Готові списки джерел за темами / Engine room ventilation

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Добірка наукової літератури з теми "Engine room ventilation"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Engine room ventilation"

Alizadeh, E., A. Maleki, and Α. Mohamadi. "An Investigation of the Effect of Ventilation Inlet and Outlet Arrangement on Heat Concentration in a Ship Engine Room." Engineering, Technology & Applied Science Research 7, no. 5 (2017): 1996–2004. http://dx.doi.org/10.48084/etasr.1288.

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Τhe ventilation in the ship engine rooms is an essential issue concerning finest performance of engines and diesel generators as well as electric motors. The present study has aimed at the analysis of temperature distribution inside the ship main engine room. In the same way, attempts have been made to identify those points with considerable thermal concentration in main engine room space, so that proper ventilation systems could be engineered and utilized and favorable thermal conditions could be realized. The CFD approach has been utilized in order to analyze impact of the designed ventilati

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Mihai, Victor, Liliana Rusu, and Adrian Presura. "Ventilation of engine rooms in diesel engines ships." Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XI, Construcţii navale/ Annals of "Dunărea de Jos" of Galati, Fascicle XI, Shipbuilding 43 (November 15, 2020): 69–78. http://dx.doi.org/10.35219/annugalshipbuilding.2020.43.09.

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"Engines room are equipped with a ventilation system which should provide fresh air for combustion and for removing the heat radiated by main engines, auxiliary engines, boilers, generators and other hot equipment installed in compartment. The paper presents the main requirements, recommendations and challenges regarding designing and construction of the ventilation system. The principal design aspects highlighted in this material are related to reducing the pressure drop across the distribution system to reduce the energy used by the fan to blow the air inside the room and to identify the bes

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Nugroho, Anton, Wawan Aries Widodo, and Is Bunyamin Suryo. "Numerical study of engine room air ventilation systems for landing ship tank class warships in supporting crew comfort and safety." IOP Conference Series: Earth and Environmental Science 1423, no. 1 (2024): 012004. https://doi.org/10.1088/1755-1315/1423/1/012004.

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Abstract The air ventilation system is one of the supporting systems in the machinery of a warship. High temperatures in the engine room can lead to an unpleasant atmosphere and, in particular, to heat stress for the operating personnel. This heat stress was caused by the design of the engine room ventilation system not meeting the requirements due to the supply and exhaust fan. Under the given conditions, the air temperature reached 50 °C, higher than the standard 45 °C. Therefore, it was necessary to conduct a thermal analysis and redesign the ventilation system using a 3D CFD (Computational

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Zhao, Yuechao, Haobo Zhao, Zeya Miao, Dihao Ai, and Qifei Wang. "A Numerical Study on the Smoke Dispersion and Temperature Distribution of a Ship Engine Room Fire Based on OpenFOAM." Sustainability 15, no. 20 (2023): 15093. http://dx.doi.org/10.3390/su152015093.

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To further study the smoke dispersion and the temperature distribution in ship engine room fires, the fire dynamics solver buoyantReactingFOAM in the software OpenFOAM-10 is used to conduct a numerical simulation study on a pool fire caused by fuel oil leakage in a ship engine room. The applicability of this solver in simulating ship-engine-room-scale fires is validated by comparing it with experimental data. The impact of the mechanical ventilation, fire area, and fire position on the smoke dispersion and the temperature distribution in the ship engine room during the fire are considered in t

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Zhao, Yuechao, Zeya Miao, Yuan Gao, Qifei Wang, Dihao Ai, and Yubo Li. "Research on the Propagation Law of Explosion Shock Waves in Ship Engine Rooms Based on OpenFOAM." Fire 8, no. 3 (2025): 115. https://doi.org/10.3390/fire8030115.

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To investigate the propagation of explosion shock waves within a ship’s engine room, a two-story engine room of a cargo ship was selected as the research object. The BlastFOAM solver in OpenFOAM-9 software was utilized to conduct numerical simulations of the explosion dynamics in the engine room. The results demonstrate that the explosion impact force escalates with the quantity of explosives. Following a liquefied natural gas (LNG) explosion, the shock waves exerted on the ventilation duct and control room are significantly stronger in terms of maximum pressure and intensity compared with tho

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Kusuma, C., M. A. Widayat, W. Kusdiana, R. A T Ika, and A. Baidowi. "Redesign the air ventilation system in the engine room 48 meter patrol ship." IOP Conference Series: Earth and Environmental Science 1423, no. 1 (2024): 012038. https://doi.org/10.1088/1755-1315/1423/1/012038.

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Abstract The patrol boat with a Length Overall of 48 meters has the main function as a coastal patrol boat. The air ventilation system installed on patrol ships currently reaches an average temperature of 320°K ∼ 345°K with an average speed of 0 ∼ 2.5 m/s and the airflow is not distributed throughout the engine room. The temperature in the engine room is above the ISO 8861:1998 standard where the maximum temperature is 318.15 K (45°C). Based on calculations according to ISO 8861, the total air capacity requirement is 10.806 m3s−1 or 38.901 m3/hour, while the currently installed air blower capa

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Orosa, José A., Ángel M. Costa, and José A. Pérez. "A new modelling procedure of the engine room ventilation system for work risk prevention and energy saving." Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment 231, no. 4 (2017): 863–70. http://dx.doi.org/10.1177/1475090216687148.

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Maritime transport is one of the primary international objectives for energy saving and pollution reduction, in agreement with the International Maritime Organization. Within the most interesting energy-saving topics, the ventilation system of the engine room must be highlighted, which represents about 5% of the nominal power of a modern ship. Nevertheless, its energetic optimization is not simple and must consider also work risk criteria, since the engine room is the hottest and, in consequence, one of the hazardous places in the ship. In this research, a complete three-dimensional computatio

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İNAL, Ömer Berkehan, and Gazi KOÇAK. "A Case Study on the Variable Frequency Drive for Ship Engine Room Ventilation." Marine Science and Technology Bulletin 12, no. 3 (2023): 252–58. http://dx.doi.org/10.33714/masteb.1299692.

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Increasing ship energy efficiency is essential to reducing fuel consumption and ship-based harmful emissions. In a ship’s engine room, there are a lot of electric motors, and their energy consumption is remarkable. The effective operation of these electric motors becomes significant when taking into account ship energy efficiency with regard to the effects on the environment and climate change. The electrical, mechanical, and operational efficiencies of electric motors can be improved with a variable frequency drive. In order to improve the ship’s overall energy efficiency, the electric motors

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Li, Chenfeng, Jiayin Mao, Zixiong Kang, Shengzhu Zhao, and Huilong Ren. "Influence of Firefighting Intervention on Fire Spread Characteristics in Ship Engine Room." Journal of Marine Science and Engineering 11, no. 4 (2023): 877. http://dx.doi.org/10.3390/jmse11040877.

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The purpose of this paper is to investigate and evaluate the ship engine room fire spreading characteristics based on the effect of firefighting interventions. The large eddy simulation (LES) and theoretical models are employed to simulate a fire scene in the engine room. The fire spreading characteristics and the mechanism of the use of a fine water mist are obtained by varying the ventilation conditions and parameters of the water sprinkler. The results show that the reason why a pool fire can be more easily extinguished as the spray speed increases is because the water mist with a higher sp

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Більше джерел

Дисертації з теми "Engine room ventilation"

Martincová, Lenka. "Klimatizace lékárny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230452.

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Diploma thesis is focused on air-conditioning and hot air ventilation of the pharmacy. The pharmacy is a part of a supermarket building. The pharmacy has its own engine room and air-conditioning. Solution is focused with the calculation of the flow rate, thermal losses and profit of pharmacy. Power of heater, cooler and humidifier are calculated according to psychrometric evaluation. Distribution elements and distribution of a duct are designed according to the flow rate of air. Total pressure losses in the duct are calculated according to the distribution in the conclusion. Units are designed

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Prudek, Michal. "Relaxační centrum ve Velkém Meziříčí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240299.

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This thesis describes design of new relaxation centre building in town of Velké Meziříčí and creation of blueprints for building construction. Blueprints are furthermore supplemented by extensions for heating and concrete structures. The relaxation centre houses a wellness centre, a café, a hair and make-up salon with possibility of massage and an outdoor shop. The building is located in southern part of Velké Meziříčí – an urban area of both residential and industrial buildings. The centre is a three storey building with partial basement, flat single-layered roof and stairway, which serves as

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LIU, YAO-FU, and 劉耀復. "Ventilation Design and Numerical Simulation of Diesel Engine Room." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/k59762.

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碩士<br>國立高雄科技大學<br>模具工程系<br>107<br>Engine room can be seen as the heart of a ship. Since it accommodates numbers of machines, the amount of transfer heat is remarkable. In order to boost the working efficiency, a ventilation system is used to provide the main engines, generators and other auxiliary equipment with endless fresh air, which then pushes transfer heat out from the room. The design of ventilation system in engine room starts from contract design phase. Primary action items include calculation of ventilation, specification selection and piping displacement. Most domestic shipyards now

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Kai-HongJi and 紀凱鴻. "A Knowledge - Based Engineering Method for Auto - Routing Design of Ship Engine Room Ventilation System in 3D environment." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/99439823736732828383.

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碩士<br>國立成功大學<br>系統及船舶機電工程學系碩博士班<br>98<br>Design work in the engine room, the air duct, cable and pipeline layout design are both complex and requires coordination between the designers work with the team. Yet the domestic shipyards still assist the design work with the traditional ways like experience provided by engineers while arranging the ventilation system in ship engine room. For this reason, this research tends to construct an auto-routing ship ventilation system that all environment restricted conditions are taken into consideration at the initial design stage of ship engine room venti

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Частини книг з теми "Engine room ventilation"

Leonardi Massimiliano. "The Green Fleet Project: Energy Saving Measures." In Technology and Science for the Ships of the Future. IOS Press, 2018. https://doi.org/10.3233/978-1-61499-870-9-803.

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The Italian Navy has always had, among its mission, the safeguard of the marine environment, and it is strongly oriented in giving its contribution to the targets fixed form the European Parliament with the &ldquo;2020 Climate and Energy package&rdquo;. In 2012 ITN has launched the &ldquo;Flotta Verde&rdquo; initiative, with the purposes of reducing gas emissions and improving, at the same time, the national energy security. The paper presents an overview about the Flotta Verde initiative and a case study aimed to optimize the power consumption of Engine-room ventilation Plant

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Тези доповідей конференцій з теми "Engine room ventilation"

Tang, Yingda, Ruiwen Ren, Danhong Zhang, Haodong Hu, and Jialong Li. "Design of Cruise Ship Engine Room Ventilation System Based on Asymmetric Variable Universe Fuzzy Control." In 2024 China Automation Congress (CAC). IEEE, 2024. https://doi.org/10.1109/cac63892.2024.10865718.

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He, Pan, and Wenhui Luo. "Improvement of modeling method for engine room ventilation system." In Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023), edited by Wanmi Chen and Xiaogang Liu. SPIE, 2024. http://dx.doi.org/10.1117/12.3025929.

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Petelin, Stojan, Marko Perkovic, Peter Vidmar, and Katja Petelin. "Ship’s Engine Room Fire Modelling." In International Joint Power Generation Conference collocated with TurboExpo 2003. ASMEDC, 2003. http://dx.doi.org/10.1115/ijpgc2003-40176.

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When traffic accidents occur, transport systems can result in irreparable negative impacts on people as well as the environment. In maritime transport unexpected fire in the ship’s engine room represents a grave risk. Because such accidents are very often difficult to prevent, modelling of fire propagation bears a vital significance for setting up preventive measures and safety systems, whose task is the suppression of fire danger. The paper describes the CFAST computer model (Building and Fire Research Laboratory - National Institute of Standards and Technology), whose purpose is to solve the

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Bae, Yee Seok, Geun Jong Yoo, and Hoon Ki Choi. "Numerical Study on Cooling Effect of Engine Room Enclosure System." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68399.

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In engine room, proper enclosure system is preferable for reducing noise level but the enclosure system in the engine room causes bad influence on cooling performance due to poor ventilation. Cooling efficiency of the enclosure system can be improved by varying fan speed and proper flow path for ventilation. In this study, numerical analysis is performed to assess cooling effect of the enclosure system using finite volume method. The RNG k-ε model is adopted for turbulence model along with heat exchanger model and porous media model for heat exchanger analysis, and moving reference frame model

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Kusuma, Cahya, Jarot Nindyo Pramono, Wawan Kusdiana, and Irfan Syarif Arief. "Analysis of air ventilation system in the engine room patrol boat 60 meters after repowering." In INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING FOR EMERGING TECHNOLOGIES (ICOMEET 2021). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0115311.

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Hicks, Myles D., William F. Northrop, Daniel Potratz, and David B. Kittelson. "Temperature Dependent Removal Efficiency of Crankcase Control Devices." In ASME 2022 ICE Forward Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icef2022-92020.

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Abstract Oil aerosols formed in the crankcase of reciprocating engines are a significant source of particulate matter and may lead to engine component degradation when used in closed crankcase ventilation (CV) systems or constitute a significant emission source in open CV systems. In modern CV systems, filtration or inertial separation is used to collect oil particles. These devices are highly efficient over a range of flow rates and temperatures; however, some system conditions result in a decrease in efficiency with increasing temperature in a manner not predicted by theory. Experiments were

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Yerram, Ravinder, Richard Watkins, and Balakrishnan Ponnuraj. "Aeroderivative Gas Turbine Enclosure Ventilation System." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59136.

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Abstract GE Aeroderivative Gas Turbines are derived from GE’s Aircraft engine family and converted to Land and Marine applications. As these Aeroderivative Gas Turbines are relatively smaller in size for similar power capacity in comparison to Heavy Duty Gas Turbines, there is a great need of developing efficient and compact turbine enclosure ventilation system for proper cooling and ventilation. Ineffective ventilation flow distribution inside the gas turbine enclosure causes engine circumferential nonuniform temperature distribution and it allows the formation of explosive fuel gas pockets i

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Nayak, Sandeep, Sumit Ray, and Reinhard Radermacher. "Second Generation Integrated Combined Heat and Power Engine Generator and Liquid Desiccant System." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60801.

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The Combined Heat and Power (CHP) concept is aptly suited to improve or eliminate some of the global and local issues concerning electric commercial buildings. CHP involves on-site or near-site generation of electricity by using gas-fired equipment along with utilization of thermal energy available from the power generation process. CHP has the potential of providing a 30% improvement over conventional power plant efficiency and a CO2 emissions reduction of 45% or more. In addition, an overall total system efficiency of 80% can be achieved because of the utilization of thermal energy, that wou

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Fahy, Daniel D., and Peter Ireland. "Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-82552.

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Abstract As a large civil gas turbine is cooling following operation, natural convective flows cause components to cool asymmetrically — the bottom sector cools faster than the top sector. This can lead to a number of issues that have the potential to damage engine components and affect operability. The ability to predict and understand this transient cooling cycle of a gas turbine has proven to be extremely difficult, owing to the complex nature of natural convective flow physics and its dependency on a considerable number of design parameters. An experimental and numerical investigation into

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Nomani, Mustafa, Ambadas Kandekar, Santosh Latane, Akash Manoji, and Suresh Tadigadapa. "Airborne Noise Mitigation for Roof-Mounted Air-Conditioning Unit Using Simulation-Based Flow-Induced Noise Detection Approach." In Automotive Technical Papers. SAE International, 2025. https://doi.org/10.4271/2025-01-5002.

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<div class="section abstract"><div class="htmlview paragraph">In the current world of automobiles, the air-conditioning system plays a crucial role in passenger comfort. Thermal comfort for the passengers, which was earlier a luxury, has now become a basic necessity. This thermal comfort, coupled with ventilation, brings along with it the symbiotic association of flow-induced noise. The subjective prominence of airborne noise from air-conditioning systems increases with higher refinement or masking of structure-borne noise and/or engine noise sources. These systems for commercial v

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