Section 8 External atmosphere temperature
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Submarine Assurance Framework, July 2022 - Volume 1 Submarine Assurance - Part 4 Whole Boat Requirements - Chapter 2 Transverse Criteria - Section 8 External atmosphere temperature

Section 8 External atmosphere temperature

Parent topic: Chapter 2 Transverse Criteria

8.1 Functional objective

8.1.1 The submarine, systems, equipment and components shall be able to operate when exposed to the range of external atmospheric temperatures which can be experienced by the submarine in all foreseeable operating conditions.

8.2 Performance requirements

8.2.1 The maximum and minimum static atmospheric external temperature shall be defined for areas of submarine operation.

8.2.2 External temperature from munition effects is to be defined as a survivability requirement. See Vol 1, Pt 4, Ch 8 Survivability.

8.2.3 The localised maximum transient temperature shall be defined for weapon system operations, e.g. missile efflux, or transition to sea water temperature, e.g. solar heated casing cooled on diving.

8.2.4 The localised maximum transient temperature shall be defined for exhaust systems and components, e.g. snort system exhaust valves.

8.2.5 The systems, equipment and components are to be verified as being effective and safe for the full range of external temperatures.

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