Section 1 General requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 2 Machinery and Engineering Systems - Part 2 Prime Movers - Chapter 3 Steam Turbines - Section 1 General requirements

Section 1 General requirements

Parent topic: Chapter 3 Steam Turbines

1.1 Application

1.1.1 This Chapter is to be read in conjunction with the General Requirements for Machinery and Engineering Systems in Vol 2, Pt 1, Ch 1 General Requirements for Classification of Engineering Systems and Vol 2, Pt 1, Ch 3 Requirements for Design, Construction, Installation and Sea Trials of Engineering Systems.

1.1.2 The requirements of this Chapter are applicable to steam turbines for main propulsion and other Mobility and/or Ship Type systems.

1.1.3 Where exhaust gas emissions abatement equipment is fitted to steam-raising plant, it is to meet the requirements of Vol 2, Pt 12 Emissions Abatement Plant.

1.2 Power ratings

1.2.1 In this Chapter, where the dimensions of any particular component are determined from shaft power, P, in kW, and revolutions per minute, R, the values to be used are those defined in Vol 2, Pt 1, Ch 3, 4.3 Power ratings.

1.3 Power conditions for generator sets

1.3.1 Auxiliary steam turbines coupled to electrical generators are to be capable under service conditions of developing continuously the power to drive the generators at full rated output and of developing for a short period (15 minutes) an overload power of not less than 10 per cent, see Vol 2, Pt 9 Electrotechnical Systems.

1.4 Inclination of ship

1.4.1 Main and auxiliary steam turbines for Mobility and/or Ship Type systems are to operate satisfactorily under the conditions as shown in Table 3.4.2 Inclinations in Pt 1, Ch 3.

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