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This book contains a collection of peer-review scientific papers about marine engines’ performance and emissions. These papers were carefully selected for the “Marine Engines Performance and Emissions” Special Issue of the Journal of Marine Science and Engineering. Recent advancements in engine technology have allowed designers to reduce emissions and improve performance. Nevertheless, further efforts are needed to comply with the ever increased emission legislations. This book was conceived for people interested in marine engines. This information concerning recent developments may be helpful to academics, researchers, and professionals engaged in the field of marine engineering.

Technology: general issues --- CFD --- NOx --- engine --- ammonia --- water injection --- marine two-stroke diesel engine --- mean value engine model --- compressor model --- in-cylinder pressure trace --- model calibration --- marine propulsion system --- shaft generator --- power take-in --- power take-off --- energy efficiency design index --- energy efficiency operational indicator --- gradient vector optimization --- power converter --- torque oriented control --- scrubber --- EGCS --- emissions --- particles --- PM --- BC --- exhaust gases --- on board measurements --- reduction --- gaseous emissions --- biodiesel mixtures --- marine --- turbocharger --- bladed disc --- measurement --- laser --- simulation --- ships diesel engines --- exhaust gas emission --- fuel mixtures --- rapeseed oil methyl ester --- marine diesel oil --- fuel injection parameters --- ship propulsion system --- electric power generating system --- hybrid propulsion --- propulsion control --- LNG --- mission profile --- power take off/in --- pneumatic flexible shaft coupling --- pneumatic tuner of torsional oscillations --- torsional vibration --- semi-active vibroisolation --- constant twist angle control --- fan characteristics --- model-based control --- pneumatic bellows --- MCDM --- marine engine --- injection --- consumption --- method of characteristics --- one-dimensional numerical analysis --- single cylinder diesel engine --- mass flow rate --- intake and exhaust system --- methane slip --- methane oxidation catalyst --- natural gas --- CFD --- NOx --- engine --- ammonia --- water injection --- marine two-stroke diesel engine --- mean value engine model --- compressor model --- in-cylinder pressure trace --- model calibration --- marine propulsion system --- shaft generator --- power take-in --- power take-off --- energy efficiency design index --- energy efficiency operational indicator --- gradient vector optimization --- power converter --- torque oriented control --- scrubber --- EGCS --- emissions --- particles --- PM --- BC --- exhaust gases --- on board measurements --- reduction --- gaseous emissions --- biodiesel mixtures --- marine --- turbocharger --- bladed disc --- measurement --- laser --- simulation --- ships diesel engines --- exhaust gas emission --- fuel mixtures --- rapeseed oil methyl ester --- marine diesel oil --- fuel injection parameters --- ship propulsion system --- electric power generating system --- hybrid propulsion --- propulsion control --- LNG --- mission profile --- power take off/in --- pneumatic flexible shaft coupling --- pneumatic tuner of torsional oscillations --- torsional vibration --- semi-active vibroisolation --- constant twist angle control --- fan characteristics --- model-based control --- pneumatic bellows --- MCDM --- marine engine --- injection --- consumption --- method of characteristics --- one-dimensional numerical analysis --- single cylinder diesel engine --- mass flow rate --- intake and exhaust system --- methane slip --- methane oxidation catalyst --- natural gas

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New adaptive and event-triggered control designs with concrete applications in undersea construction, offshore drilling, and cable elevatorsControl applications in undersea construction, cable elevators, and offshore drilling present major methodological challenges because they involve PDE systems (cables and drillstrings) of time-varying length, coupled with ODE systems (the attached loads or tools) that usually have unknown parameters and unmeasured states. In PDE Control of String-Actuated Motion, Ji Wang and Miroslav Krstic develop control algorithms for these complex PDE-ODE systems evolving on time-varying domains.Motivated by physical systems, the book’s algorithms are designed to operate, with rigorous mathematical guarantees, in the presence of real-world challenges, such as unknown parameters, unmeasured distributed states, environmental disturbances, delays, and event-triggered implementations. The book leverages the power of the PDE backstepping approach and expands its scope in many directions.Filled with theoretical innovations and comprehensive in its coverage, PDE Control of String-Actuated Motion provides new design tools and mathematical techniques with far-reaching potential in adaptive control, delay systems, and event-triggered control.

Boundary value problems. --- Cables --- Control theory. --- Differential equations, Partial. --- Equations of motion. --- Loads (Mechanics) --- Loads (Mechanics). --- SCIENCE / Mechanics / Dynamics. --- Vibration. --- Strains and stresses --- Boundary conditions (Differential equations) --- Differential equations --- Functions of complex variables --- Mathematical physics --- Initial value problems --- Motion equations --- Mechanics --- Lagrange equations --- Partial differential equations --- Dynamics --- Machine theory --- Accelerometer. --- Actuator. --- Adaptive control. --- Aircraft. --- Algorithm. --- Altitude. --- Ammeter. --- Amplitude. --- Angle of attack. --- Attitude control. --- Belt (mechanical). --- Bending. --- Buoyancy. --- Cape Crozier. --- Center of mass (relativistic). --- Center of pressure (fluid mechanics). --- Centrality. --- Centrifugal force. --- Chemical bond. --- Coanda effect. --- Combination. --- Compressibility. --- Contact force. --- Contour line. --- Control limits. --- Control reversal. --- Control variable. --- Convection. --- Coordinate system. --- Coupling. --- Drill bit. --- Dynamic pressure. --- Eigenfunction. --- Elastic instability. --- Elevon. --- Empennage. --- Equation. --- Flapper valve. --- Flight control surfaces. --- Force. --- Frequency domain. --- Frequency response. --- Fuselage. --- Gangway (nautical). --- Hamilton's principle. --- Imagery. --- Increment and decrement operators. --- Inference. --- Initial condition. --- Inspection. --- Laminar flow. --- Limit load (physics). --- Limit set. --- Linearization. --- Longitudinal mode. --- Loop around. --- Mach number. --- Main effect. --- Motion control. --- Motion planning. --- Newton's laws of motion. --- Open loop. --- Order of magnitude. --- Partial differential equation. --- Pitch angle (particle motion). --- Powered lift. --- Pressure. --- Propulsion. --- Publishing. --- Requirement. --- Rotation around a fixed axis. --- Shackle. --- Shear flow. --- Simultaneity. --- Skin friction drag. --- Solver. --- Specific impulse. --- Spiral model. --- Spline interpolation. --- State-space representation. --- Subroutine. --- Thrust vectoring. --- Torsion (mechanics). --- Torsional vibration. --- Trajectory. --- Transfer function. --- Transformation matrix. --- Transonic. --- Unit vector. --- Upper and lower bounds. --- Vector field. --- Vector projection. --- Vertical stabilizer. --- Vestibular system. --- Vibration control. --- Wind tunnel. --- Wire rope. --- SCIENCE / Mechanics / Dynamics --- MATHEMATICS / Applied

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This book contains a collection of peer-review scientific papers about marine engines’ performance and emissions. These papers were carefully selected for the “Marine Engines Performance and Emissions” Special Issue of the Journal of Marine Science and Engineering. Recent advancements in engine technology have allowed designers to reduce emissions and improve performance. Nevertheless, further efforts are needed to comply with the ever increased emission legislations. This book was conceived for people interested in marine engines. This information concerning recent developments may be helpful to academics, researchers, and professionals engaged in the field of marine engineering.

Technology: general issues --- CFD --- NOx --- engine --- ammonia --- water injection --- marine two-stroke diesel engine --- mean value engine model --- compressor model --- in-cylinder pressure trace --- model calibration --- marine propulsion system --- shaft generator --- power take-in --- power take-off --- energy efficiency design index --- energy efficiency operational indicator --- gradient vector optimization --- power converter --- torque oriented control --- scrubber --- EGCS --- emissions --- particles --- PM --- BC --- exhaust gases --- on board measurements --- reduction --- gaseous emissions --- biodiesel mixtures --- marine --- turbocharger --- bladed disc --- measurement --- laser --- simulation --- ships diesel engines --- exhaust gas emission --- fuel mixtures --- rapeseed oil methyl ester --- marine diesel oil --- fuel injection parameters --- ship propulsion system --- electric power generating system --- hybrid propulsion --- propulsion control --- LNG --- mission profile --- power take off/in --- pneumatic flexible shaft coupling --- pneumatic tuner of torsional oscillations --- torsional vibration --- semi-active vibroisolation --- constant twist angle control --- fan characteristics --- model-based control --- pneumatic bellows --- MCDM --- marine engine --- injection --- consumption --- method of characteristics --- one-dimensional numerical analysis --- single cylinder diesel engine --- mass flow rate --- intake and exhaust system --- methane slip --- methane oxidation catalyst --- natural gas --- n/a

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Recent advancements in mechanical engineering are an essential topic for discussion. The topics relating to mechanical engineering include the following: measurements of signals of shafts, springs, belts, bearings, gears, rotors, machine elements, vibration analysis, acoustic analysis, fault diagnosis, construction, analysis of machine operation, analysis of smart-material systems, integrated systems, stresses, analysis of deformations, analysis of mechanical properties, signal processing of mechanical systems, and rotor dynamics. Mechanical engineering deals with solid and fluid mechanics, rotation, movements, materials, and thermodynamics. This book, with 15 published articles, presents the topic “Symmetry in Mechanical Engineering”. The presented topic is interesting. It is categorized into eight different sections: Deformation; Stresses; Mechanical properties; Tribology; Thermodynamic; Measurement; Fault diagnosis; Machine. The development of techniques and methods related to mechanical engineering is growing every month. The described articles have made a contribution to mechanical engineering. The proposed research can find applications in factories, oil refineries, and mines. It is essential to develop new improved methods, techniques, and devices related to mechanical engineering.

traveling waves --- vibration stability --- self-excited vibration --- thin spur gear --- variational mode decomposition --- signal analysis --- time-frequency analysis --- center frequency method of double thresholds --- Hilbert transform --- finite-time control --- terminal sliding mode --- chattering --- neural network --- thin-walled structures --- higher-order deformation modes --- identification --- doubly symmetric cross-sections --- shell-like deformation --- dual mass flywheel --- absolute sensitivity --- relative sensitivity --- torsional vibration --- spring --- Dempster’s rule --- evidence distance --- pattern recognition --- maritime surveillance --- customer needs --- bad parameters --- core problems --- design process --- conceptual design --- time-varying P-type IL method --- MFA control --- imprecise probability --- active control --- piezoelectric cantilever plate --- image processing --- particle --- distribution --- rolling bearings --- Fault diagnosis --- second-order tristable stochastic resonance --- seeker optimization algorithm --- output signal-to-noise ratio --- global optimization --- meta-heuristic --- butterfly optimization algorithm --- cross-entropy method --- engineering design problems --- grinding --- rheology --- breakage parameters --- relative viscosity --- tool wear state --- CNN --- BiLSTM --- attention mechanism --- signal features --- vibrations --- symmetries --- two-engine vehicle --- rear clutch --- front clutch --- vibration modes --- granulation --- on-line monitoring --- fertilizers --- parallel robot --- minimally invasive procedures --- algebraic modeling --- Study parameters --- fractional damping --- vibration --- dynamic behaviour --- hybrid mechanism --- helicopter --- abrasive belt grinding --- predictive model --- regression --- material removal --- electric vehicles --- PMSM --- auxiliary slot --- response surface methodology --- n/a --- Dempster's rule