with the collaboration of Iranian Society of Mechanical Engineers (ISME)
Design and Construction
Design, Fabrication and Evaluation of a Wet Cattle Manure Size Reduction Machine

J. Soleimani; M. H. Kianmehr; S. R. Hassan Beigi Bidgoli; S. M. Shariatmadari; K. Rezapoor

Volume 10, Issue 2 , 2020, , Pages 115-128

https://doi.org/10.22067/jam.v10i2.74480

Abstract
  Introduction The annually production of cattle manure is estimated around six million tons in Iran. Manure transportation with high moisture and low density recognized as crucial issue. The densification of dry or wet manure is the profound method for decreasing the manure volume which reduces the cost ...  Read More

The effect of acoustic system variables on sound signals of Melon varieties

F. Khoshnam; S. R. Hassan Beigi Bidgoli; M. Namjoo; M. Doroozi

Volume 7, Issue 1 , 2017, , Pages 126-139

https://doi.org/10.22067/jam.v7i1.44340

Abstract
  Introduction Cucumis melo includes a wide range of varieties. The acoustic is production, transmission and energy received form medium vibrations. Acoustic or sonic tests applies for grading productions, ripening determination of fruit firmness and sorting of broken eggs and so on in agriculture. Currently ...  Read More

Design and Construction
Design, development and test of the gearbox condition monitoring system using sound signal processing

M. Zamani; M. Aboonajmi; S. R. Hassan Beigi Bidgoli

Volume 6, Issue 2 , 2016, , Pages 322-335

https://doi.org/10.22067/jam.v6i2.47825

Abstract
  IntroductionOne of the ways used for minimizing the cost of maintenance and repairs of rotating industrial equipment is condition monitoring using acoustic analysis. One of the most important problems which always have been under consideration in industrial equipment application is confidence possibility. ...  Read More

Analysis of power tiller noise using diesel-biodiesel fuel blends

N. Keramat Siavash; Gh. Najafi; S. R. Hassan Beigi Bidgoli; B. Ghobadian

Volume 5, Issue 2 , 2015, , Pages 481-490

https://doi.org/10.22067/jam.v5i2.28534

Abstract
  Introduction: There are several sources of noise in an industrial and agriculture environment. Machines with rotating or reciprocating engines are sound-producing sources. Also, the audio signal can be analyzed to discover how well a machine operates. Diesel engines complex noise SPL and sound frequency ...  Read More