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Vedran Mrzljak, Igor Poljak, Mate Kosor and Jelena Culin
The commingling of the two types of heavy fuel oils (fuel remaining in the tanks and fuel loaded) is determined by the company?s guidance and safety management system. Remained heavy fuel oil must be distributed in the heavy fuel oil tanks before bunkeri...
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O. M. Pshinko,M. M. Biliaiev,P. B. Mashyhina
Pág. 81 - 83
A numerical model to simulate the process of heavy gas transfer was developed. The numerical simulation is carried out using 3D models of pollutant transfer and potential air flow. The implicit finite difference schemes are used. The results of numerical...
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Zoltán Varga, Zoltán Eller, Jeno Hancsók
Pág. 117 - 123
Quantity requirement for diesel fuel of low sulphur and aromatic content is increasing worldwide; meantime the quality of available crude oils has declined causing challenges in hydroprocessing of gas oils. Results of quality improvement of heavy gas oil...
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Tae-Ho Lee and Il-Seok Kang
A small combustion chamber was developed and manufactured for empirical combustion testing of several alternative fuels developed to meet IMO emission limits for fuel oil used in ships. The combustion chamber consists of four independent tanks and a circ...
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Wen Zhang, Wenhui Liu, Xiaofeng Wang, Zhengliang Huang, Qingfen Kong, Houyong Luo, Dongdong Zhang, Peng Liu, Xiaoyan Chen and Zhenghong Cai
Interactive depositional systems of marine carbonates and gypsum salt rocks are closely related to natural gas reservoirs. Despite continuous progress in the exploration of new areas of marine carbonate genesis within the Ordos Basin, the source and mech...
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Asrar Ahmed Sabir,Ahmad Shahrul Nizam B. Isha
Pág. 138 - 142
The oil and gas sector plays a vital role in the economic development of Malaysia. The transportation of oil and gas product is a sensitive issue because a minor negligence of a tanker truck driver can cause a serious accident of heavy loss and fatality....
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Baofeng Yao, Fubin Yang, Hongguang Zhang, Enhua Wang and Kai Yang
A dual loop organic Rankine cycle (DORC) system is designed to recover waste heat from a heavy-duty compressed natural gas engine (CNGE), and the performance of the DORC?CNGE combined system is simulated and discussed. The DORC system includes high-tempe...
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Attilio Brighenti, Davide Duranti and Debora Quintabà
Dynamic simulation of turbomachinery by Hardware in the Loop (HIL) real-time systems has become an essential practice, due to the high cost of real equipment testing and the need to verify the control and diagnostic systems? reaction to emergency situati...
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Sandia Primeia, Chihiro Inoue and Mei-Fang Chien
Bioremediation is one of the promising environment-friendly approaches to eliminate oil contamination. However, heavy oil is known to degrade slowly due to its hydrophobicity. Therefore, microorganisms capable of producing biosurfactants are gaining subs...
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Dongchan Kim and Junggeun Han
Nanobubbles were manufactured by using pressurized hydrogen gas and were applied to soils contaminated with heavy metals, to confirm their function as enhancers. The manufactured nanobubbles remained for an extended period of time. A batch-test experimen...
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M. M. Biliaiev
Pág. 83 - 85
A numerical model to simulate the process of heavy gas transfer is developed. The numerical simulation is carried out using 3D models of pollutant transfer and potential flow. The implicit finite difference schemes are used. The results of numerical simu...
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Riyadh S. Almukhtar, Ali Amer Yahya, Omar S. Mahdy, Hasan Shakir Majdi, Gaidaa S. Mahdi, Asawer A. Alwasiti, Zainab Y. Shnain, Majid Mohammadi, Adnan A. AbdulRazak, Peter Philib, Jamal M. Ali, Haydar A. S. Aljaafari and Sajda S. Alsaedi
Due to the significant increase in heavy feedstocks being transported to refineries and the hydrocracking process, the significance of adopting an ebullated bed reactor has been reemphasized in recent years. The predictive modelling of gas hold-up in an ...
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Wei Li, Junfang Ma, Tao Zhu, Haiqiao Wei and Jiaying Pan
To evaluate the significance of the geometrical parameters of a passive pre-chamber on engine performance, this study investigated the design of a plug-and-play passive pre-chamber in a 15 L heavy-duty natural gas engine. Multi-dimensional numerical inve...
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Adrian Schlottke and Bernhard Weigand
Two-phase flow in gas turbine compressors occurs, for example, at heavy rain flight condition or at high-fogging in stationary gas turbines. The liquid dynamic processes are independent of the application. An overview on the processes and their approach ...
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Hulda Winnes, Erik Fridell and Jana Moldanová
There is an increase in installations of exhaust gas scrubbers on ships following international regulations on sulphur content in marine fuel from 2020. We have conducted emission measurements on a four-stroke marine engine using low sulphur fuel oil (LS...
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Claudio Argentino, Stefano Conti, Chiara Fioroni and Daniela Fontana
The occurrence of seep-carbonates associated with shallow gas hydrates is increasingly documented in modern continental margins but in fossil sediments the recognition of gas hydrates is still challenging for the lack of unequivocal proxies. Here, we com...
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Fengming Du, Cong Li and Weiwei Wang
Oil and gas exploration is a sector which drives the global economy and currently contributes significantly to global economic development. The safety of subsea pipelines is deeply affected by factors such as pipeline buckling, corrosion and leakage. Onc...
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Dicho Stratiev, Ivelina Shishkova, Mihail Ivanov, Rosen Dinkov, Georgi Argirov, Svetlin Vasilev and Dobromir Yordanov
A gas chromatography high temperature simulation distillation (HTSD: ASTM D 7169), and physical vacuum distillation (ASTM D 1160) were employed to characterize H-Oil vacuum distillates, straight run vacuum distillates, and hydrotreated vacuum distillates...
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Mohamed Elfaki, Mohammad Shakir Nasif and Masdi Muhammad
Slug multiphase flow is known to be the most prevalent regime because of its extensive encounters associated with chaotic behaviour, complexity and instability that cause significant fluctuations in operating conditions and thus lead to undesirable effec...
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