Ring wear monitoring in IC engines: an acoustic emission approach

Haq, A. Noorul; Tamizharasan, T.

doi:10.1007/s00170-005-0280-x

Cited by 6 publications

(4 citation statements)

References 7 publications

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“…Ini bermaksud peningkatan kelikatan akan menyebabkan peningkatan tahap lekatnya dan sebaliknya. Ini sebenar disebabkan kadar alir minyak pelincir tersebut yang berbeza mengikut tahap kelikatannya [21,22]. Kembali kepada keterangan di atas, kawasan bawah kambi semasa omboh berada di kedudukan pusat mati atas ianya merupakan kawasan semburan minyak pelincir [20] yang terhasil semasa pergerakan omboh dari pusat mati bawah ke pusat mati atas.…”

Section: �� 0 Keputusan Dan Perbincangan 4�� 1 Kepu�u��nunclassified

Penentuan Kedudukan Penderia Pancaran Akustik Pada Enjin Diesel Untuk Pemonitoran Kelikatan Minyak Pelincir

Inayatullah¹,

Nor²,

Jamaluddin³

et al. 2012

Jurnal Teknologi

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Kajian ini bertujuan mengenal pasti kedudukan penderia pancaran akustik yang paling baik dalam pemonitoran kelikatan minyak pelincir dengan menggunakan blok enjin diesel sebagai model kajian. Setiap isyarat yang dirambat akan diterjemahkan ke dalam isyarat domain masa dan jelmaan fourier pantas. Tumpuan parameter kajian adalah nilai tenaga pancaran akustik. Hasil kajian ini pula menunjukkan bahawa nilai parameter berbeza pada setiap kedudukan penderia yang disebabkan oleh jarak penderia dari sumber tenaga pancaran akustik dengan nilai faktor k yang malar. Hasil kajian menunjukkan kedudukan penderia yang paling baik untuk pemonitoran kelikatan minyak pelincir pada enjin adalah di bahagian bawah, iaitu pada penghujung skrit omboh semasa omboh berada di pusat mati bawah. Ini menunjukkan bahawa jarak penderia dari pusat sumber isyarat mempengaruhi nilai tenaga pancaran akustik. Kata kunci: Tenaga pancaran akustik; kelikatan minyak pelincir; faktor k; kedudukan penderia This works aim to characterize the better sensor location in lubrication viscosity monitoring using diesel block as a media. The entire signal propagation was analysis by time domain and Fast Fourier Transform. The acoustic emission energy is the important parameter in this study. The result shows that for different parameter sensor location, a different parameter value is obtained because of the distance between sensor location and acoustic emission energy source with constant k factor. From the result, the best sensor location for monitoring lubrication viscosity in engine is at the end of the piston skirt when the piston is at under bottom dead center. The influence of acoustic emission energy is the length of the sensor located is considered. Key words: Acoustic emission energy; lubrication viscosity; k factor; sensor location

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Section: �� 0 Keputusan Dan Perbincangan 4�� 1 Kepu�u��nunclassified

Penentuan Kedudukan Penderia Pancaran Akustik Pada Enjin Diesel Untuk Pemonitoran Kelikatan Minyak Pelincir

Inayatullah¹,

Nor²,

Jamaluddin³

et al. 2012

Jurnal Teknologi

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“…Therefore, according to the combined precedence graph Fig. 1(c), we can obtain one feasible sequence chromosome (1,3,2,5,4,6,8,7,9) as shown in Table 1. Similarly, such feasible sequence chromosomes can be obtained until the total number is equal to the population size.…”

Section: Initializationmentioning

confidence: 99%

“…In general, a mixed-model assembly line balancing problem (MMALB-P) can be described as follows: given k models, a set of tasks associated with each model, different processing time for each task depending on the models and a set of precedence relations for each model, which specifies the orderings of the tasks [3]. The basic technique for solving MMALB-P involves assigning various tasks to workstations along the assembly line without violating the precedence relations, and normally the objective is to minimize the cycle time and make the station times as proximity as possible.…”

Section: Introductionmentioning

confidence: 99%

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The Improved Genetic Algorithm for Balancing Mixed-Model Assembly Line

Tang

Liang

2011

AMM

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Mixed-model assembly lines are become more and more important by producing different models of the same product on an assembly line. Aiming at the existing mixed-model assembly line balancing problem, first, two important objective functions for minimizing cycle time and workload variance were provided, and mathematical models were established. Furthermore, in order to obtain the optimal or near optimal solutions, an improved genetic algorithm was proposed with combined precedence graph. Finally, the experiment results illustrate the feasibility and validity of the proposed improved genetic algorithm.

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Experimental Measurement and Theoretical Modeling of Internal Combustion Engine Valve Leakage by Acoustic Emission Method

Mehdigholi

Behzad

2014

Lecture Notes in Mechanical Engineering

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Ring wear monitoring in IC engines: an acoustic emission approach

Cited by 6 publications

References 7 publications

Penentuan Kedudukan Penderia Pancaran Akustik Pada Enjin Diesel Untuk Pemonitoran Kelikatan Minyak Pelincir

Penentuan Kedudukan Penderia Pancaran Akustik Pada Enjin Diesel Untuk Pemonitoran Kelikatan Minyak Pelincir

The Improved Genetic Algorithm for Balancing Mixed-Model Assembly Line

Experimental Measurement and Theoretical Modeling of Internal Combustion Engine Valve Leakage by Acoustic Emission Method

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