Zeitschriftenartikel: „Engine bed test“

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Gaberscik, Gerald, Rudolf Gurtner und Werner Tripolt. „Integrated ECU-test on the engine test bed“. MTZ worldwide 67, Nr. 7-8 (Juli 2006): 29–32. http://dx.doi.org/10.1007/bf03227864.

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Beşli, Nurettin, Haluk Gümüşkaya und Ali Sürmen. „Automation of a Gasoline Engine Test Bed“. IFAC Proceedings Volumes 25, Nr. 8 (Juni 1992): 88–95. http://dx.doi.org/10.1016/s1474-6670(17)54051-3.

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3

NISHIMURA, Hidekazu, und Kazuyuki KIMISHIMA. „308 Robust Control of Engine Test Bed“. Proceedings of Conference of Kanto Branch 2000.6 (2000): 75–76. http://dx.doi.org/10.1299/jsmekanto.2000.6.75.

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4

Peng, Sheng Hui, Zi Hong Wang, An Yu Chen und Yuan Wang. „The I.C. Engine Test-Bed Laboratory Control System Designing“. Advanced Materials Research 396-398 (November 2011): 2314–17. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.2314.

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This paper discusses the designing of I.C. engine test-bed laboratory’s general layout and its control system，puts forward the model of the I.C. Engine Test-Bed control system based on CAN-BUS. The system adopts the centralized management and decentralized control. Each I.C. engine test-bed is controlled by the master computer on the foundation of independent control. The system also adopts the standardization module design, easy to expand and to be used widely.

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Infitah Hilmiah, Siti Iin, Sri Mulyani und Lazuardy Rahendra P. „Manufacturing Engine Test Bed Dle-55cc Single Cylinder Petrol“. Vortex 2, Nr. 2 (30.06.2021): 50. http://dx.doi.org/10.28989/vortex.v2i2.1007.

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The engine test bed is a tool used for testing in the development of new aircraft when it is installed into the aircraft to determine the capabilities of each engine. This engine test bed research aims to meet the needs of the learning process in supporting the practicum. By determining the geometry, modeling, material selection, manufacture, and testing of the engine test bed it will be known that the engine performance is good before use. The method used is a practical and analytical method to analyze the data that has been obtained from the test. The object of research used in this study is a dle-55cc engine. based on the results of testing the results of the thrust that compares with the static value of the thrust calculator, the average difference is obtained. From the results of the comparison of errors on the test equipment, the 22×8 propeller (4.5cm chord) obtained an average error of 4.178%. While the propeller 22×8 (chord 5cm) the error generated is 3.719% and from the value of fuel consumption obtained it produces 588,600-20,708 (N/kW.hr) this shows a good level of decline, so the engine used is more efficient in its use. From the test results, it can be said that the engine test bed has accuracy and can produce good engine performance to be used as a testing and other learning tool.

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KALKE, Jakub, Marcin OPALIŃSKI und Paweł MAZURO. „Experimental test stand for development of an opposed-piston engine and initial results“. Combustion Engines 169, Nr. 2 (01.05.2017): 76–82. http://dx.doi.org/10.19206/ce-2017-213.

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The article presents the reason for developing a 0D predictive and diagnostic model for opposed-piston (OP) engines. Firstly, a description of OP engines, together with their most important advantages and challenges are given together with current research work. Secondly, a PAMAR-4 engine characteristic is presented. After that the proposed 0D predictive model is described and compared with the commercially availible software. Test stand with most important sensors and solutions are presented. After that the custom Engine Control Unit software is characterized together with a 0D diagnostic model. Next part discusses specific challenges that still have to be solved. After that the preliminary test bed results are presented and compared to the 0D simulations. Finally, the summary together with possible future improvement of both 0D predictive model and test bed capabilities are given.

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Denger, Dirk, Alois Hirsch, Gerald Hochmann und Josef Zehetner. „The virtual vehicle at the engine test bed“. MTZ worldwide 71, Nr. 9 (September 2010): 32–36. http://dx.doi.org/10.1007/bf03227042.

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8

Liu, Peng, Zhenhua Jin, Yuwei Hua und Lu Zhang. „Development of Test-Bed Controller for Powertrain of HEV“. Energies 13, Nr. 13 (01.07.2020): 3372. http://dx.doi.org/10.3390/en13133372.

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The dynamic test-bed is a powerful tool for the powertrain integration and control strategy development of a hybrid electric vehicle (HEV). This paper focuses on developing a test-bed controller with driver simulation, road load simulation (RLS), and engine simulation. The main factors that influence the RLS accuracy are analyzed, especially inertia of test-bed and torque signal sampling frequency, and the RLS algorithm with penalty function based on a forward model is proposed. The engine model is developed and permanent magnet synchronous motor (PMSM) is adopted to realize engine start-up/stop, torque control, and inertia simulation. The simulation platform was built in MATLAB/Simulink to verify its accuracy. The simulation results present the developed RLS with a penalty function based on a forward model that can reduce the speed and torque error. The developed controller is applied to the single-axis parallel HEV test-bed. The experiment results show that the developed test-bed controller can precisely emulate the road load and improve the efficiency of the development of HEV powertrain.

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Hu, Ying, Jianguo Yang, Nao Hu, Lei Hu, Zhengyan Qian und Yonghua Yu. „Research and development of electronic speed control strategies for medium-speed marine diesel engines“. International Journal of Engine Research 19, Nr. 5 (14.08.2017): 584–96. http://dx.doi.org/10.1177/1468087417725005.

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Modern diesel engine systems rely more and more on electronic control systems. The benefits of such electronic control systems include reduced fuel consumption, limited emissions and enhanced performance. Following the trend, this article aims to derive an appropriate methodology for improving the performance of the speed regulation by upgrading an existing mechanical governing control system to an electronic one for the marine diesel engine. Hardware-in-loop simulations and the diesel engine test-bed experiments are applied to realize a V-type mode study of the speed control strategies for the marine medium-speed diesel engines. First, the algorithm of the strategies and the functions of the electronic control unit are verified through hardware-in-loop test bench which is established using hardware devices and a software tool chain from ETAS GmbH. Additionally, the specific parameters are modified and calibrated finely on the test bed with an online debugging system. Finally, to demonstrate the performances and the generality of the proposed control strategies, the test-bed results of the two types of marine diesel engines are illustrated. The experimental results indicate that a better performance is achieved by replacing the original controller with the proposed controller. And the methodology of the control strategies development is proven to be efficient.

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Wohlthan, Michael, Gerhard Pirker und Andreas Wimmer. „Modular Fault Diagnosis System for Engine Test Bed Measurements“. SAE International Journal of Commercial Vehicles 10, Nr. 1 (28.03.2017): 159–69. http://dx.doi.org/10.4271/2017-01-0386.

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LI, Wen-feng, und Yong-sheng WANG. „Simplified Removable Ground Test-Bed for Testing Turbofan Engine“. Chinese Journal of Aeronautics 16, Nr. 3 (August 2003): 138–41. http://dx.doi.org/10.1016/s1000-9361(11)60174-x.

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Dai, J. G., und L. Y. Liao. „A Study on the Sensors and Actuators Test-Bed of Electronic-Control Engine“. Key Engineering Materials 426-427 (Januar 2010): 540–44. http://dx.doi.org/10.4028/www.scientific.net/kem.426-427.540.

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The design mentality and the unique feature of sensors and the actuators of AJR electronic-control engine test-bed were introduced. The test-bed not only examines each sensor’s static parameter directly, but also used tester and oscillograph to examine the data stream, the waveform, and so on. Besides the functions of the test-bed that mention formerly, the sensors and the actuators malfunction diagnosis module was designed. The test-bed was debugged when it was completed, and the results show that the test-bed achieved the desired goal, as well as meet the requirements of the actual teaching.

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Lin, W., M. H. Wu und S. Duan. „Engine Test Data Modelling by Evolutionary Radial Basis Function Networks“. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 217, Nr. 6 (01.06.2003): 489–97. http://dx.doi.org/10.1243/095440703766518113.

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The engine test bed is introduced briefly and the importance of modelling for the engine test is discussed. The application of combining radial basis function (RBF) networks and a real-coded genetic algorithm (RCGA) to create the model is described for the engine test. Finally, the experimental results are analysed and it is shown that the proposed approach combining RCGA and RBF models is well suited for the engine test data modelling task.

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Montazeri-Gh, Morteza, Seyed Alireza Miran Fashandi und Soroush Abyaneh. „Real-time simulation test-bed for an industrial gas turbine engine’s controller“. Mechanics & Industry 19, Nr. 3 (2018): 311. http://dx.doi.org/10.1051/meca/2018028.

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A hardware-in-the-loop (HIL) test for a control unit of an industrial gas turbine engine is performed to evaluate the designed controller. Although the dynamic performance of the studied gas turbine is strictly related to the variable inlet guide vain (VIGV) position, one of the main challenges is to develop an engine model considering VIGV variations. The model should also be capable of real time simulation. Accordingly, the gas turbine is numerically modeled using bond graph concepts. To demonstrate the operational reliability of the engine’s control strategy, the control algorithm is implemented on an industrial hardware as an embedded system. This is then put into a HIL test along with the engine model. The actual component (controller) and the virtual engine model are the hardware and software parts of the HIL test, respectively. In this experiment, the interaction between the real part and the rest of the system is compared with that of the completely numerical model in which the controller is a simulated software-based model as is the engine itself. Finally, the results indicate that the physical constraints of the engine are successfully satisfied through the implementation of control algorithms on the utilized hardware.

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Ahmed, Fawwad, Ahmad Aizaz und Zahid Mahmood. „Mechanical Design to Adapt Changes to Existing Universal Test Bed Facility of Turbojet Engine for the Turbofan Engine“. Advanced Materials Research 983 (Juni 2014): 374–78. http://dx.doi.org/10.4028/www.scientific.net/amr.983.374.

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The existing Universal Test Bed (UTB) is a facility to ground test Turbojet Engines before installation on the aircraft. This work provides a feasibility study to adapt changes to this UTB for the Turbofan Engine. Necessary design modification of existing UTB is performed by applying propulsive and structural analysis for the adaptation of Turbofan engine. Physical measurements of the UTB and the mounts of Turbofan Engine reveal their mutual compatibility. Based on these measurements, six different CAD models are generated in Solid Works® and analyzed in ANSYS® Workbench. After grid independence check, validation of the model with applied loads and the boundary conditions was done through comparison of analytical calculations with those of a simplified CAD model. Based on minimum stress vis-à-vis maximum Factor of Safety (FOS), the best design is finally selected through this research.

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KIMISHIMA, Kazuyuki, und Hidekazu NISHIMURA. „Robust Control of Engine Test Bed for Vehicle Motion Simulation.“ Transactions of the Japan Society of Mechanical Engineers Series C 67, Nr. 653 (2001): 94–101. http://dx.doi.org/10.1299/kikaic.67.94.

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IDZIOR, Marek, Wojciech KARPIUK, Maciej BIELIŃSKI, Tomasz BOROWCZYK, Paweł DASZKIEWICZ und Paweł STOBNICKI. „A concept of a turbocharger test stand“. Combustion Engines 156, Nr. 1 (01.02.2014): 30–40. http://dx.doi.org/10.19206/ce-116950.

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The paper presents selected possibilities of vehicle turbocharger testing using an exhaust gas generator (based on a passenger vehicle) designed in the laboratory on the engine test bed. An outline of the range of turbocharger testing, the design and main characteristics of the test stand have been described. Several validation tests have been presented in terms of the technical parameters, operativeness, and functionality. Basic parameters of the engine have been analyzed that have impact on the turbocharger speed.

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Latiff, Zulkarnain Abdul, Azhar Abdul Aziz, Mohd Rozi Mohd Perang und N. Abdullah. „The Effect of Fuel Additives on Gasoline Heating Value and Spark Ignition Engine Performance: Case Study“. Applied Mechanics and Materials 388 (August 2013): 301–6. http://dx.doi.org/10.4028/www.scientific.net/amm.388.301.

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Today fuel additives had been used widely for the enhancement of fuel economy and engine performance. Fuel additives are substance that acts as catalysts for the completeness combustion of fuel in order to increase the heat released and hence the work output will be improved. The purpose of this paper is to investigate the effect of the additives on fuel heating value and engine performance. In this study, three different additives available in the market have been chosen to determine the effect on heating value and engine performance when mixed with fuel. Two types of test were conducted, namely the calorific value and engine performance test. The first test was conducted using a bomb calorimeter with test method in accordance with the DIN 51900 and ASTM D240. The later test was done using engine test bed and with the agreement of BS 5514 (Parts 1 to 6), Reciprocating Internal Combustion Engines: Performance, and SAE 1349 Standard Engine Power Test Code. The study shows that fuel additives can cause a standard fuel to have higher heating value up to 5%. As for the engine performance, the engine brake thermal efficiency and brake mean effective pressure were increased up to 8% and 10% respectively. The specific fuel consumption can be reduced up to 9%.

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Skrzek, Tomasz, Mirosław Rucki, Krzysztof Górski, Jonas Matijošius, Dalibor Barta, Jacek Caban und Janusz Zarajczyk. „Repeatability of High-Pressure Measurement in a Diesel Engine Test Bed“. Sensors 20, Nr. 12 (19.06.2020): 3478. http://dx.doi.org/10.3390/s20123478.

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This paper addresses the issue of metrological accuracy of instantaneous in-cylinder pressure measurement in a diesel engine test bed. In studies, the central unit has been the single-cylinder AVL 5402 engine. The pressure measurement was performed with a sensor designed for thermodynamic analysis, and the results were related to the crank angle, where two rotations corresponding to the four-stroke working cycle were denoted as angles between −360° and +360°. The novelty of this paper is the proposition of how to perform a type A uncertainty estimation of the in-cylinder pressure measurement and to assess its repeatability. It was demonstrated that repeatability of the measurement during the ignition process was difficult to estimate because of the phenomena that cannot ensure the repeatability conditions. To solve the problem, two methods were proposed. In one method, the pressure was measured in the subsequent cycles immediately after the ignition was turned off, and in another method, the engine was driven by a starter. The latter method provided maximal pressure values much lower than during usual tests. The obtained repeatability of measured pressure was %EV = 0.4%, which proved high capability of the evaluated measurement system.

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Fujitsu, Yusuke, und Hidekazu Nishimura. „ROBUST CONTROL OF ENGINE TEST BED CONSIDERING VARIATION OF TRANSMISSION DYNAMICS“. Proceedings of the International Conference on Motion and Vibration Control 6.2 (2002): 873–78. http://dx.doi.org/10.1299/jsmeintmovic.6.2.873.

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Żokowski, Mariusz, Paweł Majewski und Jarosław Spychała. „Detection Damage in Bearing System of Jet Engine Using the Vibroacoustic Method“. Acta Mechanica et Automatica 11, Nr. 3 (01.09.2017): 237–42. http://dx.doi.org/10.1515/ama-2017-0037.

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Abstract The article discusses typical, operational systems for monitoring vibrations of jet engines, which constitute the propulsion of combat aircraft of the Armed Forces of the Republic of Poland. After that, the paper presents the stage of installing vibration measuring sensors in the direct area of one of the jet engine bearings, which is a support system for its rotor. The article discusses results of carried out analyses of data gathered during tests of the engine in the conditions a jet engine test bed. Results of detecting damages to the bear-ing, using sensors built in the direct area will be presented.

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Wang, Qi, Yun Feng Ma und Xiao Min Hu. „Research on NO_x Concentration Field Distribution of a Turbo-Jet Engine Emissions“. Advanced Materials Research 732-733 (August 2013): 46–51. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.46.

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Along with the development of aviation industry, airplane emission pollutants is becoming more and more serious environment problem. All the pollutants of aero engine emission, the airplane and engine manufacture companies ,Airlines and environment protection departments care about most is how to reduce the NOx emission. In order to get the concentration distribution diagraph of NOx emission, a test-bed was constructed, the test-bed is designed of two test sections in emission pipeline, there are 13 sampling point in each section,3 test conditions selected to simulate different flying condition. The emission pollutants is monitored by Testo350,and the monitor results is analyzed by Fluent software to get the NOx concentration field distribution characteristics of a certain type of turbo-jet engine emission.

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Li, Yun Peng, und Wei Li. „The Design of the Test Control System of Small Piston Aircraft Engine“. Advanced Materials Research 1061-1062 (Dezember 2014): 912–15. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.912.

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For the engine maintenance enterprises, the test of aeroengine test can detect the performance of the product more accurately, but the engine testing work is a weak link. Conventional piston aircraft engine test system is the simulation instrument, according to the observed by human eyes, manual way to complete data collection work, this test system is inefficient. The engine bench test automatic measurement and control and monitoring system based on computer control is the inevitable trend of its development. Data acquisition module transmits the real-time data from the engine sensor installed on the different parts to the PC through CAN bus and display on the PC. The engine test bed control system and data acquisition system simplifies the system structure and obviously improves the test level and efficiency of the system.

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Mohtasebi, Seyed Saeid, Farzad A. Shirazi, Ahmad Javaheri und Ghodrat Hamze Nava. „Modeling and fuzzy control of the engine coolant conditioning system in an IC engine test bed“. Journal of Mechanical Science and Technology 24, Nr. 11 (November 2010): 2323–31. http://dx.doi.org/10.1007/s12206-010-0816-3.

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Qiao, An-Ping, Yun-Qing Li und Feng Gao. „Original design of coal-bed gas/air control units for engine-generator sets“. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 220, Nr. 2 (01.03.2006): 179–84. http://dx.doi.org/10.1243/095765005x69206.

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An original air/fuel automatic mixing control unit for a coal-bed gas internal combustion engine and its matching generator, which is different from the conventional one, is introduced. The basic design and calculation method of this novel unit are explained. On the basis of these, the units of the 12V190ZDT type engine-generator sets are calculated and designed, machined, and trial-produced. A year's service-test at the Centre of West Coal Mine Construction shows that the performances of these devices are stable and reliable, and that this method could solve many practical problems that the old unit could not; for instance, working with mid-low concentration of coal-seam gas. They also fill a gap in the field of design, calculation, development, and application of coal-bed gas devices; the economic and social benefits are also truly remarkable. Therefore, the design and calculation method obtained in this article are important for engineering applications. This paper also offers a theoretical basis for the design and development of coal-seam gas engines or sets of engine-generator.

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FUJITSU, Yusuke, und Hidekazu NISHIMURA. „μ Control of Motorcycle's Engine Test Bed with Six-speed Gear Transmission“. Proceedings of Conference of Kanto Branch 2002.8 (2002): 201–2. http://dx.doi.org/10.1299/jsmekanto.2002.8.201.

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Chang, Chiung I., und Chih Cheng Tsao. „A Cloud-Based Test Architecture for IPv6 SNMPv3 Agent“. Applied Mechanics and Materials 479-480 (Dezember 2013): 953–57. http://dx.doi.org/10.4028/www.scientific.net/amm.479-480.953.

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Since the Internet will migrating from IPv4 to IPv6 in the near future. There are many test methods to validate the IPv6 operation environment. Today, most of the IPv6 SNMPv3 test bed is both expensive and location restricted. This paper proposes an improved test method that can provide cloud-based service for the validation of IPv6 SNMPv3 agent. The proposed test architecture consists of two elements: Test broker and Test engine. Test broker as a negotiator between SNMPv3 agent, while Test engine is commissioned to create and manage test operations. Also, Test engine is delegated to perform test methodology on the SNMPv3 agent with IPv6 capabilities. This test service can be used anytime and anywhere to verify the selected IPv6 SNMPv3 agent no matter where it is located in the IPv6 world.

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Cui, De Li, Kuo Jiang, Su Li Feng und Xu Hua Zhai. „Finite Element Analysis of a Certain Tracked Vehicle Engine Compartment Test-Bed Support“. Advanced Materials Research 424-425 (Januar 2012): 1191–94. http://dx.doi.org/10.4028/www.scientific.net/amr.424-425.1191.

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This paper uses solidworks software to build 3-D model of a certain tracked vehicle engine compartment test-bed support, then analyzed the model strain state and mode under typical operation condition by ANSYS. It is calculated that the support can meet the design demand.

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MERKISZ, Jerzy, und Piotr ŚWIĄTEK. „The verification of ECU calibrations of a 1.3 Multijet engine on a chassis dynamometer“. Combustion Engines 135, Nr. 4 (01.11.2008): 14–21. http://dx.doi.org/10.19206/ce-117227.

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One of the basic purposes of passenger vehicle engine tests on a chassis dynamometer is to verify the results of the tests carried out on engine test beds in terms of the ECU parameters. The paper presents the analysis of the engine load distribution in driving cycles both European and American. The issue of the influence of selected calibrations of a 1.3 Multijet engine on its operating parameters and the exhaust emissions has been presented. The realization of the project consisted in performing a series of tests on a chassis dynamometer for selected ECU calibrations determined during the engine test bed phase.

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Grefen, Benedict, Johannes Becker, Stefan Linke und Enrico Stoll. „Design, Production and Evaluation of 3D-Printed Mold Geometries for a Hybrid Rocket Engine“. Aerospace 8, Nr. 8 (08.08.2021): 220. http://dx.doi.org/10.3390/aerospace8080220.

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The feasibility of 3D-printed molds for complex solid fuel block geometries of hybrid rocket engines is investigated. Additively produced molds offer more degrees of freedom in designing an optimized but easy to manufacture mold. The solid fuel used for this demonstration was hydroxyl-terminated polybutadiene (HTPB). Polyvinyl alcohol (PVA) was chosen as the mold material due to its good dissolving characteristics. It is shown that conventional and complex geometries can be produced reliably with the presented methods. In addition to the manufacturing process, this article presents several engine tests with different fuel grain geometries, including a short overview of the test bed, the engine and first tests.

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MERKISZ, Jerzy, Miłosław KOZAK, Jacek PIELECHA und Maciej ANDRZEJEWSKI. „The influence of application of different diesel fuel-RME blends on PM emissions from a diesel engine“. Combustion Engines 148, Nr. 1 (01.02.2012): 35–39. http://dx.doi.org/10.19206/ce-117049.

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The aim of the research described in this paper was to determine the potential of RME in reducing particulate emissions from diesel engines. The tests were carried out at Emissions Testing Laboratory, Poznan University of Technology using the AMX-210/100 engine test bed. The AVL Micro Soot Sensor and Smoke Meter were used to measure PM emissions. The emission measurements were carried out over a 13-mode ESC cycle. The tests were conducted on a direct injection (common rail), turbocharged, Euro 4 compliant passenger car diesel engine. Four different diesel fuel/RME blends were tested. These blends contained respectively: 5, 20, 50 and 100% RME.

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Saputra, Eqwar, und Sunaryo Sunaryo. „Studi Komparasi Performa Mesin SI Berbahan Bakar Pertalite dan Plastic Pyrolysis Oil (PPO)“. Creative Research in Engineering 1, Nr. 1 (17.01.2021): 12. http://dx.doi.org/10.30595/cerie.v1i1.9477.

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This study aims to evaluate the performance of gasoline engines using pure fuel (pertalite) with plastic pyrolysis oil (PPO) fuel from low-density polyethylene (LDPE) plastic waste. The test was carried out on a four stroke, single cylinder test bed machine. The research begins with the manufacture of fuel from low-density polyethylene (LDPE) plastic waste using the pyrolysis method. The performance parameters evaluated are torque, power and specific fuel consumption (BSFC). The results of the test show that the engine performance using LDPE type plastic waste fuel is relatively lower than pertalite. However, the consumption of LDPE fuel is lower than pertalite.

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Quillen, Kris, Rudolf H. Stanglmaier, Luke Moughon, Rosalind Takata, Victor Wong, Ed Reinbold und Rick Donahue. „Friction Reduction by Piston Ring Pack Modifications of a Lean-Burn Four-Stroke Natural Gas Engine: Experimental Results“. Journal of Engineering for Gas Turbines and Power 129, Nr. 4 (11.01.2007): 1088–94. http://dx.doi.org/10.1115/1.2719262.

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A project to reduce frictional losses from natural gas engines is currently being carried out by a collaborative team from Waukesha Engine Dresser, Massachusetts Institute of Technology (MIT), and Colorado State University (CSU). This project is part of the Advanced Reciprocating Engine System (ARES) program led by the U.S. Department of Energy. Previous papers have discussed the computational tools used to evaluate piston-ring/cylinder friction and described the effects of changing various ring pack parameters on engine friction. These computational tools were used to optimize the ring pack of a Waukesha VGF 18-liter engine, and this paper presents the experimental results obtained on the engine test bed. Measured reductions in friction mean effective pressure (FMEP) were observed with a low tension oil control ring (LTOCR) and a skewed barrel top ring (SBTR). A negative twist second ring (NTSR) was used to counteract the oil consumption increase due to the LTOCR. The LTOCR and SBTR each resulted in a ∼0.50% improvement in mechanical efficiency (ηmech).

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Nutu, Nikolaos Cristian, Constantin Pana, Niculae Negurescu, Alexandru Cernat, Dinu Fuiorescu und Ionel Mirica. „A research on fuelling a truck diesel engine with hydrogen“. E3S Web of Conferences 112 (2019): 01011. http://dx.doi.org/10.1051/e3sconf/201911201011.

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The paper presents experimental and theoretical investigations results of a truck diesel engine fuelled with diesel fuel and hydrogen by diesel-gas method. The purpose of the paper is to reduce the level of the nitrogen oxides emission level and to improve the overall performances of the engine. The use of hydrogen represents a suitable method to reduce the classic fuels consumption, maintaining the energetic performances of the engine. The test bed situated in the Thermotechnics, Engines, Thermal Equipments and Refrigeration Instalations Department of University Politechnica of Bucharest was adapted for hydrogen fuelling of the truck diesel engine. The engine used for investigations is a turbocharged 10.2 l truck diesel engine which run at 1450 rpm and 40% engine load. By hydrogen fuelling if the investigated diesel engine a decrease has been achieved in the nitrogen oxides emission level and in the smoke emission level. Also the break energetic specific consumption decreased compared to the standard diesel engine. The theoretical investigations presented in tha paper are based on a semi-empirical corellation, used to simulate the nitrogen monoxide emission formation. The results of the experimental investigations confirm de viability of hydrogen as an alternative fuel for the diesel engine.

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FUJITSU, Yusuke, und Hidekazu NISHIMURA. „Robust Control of Engine Test Bed for Virtual Drive with Shifting of Gears“. Proceedings of the Symposium on the Motion and Vibration Control 2003.8 (2003): 489–94. http://dx.doi.org/10.1299/jsmemovic.2003.8.489.

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John, Simon K., R. K. Mishra und P. Balachandra Shetty. „Test Bed Calibration by Trend Analysis for Reliability of a Turboshaft Engine Performance“. Journal of Failure Analysis and Prevention 17, Nr. 6 (10.10.2017): 1208–16. http://dx.doi.org/10.1007/s11668-017-0359-3.

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Schenk, B. „Ceramic Turbine Engine Demonstration Project: A Summary Report“. Journal of Engineering for Gas Turbines and Power 124, Nr. 3 (19.06.2002): 617–26. http://dx.doi.org/10.1115/1.1417983.

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Honeywell Engines, Systems & Services has successfully addressed critical concerns that are slowing commercialization of structural ceramics in gas turbines. The U.S. Department of Energy (DoE) sponsored Ceramic Turbine Engine Demonstration Project (CTEDP) had the mission of advancing ceramic gas turbine component technology toward commercialization. The thrust of the program was to “bridge the gap” between ceramics in the laboratory and near-term commercial heat engine applications. Most of this mission has been achieved. The 331-200[CT] auxiliary power unit (APU) test bed featured ceramic first-stage nozzles and blades. Fabrication of ceramic components provided manufacturing process demonstration scale-up to the minimum levels needed for commercial viability. Through this program, design methods refinement and the development of new design methods unique to ceramic turbine components have been supported and validated in rig and development engine testing. Over 6800 hours of on-site endurance tests demonstrated component reliability. Additional field testing in APUs onboard commercial aircraft and stationary industrial engines has been initiated and will continue beyond completion of this program.

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Hu, Ming Hui, Shao Zhi Xu, Da Tong Qin und Guo Yun Li. „The Research of Starting Engine In-Motion for HEV“. Applied Mechanics and Materials 121-126 (Oktober 2011): 3008–14. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.3008.

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Based on the vehicle dynamic equation in starting engine in-motion process for HEV, theoretical derivation is conducted to obtain the impact hardness equation in the process. By using matlab/simulink, the law of influence the parameters have on the impact hardness equation is analyzed. Then, coordinated control stategy between the clutch pressure and motor torque, and between motor torque and engine torque is proposed based on the influence law. At last a test bed of the starting engine in-motion for HEV is implemented. The test results show that the change rate of clutch pressure, motor torque and engine torque, can effectively coordinate the change relation between the clutch pressure, the motor torque, and the engine torque. And the test results satisfy the requirements of ride comfort in starting engine in-motion process for HEV well.

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Knauder, Christoph, Hannes Allmaier, David E. Sander und Theodor Sams. „Measurement of the crankshaft seals friction losses in a modern passenger car diesel engine“. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 234, Nr. 7 (25.08.2019): 1106–13. http://dx.doi.org/10.1177/1350650119870353.

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This paper presents results of experimental investigations on the friction losses of the crankshaft radial lip seals of a modern four-cylinder diesel engine for passenger car applications. A two stage strip-test has been conducted on a motored engine test bed to obtain the friction torque of the radial lip seals. For the experimental investigations with the crankshaft seals removed from the engine, a special sealing apparatus has been designed and built. A wide range of tests have been performed covering the full speed range of the engine at lubricant temperatures of 70 ℃, 90 ℃, and 110 ℃. The results show a dependency on crankshaft speed and engine media supply temperature but also revealed the presence of constant plateaus of friction torque over engine speed.

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MYSŁOWSKI, Janusz, und Krzysztof TALAGA. „Thermal loads of a piston in a diesel engine during startup“. Combustion Engines 133, Nr. 2 (01.05.2008): 20–25. http://dx.doi.org/10.19206/ce-117242.

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The paper presents the issue of thermal loads of a piston in a combustion engine with direct injection during startup. Theoretical assumptions have been described as well as the programme of engine test bed and simulation research based on the previous results of tests in the low temperature test chamber. Differences taking place in the piston thermal loads have been discussed as well as their influence on an efficient startup at low ambient temperatures

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Kazim, Ali Hussain, Muhammad Bilal Khan, Rabia Nazir, Aqsa Shabbir, Muhammad Salman Abbasi, Hamza Abdul Rab und Nabeel Shahid Qureishi. „Effects of oxyhydrogen gas induction on the performance of a small-capacity diesel engine“. Science Progress 103, Nr. 2 (April 2020): 003685042092168. http://dx.doi.org/10.1177/0036850420921685.

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Compression ignition engines are one of the world’s largest consumers of fossil oil but have energy extraction efficiency limited to 35%. Addition of hydrogen alongside diesel fuel has been found to improve engine performance and efficiency; however, after a certain limit, hydrogen begins to show adverse effects, mainly because the ratio of oxygen to fuel decreases. This can be overcome by using oxyhydrogen, which is a mixture of hydrogen and oxygen gas. In this study, effects of addition of oxyhydrogen generated by electrolysis, with varying flows at the intake manifold, on a 315 cc compression ignition engine alongside diesel were analyzed. The engine was mounted on a Thepra test bed and torque measurements were taken at predetermined test points for diesel and 6 and 10 standard cubic feet per hour flowrates of oxyhydrogen. H10 showed the maximum improvement in engine performance equating to a 22.4% increase in both torque and power at 3000 r/min, and a 19.4% increase in efficiency at 2600 r/min was recorded. The large increase in engine performance as compared to previous results is because of high oxyhydrogen flowrate to displacement volume ratio. The oxyhydrogen flowrate to displacement ratio is the most important factor as it is directly impacts engine performance. The difference in engine performance because of oxyhydrogen becomes prominent at higher engine speed due to high suction pressure. No experimental flowrates of oxyhydrogen showed any adverse effect on the engine performance.

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Xiang, La, und Yu Ding. „Effects of Natural Gas Compositions on Engine In-Cylinder Process“. Advanced Materials Research 1092-1093 (März 2015): 498–503. http://dx.doi.org/10.4028/www.scientific.net/amr.1092-1093.498.

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Natural gas (NG) is one of the most promising alternative fuels of diesel and petrol because of its economics and environmental protection. Generally the NG engine share the similar structure profile with diesel or petrol engine but the combustion characteristics of NG is varied from the fuels, so the investigation of NG engine combustion process receive more attentions from the researchers. In this paper, a zero-dimensional model on the basis of Vibe function is built in the MATLAB/SIMULINK environment. The model provides the prediction of combustion process in natural gas engines, which has been verified by the experimental data in the NG test bed. Furthermore, the influence of NG composition on engine performance is investigated, in which the in-cylinder maximum pressure and temperature and mean indicated pressure are compared using different type NG. It is shown in the results that NG with higher composition of methane results in lower maximum temperature and mean indicated pressure as well as higher maximum pressure.

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Nwakaire, J. N., O. F. Obi, C. J. Ohagwu, C. C. Anyadike, I. E. Ugwu und J. U. Ifoh. „Engine performance of blends of palm kernel oil biodiesel under varying speed at constant torque“. Nigerian Journal of Technology 39, Nr. 3 (16.09.2020): 761–66. http://dx.doi.org/10.4314/njt.v39i3.15.

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This study conducts a comparative evaluation the effect of using palm kernel oil (PKO), pure petroleum diesel and their blends (B5, B10, B20, B30, B40, and B100), on the performance of a four-cylinder CI diesel engine (David Brown 990: 58hp; 2WD), at Farm Power and Machinery Test laboratory Centre (FPMTLC), Department of Agricultural and Bioresources Engineering, University of Nigeria, Nsukka. The objective of the study was to determine the fuel consumption rates, energy expended, brake specific fuel consumption, and brake thermal efficiency, under varying operating speeds (700 – 1900rpm) at constant torque. Each fuel test was conducted using the Heenan-Froude hydraulic dynamometer engine-test-bed; pure petroleum diesel (B0) was used to generate the baseline data. Variables calculated were analyzed, then compared with each other to determine the differences in the engine performance and also to determine the optimum test fuel. The results obtained show that B10 had the overall optimum energy output, fuel consumption rates, and brake specific fuel consumption of 5431.809J, 3.42E-07 m3/s, and 0.16569l/KWh, respectively at the highest engine speed of 1900. B10 had an excellent brake thermal efficiency of 60.6% but was not better than B100, which showed a higher value of 66.95%. From the analysis, B10 is the optimum test fuel and can be used as an alternative fuel in David Brown 990 (58hp; 2WD) or similar CI diesel engines without any engine modification, even though B100 showed potential as an alternative to fossil diesel. Biofuel production grows through integrated aquaculture and algae production; the algae oil will serve as a raw material for biofuel production Keywords: Blends, Biodiesel, Brake Specific Consumption, Diesel Engine, Fuel Consumption rate, Thermal Efficiency.

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Jamali, Q. B., M. T. Bhatti, Q. A. Qazi, B. H. Kaurejo, I. A. Qazi, S. H. Solangi und A. S. Jamali. „Analysis of CO2, CO, NO, NO2, and PM Particulates of a Diesel Engine Exhaust“. Engineering, Technology & Applied Science Research 9, Nr. 6 (01.12.2019): 4912–16. http://dx.doi.org/10.48084/etasr.3093.

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Exhaust emissions of a diesel engine are considered to be a substantial source of environmental pollution. Diesel engines are mainly used in vehicles and power generation. The usage of diesel engines is unavoidable as they give more power and performance, but at the same time, higher usage of diesel engines leads to increased air pollution, sound pollution, and emissions to the environment. Therefore, various attempts have been made to control the harmful emissions of engines. For this reason, different devices have been made such as catalytic convertors to overcome emission problems and purify the harmful gases. In order to meet these ends, a new system was designed that would contribute to controlling the air pollution of the engines. The system is also known as an aqua silencer, and its design is somehow different but still can be used as a silencer. The newly designed emission controller was installed in a test-bed diesel engine and a total of twenty experiments were conducted with and without the new emission controller at constant speed and at constant load. During these experiments, exhaust gases were analyzed with flue gas analyzers measuring CO2, CO, NO2, NO, and PM. The study concluded that the contaminants of diesel engine exhaust gases were) controlled by the developed emission controller.

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ROMANISZYN, Kazimierz. „The use of piston engine brake as related to the emission of selected exhaust gas components“. Combustion Engines 132, Nr. 1 (01.02.2008): 32–38. http://dx.doi.org/10.19206/ce-117281.

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The paper includes a brief description of the methodology of obtaining dynamic characteristics of four basic exhaust gas emissions: CO2, CO, HC and NOx based on combined data from road tests on the engine test beds NEDC and FTP-75. The characteristics developed through tests on a class C motor-car have been presented. The possible advantages thanks to the application of the dynamic characteristics developed have been indicated. The significant values of emission during engine braking have been pointed out. For a wider recognition of this area of dynamic characteristics, special chassis tests were carried out on the engine test bed, recording the emissions of the exhaust gas components listed in the modal system with 0.4 s rate in the test of full engine braking on III, IV and V gear. The results were summarized and assessed.

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Khairil, Teuku Meurah Indra Riayatsyah, Samsul Bahri, Sarwo Edhy Sofyan, Jalaluddin Jalaluddin, Fitranto Kusumo, Arridina Susan Silitonga, Yanti Padli, Muhammad Jihad und Abd Halim Shamsuddin. „Experimental Study on the Performance of an SI Engine Fueled by Waste Plastic Pyrolysis Oil–Gasoline Blends“. Energies 13, Nr. 16 (14.08.2020): 4196. http://dx.doi.org/10.3390/en13164196.

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Pyrolyzed waste plastic-based green fuel has been reported to be used as an alternate fuel for diesel engines. Some of the main challenges for implementing this in current automotive technology include evaluating engine performance, emission, noise vibration harshness (NVH), and knock characteristics of this fuel. This study focuses on the engine performance of poly-ethylene terephthalate (PET)-based waste plastic oil (WPO) at varying engine speed conditions. The pyrolysis of mixed-waste plastic was carried out at 300 °C in a fixed-bed reactor. Physicochemical properties such as viscosity, density, calorific value, sulfur, and research octane number (RON) of the plastic fuel and its blends with gasoline were analyzed using ASTM standard test methods. The WPO was blended with two different types of gasoline (RON88 and RON90) at 10, 20, and 30%, and was tested in a spark-ignition (SI) engine. The experimental results showed that different WPO–gasoline blends can be used in an SI engine without any engine modifications, and the performance indicators for different blends were found to be close to that of pure gasoline. The brake power and brake specific fuel consumption (BSFC) were found to be 4.1 kW and 0.309 kg/kW h, respectively. The 10% WPO and 90% RON90 blend produced optimal engine performance at 3500 rpm.

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Bruce, C. J., und R. A. Cartwright. „Marine Gas Turbine Evaluation and Research at the Admiralty Test House, RAE Pyestock“. Journal of Engineering for Gas Turbines and Power 114, Nr. 2 (01.04.1992): 169–73. http://dx.doi.org/10.1115/1.2906566.

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The Admiralty Test House (ATH) at the Royal Aerospace Establishment Pyestock has provided test bed facilities for evaluation of marine gas turbines and ancillary equipments for Royal Naval use since 1952. While the ATH is presently undergoing an extensive refurbishment program in preparation for trials of the Rolls-Royce 20MW Spey SM1C, research continues on a number of innovative gas turbine condition monitoring techniques. This paper presents a brief history of the Marine Gas Turbine Section and describes the facilities of the ATH following major refurbishment. The capabilities of the steady-state and transient data gathering facilities are outlined, together with the automated engine and test control systems, which provide cost-effective engine evaluation in both endurance and minor equipment trials.

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JAKLIŃSKI, Piotr, Mirosław WENDEKER, Jacek CZARNIGOWSKI, Mariusz DUK, Tomasz ZYSKA und Jakub KLIMKIEWICZ. „The comparison of the operating parameters in an aircraft radial piston engine fuelled by 100LL and ES95 gasoline“. Combustion Engines 136, Nr. 1 (01.02.2009): 52–59. http://dx.doi.org/10.19206/ce-117220.

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Small aviation develops very dynamically. This is a result of airplane general availability and their lower prices. At the same time, however, the maintenance costs of airplanes increases. It particularly concerns the operation cost where fuel is its substantial part. At the moment special 100LL gasoline is used to fuel aircraft piston engines. It is about 20% more expensive than ES95 gasoline of comparable properties. The paper shows the results of test-bed research conducted on the radial piston aircraft engine fuelled by aircraft 100LL gasoline and automotive ES95 gasoline. The object of research was ASz-62IR engine by WSK Kalisz fitted with an experimental fuel injection system. The power, fuel consumption and cylinder head temperatures were analysed in the selected typical operating points. The testing was carried out in a steady state. It was proven that it is possible to exchange (replace) fuels with no engine power loss with a miniscule increase of fuel consumption.

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Chen, De Min, Jin Hao Xu, Xiao Fei Shi und Yue Yin Ma. „Experimental Study on Torsional Vibration of Dual Mass Flywheel“. Advanced Materials Research 490-495 (März 2012): 2318–22. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.2318.

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To verify the damping effect of dual mass flywheel, the experiment is designed in use of power-transmission test-bed and rev-torque testing apparatus, and dual mass flywheel of DCT transmission system DQ250 is used to test its damping effect in the experiment. Kinds of conditions of car, like idle condition, run condition, climb condition, are simulated in experiment. The results show that different engine revs and loads, different damping effects of dual mass flywheel. The high engine rev and the more load, the better damping effect of dual mass flywheel.

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Dong, Guo Liang, Fu Jia Liu und Shu Quan Xu. „Study and Development on Report Automatic Creating System for Engine Performance Test-Bed Based on VBA“. Applied Mechanics and Materials 427-429 (September 2013): 2373–76. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.2373.

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Test reports given by test institution are mostly stylized text. Editing such text is a hard and odd work. A method is introduced to implement report automatically creating based on VBA and Words template technology, such as bookmark, ChartObject etc. The method used in our engine performance test-bed laboratory works well and reduces report editing time form half a day to half an hour.

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