of the other two platforms and has the best comprehensive performance.

INTRODUCTION

In recent years, with the progress of ship and ocean engineering technology, island city construction, seabed oil and gas exploitation and seabed mineral exploitation have become the focus of Marine development of major countries in the world, and various infrastructure projects and Marine equipment are under research or practice. Providing strong and stable power for these construction projects and Marine equipment is another focus of the ocean development process.

Floating nuclear power plant (Zou et al., 2019), which is the construction of nuclear power plants on ships or offshore platforms can provide strong and stable power resources for far-offshore areas. Scholars from various countries have explored and proposed a variety of typical offshore nuclear power platform concepts (Lee et al., 2015), including ship type, concrete gravity based structure (GBS), sinking type and cylinder type platforms. One ship type platform mainly Russia's "The Academician Lomonosov" (Kostin et al., 2007), subsided Flexblue Marine nuclear power plants (Haratyk et al., 2014) by the French state-owned ship manufacturing companies are developing the design, South Korea design of concrete gravity based structure (GBS) (Lee et al., 2013) type floating nuclear power plants can reduce the marine environmental load on the platform, the Massachusetts Institute of Technology (MIT) proposed the concept of offshore cylindrical floating nuclear power platform by referring to the design of cylindrical FPSO (Buongiorno et al., 2016).

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