Consultation outcome

12b. Marine Engineering - Applied Thermodynamics (Management Level)

Updated 18 July 2023

Marine Engineering - STCW III/1 CoC
Competency/ Module: Marine Engineering: Applied Thermodynamics (Management Level)
Knowledge, understanding and proficiency	Recommendation of working group regarding the outcome and objective.	Rationale	Action required
Outcome1: Analyse the use of multistage reciprocating air compressors	Keep	Relevant	None
1.1 P-V diagrams to describe ideal and actual cycles for multistage compression	Keep	Relevant	None
1.2 Effect of intercooling between stages by calculating heat transfer during compression and cooling	Keep	Relevant	None
1.3 Work transfer for ideal and actual cycles including clearance for multistage compression	Keep	Relevant	None
1.4 Isothermal efficiency	Keep	Relevant	None
1.5 Indicated and input power requirements	Keep	Relevant	None
Outcome 2: Apply the concept of reverse heat engine to refrigeration and recognise the properties of common refrigerants	Keep	Relevant	None
2.1 Concept of entropy to refrigeration using tables and formulae	Keep	Relevant	None
2.2 Vapour compression cycles and reversed Carnot cycle using p-H and T-S diagrams	Keep	Relevant	None
2.3 Effects of superheating and undercooling and describe the effects using p-H and T-S diagrams	Keep	Relevant	None
2.4 COP of actual plant and compare to COP of reversed Carnot cycle	Keep	Relevant	None
2.5 Use of intermediate cooling and evaluate the application of intermediate cooling by flash chamber	Keep	Relevant	None
Outcome 3: Determine the efficiency of steam plant and power from a velocity and a pressure compound steam turbine	Keep	This outcome is still relevant – with emissions becoming a greater focus, more and more methods of waste heat recovery are being looked at. One of the most common methods is to use a turbo generator, so a small steam driven generator. While the size of the turbines is small the principles are the same.	None
3.1 Heat energy distribution in a boiler and compile a heat balance account.	Keep	Relevant	None
3.2 Thermal efficiency	Keep	Relevant	None
3.3 H-S and T-S charts to evaluate and analyse the basic Carnot and Rankine cycles including improvements from superheating, reheating and feed heating	Keep	Relevant	None
3.4 Steady flow energy equation to steam nozzles to calculate throat and exit velocities	Keep	Relevant	None
3.5 Reasons for change of nozzle form and convergent and convergent/divergent sections	Keep	Relevant	None
3.6 Blade velocity diagrams for impulse and reaction turbines, kinetic and leaving losses	Keep	Relevant	None
3.7 Stage power, stage efficiency and stage axial thrust for a velocity and pressure compounded turbines and the number of stages from given steam conditions for a reaction turbine	Keep	Relevant	None
Outcome 4: Solve problems involving fluid mechanics in pipes, pumps, meters and jets	Keep	Relevant	None
4.1 Flow velocities and pressures in parallel and tapering pipe work systems and Bernoulli’s equation	Keep	Relevant	None
4.2 Venturi meters	Keep	Relevant	None
4.3 Forces on pipe bends	Keep	Relevant	None
4.4 Motion of hydraulic jets in relation to projectile theory	Keep	Relevant	None
4.5 Power for centrifugal pumps and evaluate performance	Keep	Relevant	None
Proposal submitted by:	Any other outcomes for this competency, above and beyond STCW which would be needed due to use of modern technology and impact of future fuels onboard:
	Objective	Reason Why	Action required
Cadet Training & Modernisation Working Group	Include Human Element Factors throughout the syllabus	To provide seafarers with a contextualised understanding of the Human Element in the maritime industry, showing how they can put theory into practice in the work they carry out at sea.	Raise awareness throughout the Cadet’s training of the areas in which human element factors will have an impact. Recommendations on where this can be included have been noted throughout the entire syllabus. Not every template has Human Element Factor recommendations but please do add any you feel may have been missed.
Cadet Training & Modernisation Working Group	Include Data Science skills throughout the syllabus	Data Science Skills (Comprehension, Analysis, Presentation, etc…) are already required within much of the syllabus. A further, specific focus on these skills needs to be taught where relevant.	A specific topic will need to be introduced to improve Cadets’ Data Science skills. Practical application of data science skills should be highlighted throughout the syllabus. Not every template has Data Science recommendations but please do add any you feel may have been missed.
Cadet Training & Modernisation Working Group	Ensure all outcomes are contextualised to help Cadets understand what they are learning in relation to what they will experience at sea.	While some outcomes are intrinsically linked to work carried out at sea, some need to be contextualised to show how they apply to work on board. Where this is the case, it is important to make sure Cadets clearly understand how the outcome relates to work at sea and it is essential to make sure that this context is given with reference to current and future seagoing technologies and practices.	Where outcomes do not specifically cover a topic which relates to work carried out at sea, more must be done to contextualise the outcome and make it relevant to the maritime industry, giving specific shipping examples of how the outcome may be applied in a modern shipping context. Not every template has contextualisation recommendations but please do add any you feel may have been missed.