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Francesco Asdrubali, Franco Cotana and Antonio Messineo
Among solar passive systems integrated in buildings, sunspaces or solar greenhouses represent a very interesting solution. A sunspace is a closed, southbound volume, constituted by transparent surfaces, adjacent to a building, which reduces winter energy...
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Muhammad Sanaullah, Xiuquan Wang, Sajid Rashid Ahmad, Kamran Mirza, Muhammad Qasim Mahmood and Muhammad Kamran
The fate of agriculture in Pakistan is predominantly concerned with excessive water mining threats to the subsurface water resources. The current study integrates the Visual MODFLOW-2000 application to estimate the water balance of an aquifer bounded by ...
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Thabang Mafokwane and Daramy Vandi Von Kallon
A non-intrusive cleaning method for boiler tubes at Sasol Synfuels power station at Secunda, in the Mpumalanga province of South Africa, is preferred over conventional methods that require boiler shutdown. The elected non-intrusive cleaning method utiliz...
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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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Seppo Sierla, Lotta Sorsamäki, Mohammad Azangoo, Antti Villberg, Eemeli Hytönen and Valeriy Vyatkin
A laboratory water heating and pressurizing process is used as a case study to demonstrate the proposed methodology for digital twin generation.
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Marwan Rosyadi, Atsushi Umemura, Rion Takahashi and Junji Tamura
In this paper, a detailed model and an average model of an MMC (Modular Multilevel Converter)-controlled Permanent Magnet Synchronous Generator (PMSG)-based direct drive wind turbine are proposed. The models are used to analyze the steady-state and trans...
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Haosheng Shen, Jundong Zhang, Baicheng Yang and Baozhu Jia
In this article, to meet the requirements of marine engine room simulator on both the simulation speed and simulation accuracy, a mean value engine model (MVEM) for the 7S80ME-C9.2 marine two-stroke diesel engine was developed and validated in the MATLAB...
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Yibing Xu, Lei Gao, Ruizhe Cao, Chong Yan and Ying Piao
Currently, an increasing number of designers have begun to pay attention to a new paradigm for evaluating the performance with full engine 3-dimensional computational fluid dynamics (3D CFD) simulations. Compared with the traditional component-based perf...
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Mohsin Ehsan, Usman Ali, Farooq Sher, Hafiz M. Abubakar and Muhammad Fazal Ul Basit
Stabilization of condensate is a highly energy-consuming process compared to other oil and gas processes. There is a need to reduce this energy consumption. Therefore, the present work aims to simulate the stabilization unit in terms of available energy ...
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Xianyuan Yang, Jiaming Wu, Quanlin Li and Haiyan Lv
This paper presents a numerical study of the depth tracking control for an underwater towed system under wave?ship interference condition. To overcome the laminations of ignoring the hydrodynamic factors and wave?ship interference in the existing simulat...
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Daichi Wada, Sergio A. Araujo-Estrada and Shane Windsor
Nonlinear flight controllers for fixed-wing unmanned aerial vehicles (UAVs) can potentially be developed using deep reinforcement learning. However, there is often a reality gap between the simulation models used to train these controllers and the real w...
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Hugo Hultman, Stefan Cedergren, Kristina Wärmefjord and Rikard Söderberg
The aerospace industry faces constantly increasing demands on performance and reliability, especially within the vital area of engine development. New technologies are needed in order to push the limits of high precision manufacturing processes for the n...
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Yonggui Zheng, Meng Liu, Hao Wu and Jun Wang
The aircraft engine bleed air simulation thermodynamic laboratory simulation parameters include the bleed air pressure and temperature. However, existing laboratories cannot carry out the dynamic test of the engine bleed air simulation. In the engine ble...
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Jun Fang, Tianhong Zhang, Zhaohui Cen and Elias Tsoutsanis
The starter generator, characterized by controllable starting torque and disturbance in generator load torque, poses challenges for the multi-electric aero engine control. The key to addressing this issue lies in multi-electric aero engine control with t...
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William Lambert, Stefano Brizzolara and Craig Woolsey
Near-surface simulation methods for shallowly submerged underwater vehicles are necessary for the population of a variety of free-surface-affected, coefficient-based maneuvering and seakeeping models. Simulations vary in complexity and computational cost...
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Rongbin Xin, Jinguo Zhai, Chang Liao, Zongyu Wang, Jifeng Zhang, Zabihollah Bazari and Yulong Ji
Development of intelligent ships requires marine diesel engine simulation models of high accuracy and fast response. In addition, with advent of tighter shipping air emissions regulations, such models are required to have emission prediction capabilities...
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Yonggui Zheng, Meng Liu, Hao Wu, Jun Wang, Peng Xu and Side Jin
As a critical system of onboard aircraft equipment, the environmental control system (ECS) has an essential impact on flight safety. The performance of the ECS is usually tested using the thermal test facility. The facility comprises temperature and pres...
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Mohamed Okasha, Jordan Kralev and Maidul Islam
Parrot Mambo mini-drone is a readily available commercial quadrotor platform to understand and analyze the behavior of a quadrotor both in indoor and outdoor applications. This study evaluates the performance of three alternative controllers on a Parrot ...
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Garam Ku, Songjune Lee, Cheolung Cheong, Woong Kang and Kuksu Kim
In industrial fields dealing with high-temperature and high-pressure gas such as chemical, petrochemical, and offshore oil production plants, piping systems with valves are frequently used to protect the relevant system and equipment from being damaged b...
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Liangang Xiao, Yaxian Hu, Philip Greenwood and Nikolaus J. Kuhn
The use of sediment settling velocity based on mineral grain size distribution in erosion models ignores the effects of aggregation on settling velocity. The alternative approach, wet-sieved aggregate size distribution, on the other hand, cannot represen...
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