Bibliografie tematiche / Shipping Mathematical models / Articoli di riviste
Segui questo link per vedere altri tipi di pubblicazioni sul tema: Shipping Mathematical models.

Articoli di riviste sul tema "Shipping Mathematical models"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 31 gennaio 2023

Cita una fonte nei formati APA, MLA, Chicago, Harvard e in molti altri stili

Scegli il tipo di fonte:

Vedi i top-50 articoli di riviste per l'attività di ricerca sul tema "Shipping Mathematical models".

Accanto a ogni fonte nell'elenco di riferimenti c'è un pulsante "Aggiungi alla bibliografia". Premilo e genereremo automaticamente la citazione bibliografica dell'opera scelta nello stile citazionale di cui hai bisogno: APA, MLA, Harvard, Chicago, Vancouver ecc.

Puoi anche scaricare il testo completo della pubblicazione scientifica nel formato .pdf e leggere online l'abstract (il sommario) dell'opera se è presente nei metadati.

Vedi gli articoli di riviste di molte aree scientifiche e compila una bibliografia corretta.

1

Gençer, Hüseyin, and M. Hulusi Demir. "Optimization of Empty Container Repositioning in Liner Shipping." Business and Management Horizons 8, no. 1 (January 23, 2020): 1. http://dx.doi.org/10.5296/bmh.v8i1.16327.

Testo completo
Abstract (sommario):
Empty container repositioning (ECR), which arises due to imbalances in world trade, causes extra costs for the container liner carrier companies. Therefore, one of the main objectives of all liner carriers is to reduce ECR costs. Since ECR decisions involve too many parameters, constraints and variables, the plans based on real-life experiences cannot be effective and are very costly. For this purpose, this study introduces two mathematical programming models in order to make ECR plans faster, more efficient and at the lowest cost. The first mathematical programming model developed in this stu
Gli stili APA, Harvard, Vancouver, ISO e altri
2

Vilenskii, O., S. Dushev, D. Lapshin, E. Novinskii, and A. Tatarskii. "MATHEMATICAL ANALYSIS OF AIRCRAFT TURBINE COLLISION WITH SHIPPING PACKAGE." PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY. SERIES: NUCLEAR AND REACTOR CONSTANTS 2021, no. 3 (September 26, 2021): 106–22. http://dx.doi.org/10.55176/2414-1038-2021-3-106-122.

Testo completo
Abstract (sommario):
The aim of the paper is to substantiate the developed shipping package integrity on the basis of mathematical analysis of postulated scenarios for the heaviest dynamic effects using verified behavior models for applied structural materials and modern certified finite element software package. The shipping package is permitted to transfer to the limiting condition in the result of impact, when its further operation is not acceptable, and recovery of its functional condition is not expedient, excluding the possibility of falling out of the nuclear fuel (NF) or distortion of the relative position
Gli stili APA, Harvard, Vancouver, ISO e altri
3

ABRAMOV, A. D., and G. S. ABRAMOV. "ANALYSIS OF MATHEMATICAL MODELS OF MARITIME SHIPPING TRENDS IN A CRISIS ENVIRONMENT." Applied Questions of Mathematical Modeling 4, no. 2.2 (2021): 16–24. http://dx.doi.org/10.32782/kntu2618-0340/2021.4.2.2.1.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
4

Field, David A., and Dennis E. Blumenfeld. "Supply Chain Inventories of Engineered Shipping Containers." International Journal of Manufacturing Engineering 2016 (December 5, 2016): 1–8. http://dx.doi.org/10.1155/2016/2021395.

Testo completo
Abstract (sommario):
Manufacturing operations that assemble parts often receive components in expensive highly engineered shipping containers. As these containers circulate among suppliers, assembly operations, and logistic providers, they require inspections and repairs. This paper presents mathematical models that predict the number of available containers as functions of damage, repair times, and scheduled daily production. The models allow making complex decisions with a few basic parameters. Results not only show a minimal investment in the number of containers and safety stock but also quantify the dependenc
Gli stili APA, Harvard, Vancouver, ISO e altri
5

Dulebenets, Maxim A. "Advantages and disadvantages from enforcing emission restrictions within emission control areas." Maritime Business Review 1, no. 2 (June 30, 2016): 107–32. http://dx.doi.org/10.1108/mabr-05-2016-0011.

Testo completo
Abstract (sommario):
Purpose Emissions produced by oceangoing vessels not only negatively affect the environment but also may deteriorate health of living organisms. Several regulations were released by the International Maritime Organization (IMO) to alleviate negative externalities from maritime transportation. Certain polluted areas were designated as “Emission Control Areas” (ECAs). However, IMO did not enforce any restrictions on the actual quantity of emissions that could be produced within ECAs. This paper aims to perform a comprehensive assessment of advantages and disadvantages from introducing restrictio
Gli stili APA, Harvard, Vancouver, ISO e altri
6

Xiao, Ruiqi, Lin Pan, Hanbin Xiao, Han Xiao, and Ze Zhu. "Research of Intelligent Logistics and High-Quality Economy Development for Yangtze River Cold Chain Shipping Based on Carbon Neutrality." Journal of Marine Science and Engineering 10, no. 8 (July 27, 2022): 1029. http://dx.doi.org/10.3390/jmse10081029.

Testo completo
Abstract (sommario):
The current status of intelligent logistics and cold chain shipping research is a hot topic worldwide. Meanwhile, the study of regional logistics and regional economy, shipping logistics and regional economic theory and application methods, and the empirical analysis of the correlation between the Yangtze River shipping and the Yangtze River shipping economy have attracted a lot of attention. This research has revealed that the Internet of Things of Yangtze River shipping has a great impact on the Yangtze River and the importance of inland river economic development. This study presents the em
Gli stili APA, Harvard, Vancouver, ISO e altri
7

Lim, Si-Yeong, and Sun Hur. "Determination of Optimal Shipping Quantity for Perishable Goods under Probabilistic Supply." Mathematical Problems in Engineering 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/274713.

Testo completo
Abstract (sommario):
The problems of shipping and transporting perishable goods are commonly considered in the literature as significant topics, but rarely did researchers adopt a probabilistic point of view in their models. It is common in SCM environments that the participating entities’ behaviors are random and unpredictable and so can only be modeled in a probabilistic way. In this paper, we consider the shipping problem of determining the optimal quantity of perishable products with a limited time to be stored in the warehouse. The optimal quantity minimizes the overall operational costs including those of in
Gli stili APA, Harvard, Vancouver, ISO e altri
8

Jiang, Xi, Haijun Mao, and Hao Zhang. "Simultaneous Optimization of the Liner Shipping Route and Ship Schedule Designs with Time Windows." Mathematical Problems in Engineering 2020 (December 22, 2020): 1–11. http://dx.doi.org/10.1155/2020/3287973.

Testo completo
Abstract (sommario):
This paper proposes to address the problem of the simultaneous optimization of the liner shipping route and ship schedule designs by incorporating port time windows. A mathematical programming model was developed to minimize the carrier’s total operating cost by simultaneously optimizing the port call sequence, ship arrival time per port of call, and sailing speed per shipping leg under port time window constraints. In view of its structure, the nonlinear nonconvex optimization model is further transformed into a mixed-integer linear programming model that can be efficiently solved by extant s
Gli stili APA, Harvard, Vancouver, ISO e altri
9

Zhang, Hengzhen, Lihua Lu, and Xiaofeng Wang. "Tactical and Operational Cooperative Empty Container Repositioning Optimization Model Based on Business Flow and Initial Solutions Generation Rules." Symmetry 11, no. 3 (February 28, 2019): 300. http://dx.doi.org/10.3390/sym11030300.

Testo completo
Abstract (sommario):
Due to the special role of empty containers in the container transportation process, empty container repositioning is a focal point in the shipping industry. For this problem, highly efficient and feasible optimization models are critical in improving the benefit for shipping companies and increasing their market competitiveness. Operational decisions are affected by tactical ones. Aimed at this point, we propose a tactical and operational cooperative empty container repositioning optimization model. To cut the search space and obtain the optimal solution quickly, several initial solutions gen
Gli stili APA, Harvard, Vancouver, ISO e altri
10

Elmi, Zeinab, Prashant Singh, Vamshi Krishna Meriga, Krzysztof Goniewicz, Marta Borowska-Stefańska, Szymon Wiśniewski, and Maxim A. Dulebenets. "Uncertainties in Liner Shipping and Ship Schedule Recovery: A State-of-the-Art Review." Journal of Marine Science and Engineering 10, no. 5 (April 21, 2022): 563. http://dx.doi.org/10.3390/jmse10050563.

Testo completo
Abstract (sommario):
Each shipping line is expected to establish a reliable operating model, and the design of ship schedules is a key operational consideration. Long-term profits for shipping lines can be expected from a well-designed ship schedule. In today’s liner service design, managing the time factor is critical. Shipping schedules are prone to different unexpected disruptions. Such disruptions would necessitate a near-real-time analysis of port capacity and re-design of the original ship schedule to offset the negative externalities. Ship schedule recovery strategies should be implemented to mitigate the e
Gli stili APA, Harvard, Vancouver, ISO e altri
11

Jackiva, Irina Yatskiv, Jurijs Tolujevs, Vladimirs Petrovs, and Aleksejs Vesjolijs. "A Modelling System for Evaluating Options for Building and Using a Fleet of Battery Electric Trucks." Transport and Telecommunication Journal 23, no. 4 (November 1, 2022): 334–43. http://dx.doi.org/10.2478/ttj-2022-0027.

Testo completo
Abstract (sommario):
Abstract Many shipping companies tackle the challenge of potentially replacing conventional trucks with electric ones in economically developed countries. The aim of this work is to describe the principle of scaling models for analysing the operation of a fleet of vehicles, when the decision to use a particular type of model is made considering the accuracy and completeness of the initial data, as well as the goals of modelling. At the end of the report, information is provided on the TraPodSim simulation system developed by the authors, which is based on a multi-agent simulation model created
Gli stili APA, Harvard, Vancouver, ISO e altri
12

Sitek, Paweł, and Jarosław Wikarek. "A Hybrid Approach to the Optimization of Multiechelon Systems." Mathematical Problems in Engineering 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/925675.

Testo completo
Abstract (sommario):
In freight transportation there are two main distribution strategies: direct shipping and multiechelon distribution. In the direct shipping, vehicles, starting from a depot, bring their freight directly to the destination, while in the multiechelon systems, freight is delivered from the depot to the customers through an intermediate points. Multiechelon systems are particularly useful for logistic issues in a competitive environment. The paper presents a concept and application of a hybrid approach to modeling and optimization of the Multi-Echelon Capacitated Vehicle Routing Problem. Two ways
Gli stili APA, Harvard, Vancouver, ISO e altri
13

Wu, Jun Hui, Tong Di Qin, Jie Chen, Hui Ping Si, Kai Yan Lin, Qiang Zhou, and Chi Bin Zhang. "Slotting Optimization Algorithm of the Stereo Warehouse." Advanced Materials Research 756-759 (September 2013): 1371–76. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.1371.

Testo completo
Abstract (sommario):
In order to solve the problem of slotting optimization management with automated storage and retrieval system (AS / RS), the genetic algorithms of the slotting optimization process with stereo warehouse were discussed. The process of the slotting optimization was designed by the real-number coding. The mathematical models of the slotting optimization and cargo shipping time were built, and the simulation calculation of the models was done. The stability of the shelf and the efficiency of the accessing goods were significantly improved by the optimization simulation of the distribution of cargo
Gli stili APA, Harvard, Vancouver, ISO e altri
14

Gençer, Hüseyin, and M. Hulusi Demir. "An Overview of Empty Container Repositioning Studies and Research Opportunities." Business and Management Horizons 7, no. 1 (April 16, 2019): 1. http://dx.doi.org/10.5296/bmh.v7i1.14670.

Testo completo
Abstract (sommario):
The imbalances in world trade also affect container traffic and lead to large differences in import and export rates of many locations. As a consequence of this, the surplus containers are repositioned to locations where they are required, which causes high costs. Many studies in the literature have addressed this issue from different aspects. This study examines the studies and trends in empty container repositioning (ECR) practices and reveals the missing research areas in the literature. It discusses the mathematical models developed in the literature and addresses real-life applications of
Gli stili APA, Harvard, Vancouver, ISO e altri
15

Cahyadi, Lina. "MODEL MATEMATIKA UNTUK MASALAH TRANSPORTASI LEBIH DARI SATU PRODUK [MATHEMATICAL MODELS FOR TRANSPORTATION PROBLEMS INVOLVING MORE THAN ONE PRODUCT]." FaST - Jurnal Sains dan Teknologi (Journal of Science and Technology) 6, no. 2 (November 30, 2022): 103. http://dx.doi.org/10.19166/jstfast.v6i2.5340.

Testo completo
Abstract (sommario):
<p><em>Distribution companies need to plan efficient shipments to avoid incurring large shipping costs. Therefore, a company that addresses transportation problems by choosing the right distribution pattern can obtain optimal distribution costs. The transportation problem model is applied to allocate the same product to the destination places. In the problem of distributing more than one product, the transportation problem model is modified so that it can be used to optimize shipping costs. This study aimed to optimize distribution costs using a modified transportation problem mode
Gli stili APA, Harvard, Vancouver, ISO e altri
16

Bostina, Aurel, Alina Lucia Bostina, Nicoleta Acomi, and Ovidiu Cristian Acomi. "Sea Trails of Large Container Ships." Advanced Materials Research 1036 (October 2014): 952–56. http://dx.doi.org/10.4028/www.scientific.net/amr.1036.952.

Testo completo
Abstract (sommario):
The container carrier shipping industry faces nowadays a similar phenomenon that happened in the 90s with crude oil carriers: an imaginable gigantism not-forecasted even by the most optimistic specialists. In the last 20 years the demand in transportation by containers continuously grew. The reaction of Carriers was quick under this demand growth and began an exacerbate competition not only in size of their fleets but in the size of their vessels as well. Before building a new vessel, a set of simulations and tests of prototypes and models is done, in order to apply corrections of the initial
Gli stili APA, Harvard, Vancouver, ISO e altri
17

Kaup, Magdalena. "Functional model of river-sea ships operating in European system of transport corridors: Part I. Methods used to elaborate functional models of river-sea ships operating in European system of transport corridors." Polish Maritime Research 15, no. 3 (October 1, 2008): 3–11. http://dx.doi.org/10.2478/v10012-007-0077-y.

Testo completo
Abstract (sommario):
Functional model of river-sea ships operating in European system of transport corridors: Part I. Methods used to elaborate functional models of river-sea ships operating in European system of transport corridors This paper presents a functional model of river-sea ships (shortly called: SRM) operating in European system of transport corridors. It is composed of two parts: Part I contains a descriptive model of functioning the SRM fleet with taking into account various shipping tasks as well as impact factors (external and internal factors, limitations and criteria). Also, a mathematical model o
Gli stili APA, Harvard, Vancouver, ISO e altri
18

Chu, Zhong, and Ming Sun. "Simulation of the Main Engine Remote Control System for Marine Education and Training." Advanced Materials Research 328-330 (September 2011): 2367–71. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.2367.

Testo completo
Abstract (sommario):
Training simulator is a necessary equipment for modern navigation education to accords with the demands of the STCW78/10 convention. A new type of simulation training system for main engine remote control has been successfully put into use for chief engineer’ training, which is the main part of the modern marine engine room simulator recently developed by Qingdao Ocean Shipping Mariners College and Dalian Maritime University. The simulation system, the simulated object of which are the Autochief 4 remote control system, the main engine with the type of MAN B&W 10L90MC and the pneumatic man
Gli stili APA, Harvard, Vancouver, ISO e altri
19

Pérez-Canosa, José M., José A. Orosa, and Eliseo A. Pacheco. "A New Understanding and Modelling of TSP and BP Indices Compared to Safety IMO Ship Requirements." Applied Sciences 11, no. 15 (August 2, 2021): 7142. http://dx.doi.org/10.3390/app11157142.

Testo completo
Abstract (sommario):
Due to the lack of information about the concept of Tons of Steering Pull (TSP) of many escort tugs, and the lack of research works relating the TSP demanded by a tethered vessel with respect to the TSP provided by tugs, the present paper shows an original study with mathematical models on how to solve these problems. What is more, an important percentage of the towing sector always employs Bollard Pull (BP), which is considered the only parameter capable of defining performance, so this paper aims to relate BP with TSP. The present research was carried out based on more than 25 escort tugs of
Gli stili APA, Harvard, Vancouver, ISO e altri
20

Cheng, Yuepeng, Bo Li, and Yushan Jiang. "Optimal Choices for the E-Tailer with Inventory Rationing, Hybrid Channel Strategies, and Service Level Constraint under Multiperiod Environments." Mathematical Problems in Engineering 2016 (2016): 1–12. http://dx.doi.org/10.1155/2016/4659074.

Testo completo
Abstract (sommario):
This paper investigates optimal choices for the e-tailer with inventory rationing, hybrid channel strategies, and service level constraint under multiperiod environment. Based on different operational conditions, five mathematical models are proposed for the e-tailer who faces two types of fuzzy demand and a framework is designed to illustrate the e-tailer’s operation in different models. This paper presents the advantages of inventory rationing and hybrid channel strategies and analyzes the influences of channel differences variability on optimal choices for the e-tailer, where the channel di
Gli stili APA, Harvard, Vancouver, ISO e altri
21

Perčić, Maja, Nikola Vladimir, Ailong Fan, and Ivana Jovanović. "Holistic Energy Efficiency and Environmental Friendliness Model for Short-Sea Vessels with Alternative Power Systems Considering Realistic Fuel Pathways and Workloads." Journal of Marine Science and Engineering 10, no. 5 (April 30, 2022): 613. http://dx.doi.org/10.3390/jmse10050613.

Testo completo
Abstract (sommario):
Energy requirements push the shipping industry towards more energy-efficient ships, while environmental regulations influence the development of environmentally friendly ships by replacing fossil fuels with alternatives. Current mathematical models for ship energy efficiency, which set the analysis boundaries at the level of the ship power system, are not able to consider alternative fuels as a powering option. In this paper, the energy efficiency and emissions index are formulated for ships with alternative power systems, considering three different impacts on the environment (global warming,
Gli stili APA, Harvard, Vancouver, ISO e altri
22

Sahin, Bekir, Devran Yazir, Abdelsalam Adam Hamid, and Noorul Shaiful Fitri Abdul Rahman. "Maritime Supply Chain Optimization by Using Fuzzy Goal Programming." Algorithms 14, no. 8 (August 9, 2021): 234. http://dx.doi.org/10.3390/a14080234.

Testo completo
Abstract (sommario):
Fuzzy goal programming has important applications in many areas of supply chain, logistics, transportation and shipping business. Business management has complications, and there exist many interactions between the factors of its components. The locomotive of world trade is maritime transport and approximately 90% of the products in the world are transported by sea. Optimization of maritime operations is a challenge in order to provide technical, operational and financial benefits. Fuzzy goal programming models attract interests of many scholars, therefore the objective of this paper is to inv
Gli stili APA, Harvard, Vancouver, ISO e altri
23

Gong, Intaek, Kyungho Lee, Jaewon Kim, Yunhong Min, and KwangSup Shin. "Optimizing Vehicle Routing for Simultaneous Delivery and Pick-Up Considering Reusable Transporting Containers: Case of Convenience Stores." Applied Sciences 10, no. 12 (June 17, 2020): 4162. http://dx.doi.org/10.3390/app10124162.

Testo completo
Abstract (sommario):
Previous studies have proposed various frameworks and algorithms to optimize routes to reduce total transportation cost, which accounts for over 29.4% of overall logistics costs. However, it is very hard to find cases in which mathematical models or algorithms are applied to practical business environment cases which require reusable packaging, especially daily operating logistics services like convenience store support systems. Most previous studies have considered developing an optimal algorithm which can solve the mathematical problem within a practical amount of time while satisfying all c
Gli stili APA, Harvard, Vancouver, ISO e altri
24

Wang, Zhongcheng, Xiaoyu Liu, and Ke Li. "Study of Absorbing CO2 from Emissions Using a Spray Tower." Atmosphere 13, no. 8 (August 18, 2022): 1315. http://dx.doi.org/10.3390/atmos13081315.

Testo completo
Abstract (sommario):
In order to reduce the environmental impact caused by CO2 emissions from ships and achieve the goal of green shipping, a spray tower using NaOH solution for the absorption of CO2 has been established in this paper. Using the characteristics of a 6135G128ZCa marine diesel engine, the CO2 absorption system was designed and mathematical models of CO2 absorption efficiency were developed. The effects of the variation in engine exhaust gas temperature, the concentration of NaOH solution, the exhaust gas velocity, different load conditions, and different nozzle types on the absorption efficiency of
Gli stili APA, Harvard, Vancouver, ISO e altri
25

Surov, Oleg E., Maksim V. Kitaev, Ekaterina E. Solovieva, Vitaly A. Veselov, and Dmitry V. Tyuftyaev. "Analysis of main dimensions and characteristics of fishing vessels." Russian Journal of Water Transport, no. 72 (September 20, 2022): 41–53. http://dx.doi.org/10.37890/jwt.vi72.273.

Testo completo
Abstract (sommario):
Fishing vessels are one of the most numerous and popular types of vessels of the fishing fleet of the Russian Federation. Fishing vessels provide food security of the country and contribute to employment in fishery areas and processing of marine biological resources, design, construction, operation, repair and modernization of fishery vessels. The existing fishery vessels of Russian Federation are largely morally and physically obsolete. The average age of this type of vessels is 30-35 years, which has a significant impaction on frequency repairs and reduces of their technical and economic per
Gli stili APA, Harvard, Vancouver, ISO e altri
26

Buneev, Viktor M., Evgeny A. Grigoriev, and Anna Yu Gavrilova. "Typical solutions for the organization of the transport process and systems in inland waterway transport." Russian Journal of Water Transport, no. 72 (September 20, 2022): 156–66. http://dx.doi.org/10.37890/jwt.vi72.286.

Testo completo
Abstract (sommario):
The necessity of making standard decisions in the organization of transport processes and systems is substantiated. The use of them allows you to reduce the time for their development and avoid mistakes during implementation in the operational activities of shipping companies. In addition, it is necessary to monitor the progress of the task, since there is a certain time period during which changes in the production conditions of transport can occur. Situations, their dynamism in time and space, indicators of the organization of transport activities are subject to assessment. This is the relev
Gli stili APA, Harvard, Vancouver, ISO e altri
27

Wang, Chia-Nan, Ngoc-Ai-Thy Nguyen, Hsin-Pin Fu, Hsien-Pin Hsu, and Thanh-Tuan Dang. "Efficiency Assessment of Seaport Terminal Operators Using DEA Malmquist and Epsilon-Based Measure Models." Axioms 10, no. 2 (March 31, 2021): 48. http://dx.doi.org/10.3390/axioms10020048.

Testo completo
Abstract (sommario):
Today, over 80% of global trade is seaborne. In a world of global supply chains and complex industrial development processes, seaports and port operators play an integral role of utmost importance and act as an incentive to the development of the marine economy and particularly, the national economy in general. Most importantly, the supply chain and demand shocks of Covid-19 on container ports and the container shipping industry have intensified competition among terminal operators. Thus, it is imperative that managers evaluate competitiveness by measuring their past and current performance ef
Gli stili APA, Harvard, Vancouver, ISO e altri
28

Muraveva, L. V., and I. G. Ovchinnikov. "AN ENGINEERING APPROACH TO ASSESSING THE CONSEQUENCES OF AN UNDERWATER EXPLOSION AND EVALUATING THE STRUCTURAL INTEGRITY OF AN UNDERWATER BURIED PIPELINE IS PRESENTED." EurasianUnionScientists 1, no. 3(72) (April 15, 2020): 53–67. http://dx.doi.org/10.31618/esu.2413-9335.2020.1.72.617.

Testo completo
Abstract (sommario):
Introduction: The performance of oil and gas pipeline systems under operational and natural loads is an important engineering indicator. In the new century, energy resources and methods of transportation have improved. We have abundant supplies of natural gas and oil; nuclear power plants. Renewable energy sources are being introduced, which increase production efficiency and improve the country's energy portfolio. Achievements in the field of energy efficiency allow to reduce energy costs of producers. Our energy infrastructure needs largescale investments, construction, but developers face n
Gli stili APA, Harvard, Vancouver, ISO e altri
29

Bielawska, Michalina, Oskar Czechowski, Ernest Czermański, Aneta Oniszczuk-Jastrząbek, and Tomasz Owczarek. "A preliminary evaluation of the impact of Sulphur Emissions Control Area in the Baltic Sea on air quality in port cities. Case port – the city of Gdańsk." SHS Web of Conferences 58 (2018): 01002. http://dx.doi.org/10.1051/shsconf/20185801002.

Testo completo
Abstract (sommario):
The purpose of this research is to attempt to evaluate the extent, to which technical standards related to marine fuels and thereby also sulphur dioxide (SO2) content in engine exhausts from vessels operating on the Baltic Sea have been effective in curbing the negative impact of marine shipping on air quality, in particular in port cities. Marine environment protection is governed by the provisions of the MARPOL 73/78 International Convention, which Poland ratified as a party. Different areas of concern for marine shipping have been regulated in separate Appendices to the Convention. The firs
Gli stili APA, Harvard, Vancouver, ISO e altri
30

Luu, Do Duc, Cao Duc Hanh, and Luong Cong Nho. "Automatic Predicting Torsional Vibrations on Main Propulsion Plants, Installed Two-Stroke Diesel Engines: Algorithms and Software." Applied Mechanics and Materials 902 (September 2020): 1–12. http://dx.doi.org/10.4028/www.scientific.net/amm.902.1.

Testo completo
Abstract (sommario):
The main propulsion plant (MPP) on marine sea-going ships consisting of a diesel engine as the main engine and driving the ship propeller is with the torsional vibrations to be calculated in accordance with the Rules for the Classification and Construction of Sea-Going Ships. The Rules are given by one of maritime registers in the world that are the members of IACS, such as Russian Maritime Register of Shipping (RMR), DNV, ABS, at el. The TV calculation (TVC) on the MPP usually is certainly a monumental calculation task and is conducted with special software for TVC. Nowadays, in accordance wi
Gli stili APA, Harvard, Vancouver, ISO e altri
31

Muravieva, Lyudmila V., and Igor G. Ovchinnikov. "Problems of simulating subsea pipeline condition on the arctic shelf under seismic impact." Vestnik MGSU, no. 11 (November 2019): 1456–65. http://dx.doi.org/10.22227/1997-0935.2019.11.1456-1465.

Testo completo
Abstract (sommario):
Introduction. The paper represents an approach to studying a model of interaction of a system ‘pipeline – soil’ under conditions of frost penetration and seismic impact. The given problem is connected with the reclamation of the shelf of the Russian sector of the Arctic. There is a feature of induced earthquakes connected with hydrocarbon production. These earthquakes occur in a few years after the beginning of field development and lead to the worst condition of the pipelines. The research aims to the development of a method for subsea pipeline strength assessment allowing for nonlinear prope
Gli stili APA, Harvard, Vancouver, ISO e altri
32

Kholoptsev, Aleksandr V., and Sergey A. Podporin. "IMPACT OF FLOODS IN THE KOLYMA RIVER DELTA ON NAVIGATION CONDITIONS IN THE EAST SIBERIAN SEA." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 14, no. 4 (September 13, 2022): 563–70. http://dx.doi.org/10.21821/2309-5180-2022-14-4-563-570.

Testo completo
Abstract (sommario):
The problem of improving the quality of medium- and long-term forecasting of changes in the ice situation on the Northern Sea Route, and in particular in the East Siberian Sea, where one of the methods for choosing waterways is the passage of vessels in the areas of flaw polynya, is considered. The hypothesis that in the summer months such changes can be significantly affected by the terms of floods onset in the Kolyma River Delta is tested. The data of the GLORYS12v1 global reanalysis supported by the Copernicus Marine Service are used as factual material on the ice cover and levels of the Ea
Gli stili APA, Harvard, Vancouver, ISO e altri
33

Alekseev, Dmitrii V., and Alexander A. Lentarev. "COMPARATIVE ANALYSIS OF DATABASES ON OIL AND PETROLEUM PRODUCTS SPILLS FROM SHIPS." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 14, no. 6 (December 26, 2022): 891–904. http://dx.doi.org/10.21821/2309-5180-2022-14-6-891-904.

Testo completo
Abstract (sommario):
In the context of the growing demand of developing and developed countries for oil and its derivatives, there is a positive trend in the production and transportation of hydrocarbons, mainly by sea. The combination of these processes increases the probability of environmental pollution. Moreover, the greatest pollution is associated precisely with shipping activities, when a significant amount of oil enters the seas and oceans as a result of accidents with ships. It is well known that detailed databases of oil spills are a necessary tool for realistic statistical analysis, the main purpose of
Gli stili APA, Harvard, Vancouver, ISO e altri
34

Kholoptsev, Alexander, Sergei Podporin, and Evgeniy OlKhovik. "Impact of Floods in the Kolyma River Delta on Navigation Conditions in the East Siberian Sea." E3S Web of Conferences 363 (2022): 01004. http://dx.doi.org/10.1051/e3sconf/202236301004.

Testo completo
Abstract (sommario):
Problem of improving the quality of medium- and long-term forecasting of changes in ice conditions in the Northern Sea Route, and in particular in the east Siberian sea, where one of the methods of selecting waterways is the passage of ships in areas of ice-covered polynya. The hypothesis is verified that during the summer months, such changes may be significantly influenced by the timing of the onset of high water in the Kolyma River delta. Data from the global reanalysis GLORYS12v1 supported by the European Copernicus Marine Service were used as factual material on the ice cover and levels o
Gli stili APA, Harvard, Vancouver, ISO e altri
35

Purwono, Novi. "ANALISA KEJADIAN GELOMBANG DENGAN METODE EMPIRIK DAN MODEL MATEMATIK DI KAWASAN PERAIRAN PELABUHAN TANJUNG LAUT." Gorontalo Journal of Infrastructure and Science Engineering 3, no. 1 (April 1, 2020): 1. http://dx.doi.org/10.32662/gojise.v3i1.862.

Testo completo
Abstract (sommario):
Tanjung Laut is water located in the administrative area of Bontang Regency, East Kalimantan. These waters are widely used for ship traffic to and from the Port. To find out the hydrodynamic conditions, especially waves that occur in the sea and propagate into these waters, it is necessary to analyze wave transformations to describe the conditions and impacts that occur due to wave propagation from the high seas that enter the port waters. The purpose of this study is to look at the shipping security channel. The method used in analyzing wind data from BMKG into wave data and modeling with cgw
Gli stili APA, Harvard, Vancouver, ISO e altri
36

Trenham, Claire E., and Larry K. Forbes. "A comparison of two- and three-variable models for combustion in sealed containers." ANZIAM Journal 47, no. 4 (April 2006): 527–40. http://dx.doi.org/10.1017/s1446181100010117.

Testo completo
Abstract (sommario):
AbstractThis paper analyses a model for combustion of a self-heating chemical (such as pool chlorine), stored in drums within a shipping container. The system is described by three coupled nonlinear differential equations for the concentration of the chemical, its temperature and the temperature within the shipping container. Self-sustained oscillations are found to occur, as a result of Hopf bifurcation. Temperature and concentration profiles are presented and compared with the predictions of a simpler two-variable approximation for the system. We study the period of oscillation and its varia
Gli stili APA, Harvard, Vancouver, ISO e altri
37

Yu, Yao, Jincheng Tu, Kun Shi, Mei Liu, and Jihong Chen. "Flexible Optimization of International Shipping Routes considering Carbon Emission Cost." Mathematical Problems in Engineering 2021 (February 10, 2021): 1–9. http://dx.doi.org/10.1155/2021/6678473.

Testo completo
Abstract (sommario):
Carbon emissions cost is a potential effective measure to restrict hydrocarbon pollution in the international shipping trade. The minimization of the total cost is pursued by ship operators, whereas voyage cost is increasingly involving the replacement of clean fuel and changing the cost of the shipping route. A flexible optimization method focusing on maximizing the total profit is developed in terms of sailing speed optimization and single port skips integrate carbon emission influence. An actual ocean shipping route from Shanghai to Rotterdam is applied to validate the effectiveness of the
Gli stili APA, Harvard, Vancouver, ISO e altri
38

Xu, Yisong, and Xinyu Zhuang. "Container Shipping Scheduling Method Based on the Evidence Reasoning Approach in Fluctuating CCFI and BDI Cycle." Mathematical Problems in Engineering 2022 (July 18, 2022): 1–10. http://dx.doi.org/10.1155/2022/3997361.

Testo completo
Abstract (sommario):
Due to the COVID-19/Omicron pandemic and the trade war and tariffs between China and America, the supply chain between Asia and America, or Asia and Europe, faced unprecedented challenges. With the outbreak of the Russian-Ukrainian war, the global supply chain has become increasingly unbalanced. In particular, the shortage of container ships and the continuous fluctuation of the BDI and CCFI make shipping scheduling increasingly important for ocean carriers. To solve this problem, in this study, we propose an analytic approach considering the fluctuation of BDI and CCFI based on interval evide
Gli stili APA, Harvard, Vancouver, ISO e altri
39

Dentener, Frank, Lisa Emberson, Stefano Galmarini, Giovanni Cappelli, Anisoara Irimescu, Denis Mihailescu, Rita Van Dingenen, and Maurits van den Berg. "Lower air pollution during COVID-19 lock-down: improving models and methods estimating ozone impacts on crops." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 378, no. 2183 (September 28, 2020): 20200188. http://dx.doi.org/10.1098/rsta.2020.0188.

Testo completo
Abstract (sommario):
We suggest that the unprecedented and unintended decrease of emissions of air pollutants during the COVID-19 lock-down in 2020 could lead to declining seasonal ozone concentrations and positive impacts on crop yields. An initial assessment of the potential effects of COVID-19 emission reductions was made using a set of six scenarios that variously assumed annual European and global emission reductions of 30% and 50% for the energy, industry, road transport and international shipping sectors, and 80% for the aviation sector. The greatest ozone reductions during the growing season reached up to
Gli stili APA, Harvard, Vancouver, ISO e altri
40

Aulin, Victor, Oleg Lyashuk, Olexiy Pavlenko, Denis Velykodnyi, Andrii Hrynkiv, Sergii Lysenko, Dmytro Holub, Yuriy Vovk, Volodymyr Dzyura, and Mariana Sokol. "Realization of the Logistic Approach in the International Cargo Delivery System." Communications - Scientific letters of the University of Zilina 21, no. 2 (May 24, 2019): 3–12. http://dx.doi.org/10.26552/com.c.2019.2.3-12.

Testo completo
Abstract (sommario):
Fierce rivalry in the transport market raises serious reassessment and implementation of new approaches to logistics companies and trade enterprises in marketing of goods. To maintain the volume of domestic sales and output to the external one, producers and trading firms are forced to expand their trade and economic relations that occur in other regions. The integration of the world economy and policy orientation of foreign trade to free trade greatly simplify the task of setting up the free trade and economic connections, but the question is how quickly and efficiently, with the least costs,
Gli stili APA, Harvard, Vancouver, ISO e altri
41

CANDY, J. V., and E. J. SULLIVAN. "MODEL-BASED SIGNAL ENHANCEMENT FOR THE HUDSON CANYON EXPERIMENT." Journal of Computational Acoustics 02, no. 03 (September 1994): 327–44. http://dx.doi.org/10.1142/s0218396x9400021x.

Testo completo
Abstract (sommario):
Model-based signal processing is a well-defined methodology enabling the inclusion of environmental (propagation) models, measurement (sensor arrays) models, and noise (shipping, measurement) models into a sophisticated processing algorithm. Here we investigate the design of a space-varying, nonstationary, model-based processor (MBP) for the Hudson Canyon experiment. In this shallow water application, a state space representation of the normal mode propagation model is used. The processor is designed such that it allows in situ recursive estimation of the both the pressure field and modal func
Gli stili APA, Harvard, Vancouver, ISO e altri
42

Barcellona, Marco, Maurizio Simos, Marilena Greco, and O. M. Faltinsen. "An Experimental Investigation on Bow Water Shipping." Journal of Ship Research 47, no. 04 (December 1, 2003): 327–46. http://dx.doi.org/10.5957/jsr.2003.47.4.327.

Testo completo
Abstract (sommario):
The water on deck caused on a restrained ship model without forward speed in head waves is studied experimentally by using a transient test technique. A single water-shipping event is induced by the wave packet, and the severity of the interaction is controlled by the wave-packet steepness. Three different bow geometries are considered. Two of them are analytical hull forms, and the last is the ESSO-Osaka tanker. The models are equipped with a transparent-material deck to study the flow-field evolution by image analysis. A vertical wall is placed at a certain distance from the forward perpendi
Gli stili APA, Harvard, Vancouver, ISO e altri
43

Song, Xueguan, Maosen Cao, Wonhyup Shin, Wenping Cao, Sanghoon Kang, and Youngchul Park. "Numerical Investigation of a Liquid-Gas Ejector Used for Shipping Ballast Water Treatment." Mathematical Problems in Engineering 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/259593.

Testo completo
Abstract (sommario):
Shipping ballast water can have significant ecological and economic impacts on aquatic ecosystems. Currently, water ejectors are widely used in marine applications for ballast water treatment owing to their high suction capability and reliability. In this communication, an improved ballast treatment system employing a liquid-gas ejector is introduced to clear the ballast water to reduce environmental risks. Commonly, the liquid-gas ejector uses ballast water as the primary fluid and chemical ozone as the secondary fluid. In this study, high-pressure water and air, instead of ballast water and
Gli stili APA, Harvard, Vancouver, ISO e altri
44

Fonteinos, Michael I., Efstratios I. Tzanos, and Nikolaos P. Kyrtatos. "Ship Hull Fouling Estimation Using Shipboard Measurements, Models for Resistance Components, and Shaft Torque Calculation Using Engine Model." Journal of Ship Research 61, no. 02 (June 1, 2017): 64–74. http://dx.doi.org/10.5957/jsr.2017.61.2.64.

Testo completo
Abstract (sommario):
This paper presents a method for hull condition estimation regarding fouling, by focusing on the increase of power demand over a period. Onboard recorded data from performance reports and noon reports of four Panamax bulk carriers identical sister ships were provided by a shipping company. In most cases, engine power onboard vessels is measured using a torque meter. Since torque measurements are generally considered of variable reliability and the required accuracy for the present study was high, the propeller shaft torque demand was calculated using an engine simulation software tuned for eac
Gli stili APA, Harvard, Vancouver, ISO e altri
45

Zhou, Haiying. "Decisions on Technologies for Emissions Control in Port Areas under Subsidy and Low-Carbon Preferences of Customers." Mathematical Problems in Engineering 2022 (November 15, 2022): 1–12. http://dx.doi.org/10.1155/2022/2359911.

Testo completo
Abstract (sommario):
The emission control technologies decisions of port and shipping enterprises under subsidy and customers’ low-carbon preferences are discussed from a supply chain perspective. The game models are established under three game models (port-leader Stackelberg game, ship-leader Stackelberg game, and Nash game). The obtained results show that the impact of subsidy and low-carbon preference on demand in its pricing always is considered by the leader in the port supply chain. The profits and emissions in the Nash game are higher than that in the Stackelberg game. When subsidies and customers’ low-car
Gli stili APA, Harvard, Vancouver, ISO e altri
46

Gao, Jianjie, Mingli Chi, and Zhihui Hu. "Energy Consumption Optimization of Inland Sea Ships Based on Operation Data and Ensemble Learning." Mathematical Problems in Engineering 2022 (December 23, 2022): 1–13. http://dx.doi.org/10.1155/2022/9231782.

Testo completo
Abstract (sommario):
Global warming, environmental pollution, and the soaring cost of energy consumption for ships have drawn the attention of the International Maritime Organization and the shipping industry. By reducing the energy consumption of ships, the greenhouse gas emissions and operating costs of ships can be effectively reduced simultaneously. However, current research on the ship energy consumption optimization based on operating mode is mainly focused on route and speed optimization and less on trim optimization, but ship trim is also an important factor affecting energy consumption. Therefore, this st
Gli stili APA, Harvard, Vancouver, ISO e altri
47

Ndruru, Eferoni, and Sumiaty Adelina Hutabarat. "Implementasi Metode Vogel’s Approximation Method Pada Pengoptimalan Biaya Pengiriman Barang Pada CV. Expres Nias." MEANS (Media Informasi Analisa dan Sistem), June 25, 2018, 12–15. http://dx.doi.org/10.54367/means.v3i1.219.

Testo completo
Abstract (sommario):
Operations Research is one way of taking decisions in companies by formulating problems of daily life with mathematical models with the aim of getting optimal goals. Transportation problems are one of the problems in solving operational research problems with the aim of optimizing distribution costs of shipping goods from the first warehouse to the destination warehouse. Like the problem that is in cv. Express nias where the cost of shipping goods does not calculate the optimal cost sometimes losses and profits are not optimal. The method used in solving this problem is the method of Vernel's
Gli stili APA, Harvard, Vancouver, ISO e altri
48

Nguyen, Son, Peggy Shu-Ling Chen, and Yuquan Du. "A methodological framework for quantitative risk analysis in container shipping operations." Maritime Business Review, April 14, 2022. http://dx.doi.org/10.1108/mabr-11-2021-0088.

Testo completo
Abstract (sommario):
PurposeContainer shipping is a crucial component of the global supply chain that is affected by a large range of operational risks with high uncertainty, threatening the stability of service, manufacture, distribution and profitability of involved parties. However, quantitative risk analysis (QRA) of container shipping operational risk (CSOR) is being obstructed by the lack of a well-established theoretical structure to guide deeper research efforts. This paper proposes a methodological framework to strengthen the quality and reliability of CSOR analysis (CSORA).Design/methodology/approachFocu
Gli stili APA, Harvard, Vancouver, ISO e altri
49

Girina, Olga, and Svetlana Zhigalovskaya. "OPTIMIZATION OF THE USE OF THE PRODUCTION CAPACITY OF A SHIPYARD." Development of Management and Entrepreneurship Methods on Transport (ONMU), 2021, 89–107. http://dx.doi.org/10.31375/2226-1915-2021-2-89-107.

Testo completo
Abstract (sommario):
The article discusses the issues of determining the production capacity of a shipyard and modeling the production process of ship repair using a systematic approach. The production capacity of the plant is understood as the maximum possible annual output in terms of the indicators and nomenclature established for the shipyard, with the full use of equipment and areas.The maximum volume of production is achieved when the structure of products is fully consistent with the structure of production resources and the structure of production assets. Improvement of management at the ship repair enterp
Gli stili APA, Harvard, Vancouver, ISO e altri
50

Fromreide, Mads, and Alex Hansen. "Predicting Motion Patterns Using Optimal Paths." Frontiers in Physics 9 (June 21, 2021). http://dx.doi.org/10.3389/fphy.2021.656296.

Testo completo
Abstract (sommario):
The ability to navigate safely and efficiently through a given landscape is relevant for any intelligent moving object. Examples range from robotic science and traffic analysis, to the behavior within an ecosystem. Many objects tend to move in patterns depending on their nature. By establishing models of patterns of motion one may estimate the future motion within an area. We propose here a method for detecting regular patterns of motion by modeling the environment as an energy landscape, and locating optimal paths through it. As an example, we use maritime position Automatic Identification Sy
Gli stili APA, Harvard, Vancouver, ISO e altri
Ti possono interessare anche gli elenchi di altri tipi di fonti sul tema "Shipping Mathematical models":
Libri
Offriamo sconti su tutti i piani premium per gli autori le cui opere sono incluse in raccolte letterarie tematiche. Contattaci per ottenere un codice promozionale unico!

Vai alla bibliografia