Mechanical engineering topic list of research papers
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Off-design performance of solar Centaur-40 gas turbine engine using Simulink
Abstract In the present study, a Simulink model based on Matlab software is used to calculate the off-design running point for single shaft Centaur 40 power generation gas turbine engine. The off-design calculations comprise two models, the first is ...
2013 / M.H. Gobran -
Natural gas oxy-fuel cycles—Part 1: Conceptual aerodynamic design of turbo-machinery components
Abstract Several oxy-fuel cycles have been considered in the ENCAP project. These cycles require compressors and turbines that operate at different conditions and with different gas compositions from conventional heavy-duty gas turbines. Conceptual...
2009 / G. Woollatt, F. Franco -
Study on Emissions of a DI Diesel Engine Fuelled with Pistacia Chinensis Bunge Seed Biodiesel-Diesel Blends
Abstract This paper deals with the emissions of an YTR3105 direct injection diesel engine fuelled with pistacia chinensis bunge seed biodiesel-diesel blends. The results of the study show that CO, HC and exhaust smoke emissions decrease with the...
2012 / Ma Zhihao, Zhang Xiaoyu, Duan Junfa, Wang Xin, Xu Bin, et al. -
Reliability Optimization Model for Redundant Systems with Multiple Constraints
Abstract The Reliability Optimization Models for Redundant Systems with multiple constraints for one mathematical function is established by applying Lagrangean approach, the related case problem is presented to find the component reliabilities...
2012 / S.V. SureshBabu, D. Maheswar, G. Ranganath -
Linear Parameter-Varying Modeling for Gain-Scheduling Robust Control Synthesis of Flexible Joint Industrial Robot
Abstract Industrial robot features a multivariable, nonlinear and coupled dynamics property, which is always the inevitable topic for control engineer to face during the design of motion controller to achieve desired performance. In the past half...
2012 / Bin Niu, Hui Zhang -
Rowing faster by surface treatment
Abstract The largest part of hydrodynamic drag during rowing, sailing or canoeing is the turbulent skin friction (80-90%). Higher velocities can be achieved by reducing the friction drag as a result of surface treatment. This research focuses on the ...
2012 / Arnoud Greidanus, Rene Delfos, Jerry Westerweel -
Relationship between the Characteristics of Cationic Polyacrylamide and Sewage Sludge Dewatering Performance in a Full-Scale Plant
Abstract To identify the key characteristics of cationic polyacrylamide (c-PAM) for evaluating sewage sludge dewatering performance, we examined the properties of 13 types of c-PAMs that come from different manufacturers via a laboratory assay. The...
2012 / Jiawei Wang, Chen Chen, Qiong Gao, Tong Li, Fenfen Zhu -
Effect of evaporator temperature on vapor compression refrigeration system
Abstract This paper presents a comparable evaluation of R600a (isobutane), R290 (propane), R134a, R22, for R410A, and R32 an optimized finned-tube evaporator, and analyzes the evaporator effect on the system coefficient of performance (COP). Results ...
2012 / Abdullah A.A.A. Al-Rashed -
Novel cycles for power generation with CO2 capture using OMCM technology
Abstract Most capture technologies, today, are associated with large energy penalties, thus decreasing their economic viability. Efficiency is one of the most important feature when designing and selecting power plants with CO2 capture. Oxygen mixed ...
2009 / Rahul Anantharaman, Olav Bolland, Knut I. Åsen -
Design of face-hobbed spiral bevel gears with reduced maximum tooth contact pressure and transmission errors
Abstract The aim of this study is to define optimal tooth modifications, introduced by appropriately chosen head-cutter geometry and machine tool setting, to simultaneously minimize tooth contact pressure and angular displacement error of the driven ...
2013 / Vilmos Simon -
Automatic Control System of Copper Pipe and Aluminum Pipe Butt Resistance Welding Machine
Abstract It becomes a tendency that the application of copper pipe and aluminum pipe welding joints in the field of refrigeration. Based on analysis of Cu-Al pipe welding process, a PLC automatic control system was developed to accurately control...
2011 / Zhang Yue, Han Li, Sun Taili, Li Qidong, Zhang Xichuan -
Visualizing control systems performance: A fractional perspective2015 / A. M. Lopes, J. A. Tenreiro Machado
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UG-based research and development of 3D pipe layout system of the aircraft engine
Abstract Standardized design method is important for the airworthiness certification. Based on the principles and features of the aircraft engine external pipe system, in this paper, the research on the theory of automation of pipe layout has been...
2011 / Lv Yanjie, Zhao Gang -
Numerical Investigation of a Burner Configuration to Minimize Pollutant Emissions
Abstract Combustion process in furnaces is affected by various factors, so that the aim of present research is investigation on one of the aforementioned factors on the combustion process of burners which are uses in refineries and petrochemical...
2012 / R. Zadghaffari, J.S. Moghaddas, Z. Rahimiahar -
Effect of thermal gradient on vibration of non-homogeneous orthotropic trapezoidal plate of linearly varying thickness
Abstract In this paper, thermal effect on vibration of non-homogeneous orthotropic trapezoidal plate of linearly varying thickness is studied through a numerical method. Rayleigh Ritz method is used to evaluate the fundamental frequencies. The...
2012 / Arun Kumar Gupta, Shanu Sharma -
Investigation of Vibration Mitigation of Flexibly Support Rigid Rotors Equipped with Controlled Elements
Abstract The subject of investigations presented in this article is achieving the optimum attenuation of lateral vibration of rotors by means of two design variants of constraint elements: semiactive magnetorheological squeeze film dampers and...
2012 / Petr Ferfecki, Jaroslav Zapoměl -
Reliability Assessment of Cutting Tools Life based on Advanced Approximation Methods
Abstract Cutting tools’ reliability influences the whole manufacturing efficiency. However, in most cases the same cutting tool may be used for different operations with different processing parameters, making thus difficult to estimate the...
2013 / Konstantinos Salonitis, Athanasios Kolios -
Numerical investigation of the interaction between upstream cavity purge flow and main flow in low aspect ratio turbine cascade
Abstract In modern gas turbines, rim seal located between the stator-disc and rotor-disc is used to prevent hot-gas ingestion into the inner stage-gap of high pressure turbine. However, the purge flow supplied to the cavity through the rim seal...
2013 / Wei Jia, Huoxing Liu -
Modelling of a supercharged semi-closed oxyfuel combined cycle with CO2 capture and analysis of the part-load behavior
Abstract Based on different sources a gas turbine model including a cooling model has been set up using the simulation software EBSILON® Professional. A gas turbine (GT) in simple cycle and a natural gas combined cycle (NGCC) including a triple...
2009 / Thomas Riethmann, Frank Sander, Roland Span -
Research on Emergency Treatment System of Digital Industrial Parks
Abstract This paper briefly introduces the concept of digital industrial park, discusses the classification and evaluation, composition and division, as well as preview and assess of response ability of the emergency treatment system for digital...
2011 / YAO Hao-wei, ZHAO Zhe, LIANG Dong, Arnd Rogner, LAI Jing-wei