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All Journal STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin
M Asrofi
Universitas Jember

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Journal : STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin

 1 
analisis pengaruh jumlah sudu terhadap unjuk kerja blower sentrifugal type back ward dengan honeycomb dan tanpa honeycom Achmad 'Ima Duddin; Digdo Listyadi Setyawan; Santoso Mulyadi; Imam Sholahudin; Ahmad Adib Rosyadi; M Asrofi
STATOR: Jurnal Ilmiah Teknik Mesin Vol 5 No 2 (2022): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

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Abstract

Centrifugal blowers are machines or tools that are used to increase gas pressure or suction with a final pressure not exceeding 2000 Pa. The impeller blade is the most important part of the centrifugal blower which influences the performance of the blower. The rotation of the electric motor that is connected directly to the impeller is something that can affect the performance of the blower. Honeycomb is a component that is used to obtain fluid flow that is in the same direction, uniform, and stable. This study observed the effect of the number of blades on the performance of backward type centrifugal blowers using honeycomb and without the honeycomb. Variations used are the number of blades 13 and 15 using honeycomb and without the honeycomb. Tests were carried out at 400 rpm, 500 rpm, 600 rpm, and 700 rpm. From the results of the study, it was found that the fewer the number of blades, the higher the performance of the blower. Giving honeycomb at the output blower produces a more fluid or even fluid flow. In blade 15 the data distribution value is closer to the average value indicated by a smaller standard deviation value. This is due to the design of the blade impeller between the blades more tightly so that the air produced will be more tightly or evenly distributed, but has a lower wind speed.
PENGARUH LAJU TEMPERATUR SOLIDIFIKASI TERHADAP KRISTALINITAS NANO SENG OKSIDA DENGAN METODE SIMULASI MOLEKULAR DINAMIK Novel Bagas Satrio Wibowo; Sumarji .; Rahma Rei Sakura; Dedi Dwilaksana; Robertoes Koekoeh KW; Hary Sutjahjono; M Asrofi
STATOR: Jurnal Ilmiah Teknik Mesin Vol 6 No 1 (2023): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

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Abstract

The presence of nano technology has an important role in utilizing a material, considering the use of nanotechnology in Indonesia has been applied in various fields, in the formation of nano zinc oxide (ZnO) there is a solidification process where this process is the final stage in ZnO nano formation. In the dynamic molecular simulation method, the nano ZnO solidification process will be observed with variations in the solidification temperature rates of 1010K/s, 1011K/s, 1012K/s, using LAMMPS software (Large-scale atomic / molecular massively parallel simulators) and OVITO as Help software from the results of the simulation process and VESTA-JP Minerals. From the simulation results, it can be concluded that the greater the solid temperature rate value the lower the nano ZnO crystallinity will be (amorphous).
Co-Authors Achmad 'Ima Duddin Ahmad Adib Rosyadi Dedi Dwilaksana Digdo Listyadi, Digdo Hary Sutjahjono, Hary Imam Sholahudin Novel Bagas Satrio Wibowo Rahma Rei Sakura Robertoes Koekoeh KW Santoso Mulyadi Sumarji