Gemi Makineleri İşletme Mühendisliği Bölümü Koleksiyonu: Recent submissions
Now showing items 1-20 of 27
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The effects of ammonia addition on the emission and performance characteristics of a diesel engine with variable compression ratio and injection timing
(Elsevier Ltd., 2024)Ammonia, future of the carbonless marine fuel, presents significant potential in achieving zero-emission targets within maritime transportation. In this context, this study explores the use of an ammonia/diesel fuel mixture ... -
Prioritizing Shipyard Conversion Requirements Regarding Green Ship and Green Shipyard Concept
(Faculty of Maritime Studies, 2023)Zero waste to zero emission targets set by the International Maritime Organization (IMO) regarding ship emissions until 2070 brought the realization of the green ship and green shipyard concepts to the forefront. Shipyards ... -
Hyperbolic Scenario of Accelerating Universe in Modified Gravity
(MDPI, 2023)Throughout this study, locally rotationally symmetric (LRS) Bianchi type-V space-time is pondered with Tsallis holographic dark energy (THDE) with the Granda–Oliveros (GO) cut-off in the Sáez–Ballester (SB) theory of ... -
Assessment of dry bulk carriers regarding decarbonisation and entropy management
(Taylor and Francis, 2023)The effects of global climate change and related corporate awareness have brought carbon management models to the fore in sectoral strategies aiming to reduce air pollution/carbon emissions. Dry bulk carriers, making up ... -
New approach for assessment of environmental effects based on entropy optimization of jet engine
(Elsevier, 2021)Aircraft engines are the main emission source of the aviation industry and this is a result of the entropy formation that occurs due to the combustion performance of engines. Entropy generation resulting from the irreversibility ... -
Energy Efficiency and Management Onboard Ships
(2023)Maritime transport, which makes up 90% of the world's transport, has improved its responsibilities in combating global climate change with its 2050 commitments within the scope of COP 26. In this context, ships are developing ... -
Green Concept of Ports and Transition Model
(Springer, 2023)Ports with logistics mobility have a critical role in the green transition and decarbonization targets of the sector. The decarbonization determination of maritime transport, supported by the COP 26 sectoral call and the ... -
Investigation of energy efficiency strategies in production processes based on operational management
(Inderscience, 2023)This study, investigates the energy efficiency potential of a cement production process based on the operational control approach, which has been developed. In this context, indicators that concern consumption of specific ... -
Assessment of environmental sustainability with entropy-based indicators for integrated buildings
(Inderscience, 2023)Different climatic conditions directly affect fuel consumption of traditional heating systems in buildings and, together with this system-induced entropy generation, constitute one of the main sources of CO2 emissions with ... -
An on-board energy and environmental analysis within the COVID-19 effects
(Inderscience, 2023)The marine transportation industry, which has made significant steps in recent years to combat climate change and global warming, is heavily influenced by regional and worldwide economic trends. The COVID-19 pandemic, which ... -
Effect of AISI H13 Steel Substrate Nitriding on AlCrN, ZrN, TiSiN, and TiCrN Multilayer PVD Coatings Wear and Friction Behaviors at a Different Temperature Level
(MDPI, 2023)Moving components of industrial machines and tools are subjected to wear and friction. This reduces their useful life and efficiency in running conditions, particularly at high temperatures. One of the most popular solutions ... -
Thermodynamic Analysis of a Closed-Cycle Ocean Thermal Energy Conversion Power Plant for Offshore Platforms
(Society of Naval Architects and Marine Engineers, 2022)he world is currently facing two major challenges: global climate change and sustainable development. Efforts to generate electricity from renewable energy sources continue steadily. In this study, a closed-cycle ocean ... -
Three-dimensional computational analysis of flow over twisted hydrofoils
(Elsevier, 2023)The hydrofoils are frequently employed in many different industrial applications, including submarines, rudders, ship motion controls, and marine propellers. The flow over hydrofoils has been the subject of various research ... -
Nonlinear Love-type waves in a heterogeneous layer sandwiched between two semi-infinite media
(Springer, 2023)Generalized Love-type wave propagation in a nonlinear, heterogeneous, isotropic, low-velocity intermediate layer of uniform thickness lying between two nonlinear, homogeneous, elastic, different half-spaces is examined. ... -
An investigation on a holistic framework of green port transition based on energy and environmental sustainability
(Elsevier, 2022)Ports manage many disciplinary processes in maritime transport and the economic mobility of sectoral stakeholders in a circular economic value chain. This process requires developing a holistic concept to ensure the energy ... -
Existence of solitary SH waves in a heterogeneous elastic two-layered plate
(Springer, 2022)The asymptotic solution of a boundary value problem modelling the propagation of nonlinear shear horizontal (SH) waves in a plate consisting of two layers with uniform thickness is constructed by employing the multiple ... -
Analytical and Numerical Analysis of the Strength Performance of a Novel Ship Construction Profile
(GALENOS YAYINCILIK, 2021)Construction profiles in different shapes such as bulb flats, tees, channels, and angles are widely used in the shipbuilding industry. During the ship construction process, these conventional profiles are joined to the ... -
Investigation of energy efficiency and environmental effects on valuation for bulk carriers
(Inderscience, 2021)Dry cargo vessels consume high energies. Despite the low freight rates, shipowners have to operate their ships in compliance with eco-friendly regulations. The study aims to determine dry cargo vessels' valuation considering ... -
Numerical Modeling of Hydrogen-Rich Gas Production From Gasoline Autothermal Reforming in a Plug Flow Reactor for Electric Vehicles
(American Society of Mechanical Engineers, 2021)Due to the increase in the greenhouse effect, lowering emissions is becoming a certain issue all over the world. It is a concern to develop alternative options to minimize the spread of exhaust gases. For this purpose, in ... -
CFD analysis of jet flows ejected from different nozzles
(Oxford University Press, 2021)Nozzles are widely used to control the rate of flow, speed, direction, mass, shape and pressure of the stream in connection with many different engineering applications. This paper presents the performance predicted by a ...