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Kota yogyakarta,
Daerah istimewa yogyakarta
INDONESIA
Jurnal Mekanika dan Sistem Termal
Published by Universitas Janabadra
ISSN : 25273841     EISSN : 25274910     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Mekanika dan Sistem Termal (JMST) adalah jurnal terbuka yang berisikan hasil-hasil penelitian ilmiah. Jurnal ini bertujuan untuk mempermudah penyebaran informasi ilmiah yang berkualitas secara cepat di seluruh tanah air. Jurnal Mekanika dan Sistem Termal (JMST) terbit 3 kali dalam setahun.Secara berkala JMST terbit setiap bulan April, Agustus, dan Desember.
Arjuna Subject : -
Articles 2 Documents
 1 
Search results for , issue "Vol 2, No 2: AGUSTUS 2017" : 2 Documents clear
Analisis Tingkat Kebisingan Knalpot Sepeda Motor Produk Industri Kecil Eko Subandono; Sukoco Sukoco; Mochamad Syamsiro
Jurnal Mekanika dan Sistem Termal Vol 2, No 2: AGUSTUS 2017
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.583 KB)

Abstract

Automotive industry is one of the promising sector which is growing very fast recently. One of the important automotive component products is exhaust muffler. The present work aims to experimentally study the noise level generated from the racing type of muffler produced from small and medium industry compared with the standard type from the original products. The noise level measurement of motorcycle muffler has been conducted with several parameters including muffler types, glasswool filling, and silencers. The results showed that the increase in engine speed increased the noise generated from motorcycle muffler. Furthermore, the results also showed that the muffler noise level of racing type muffler is much higher than those of the standard muffler noise level. The highest noise level is obtained by HRP muffler, while the lowest is Tegal muffler. Glasswool filling in the muffler reduced the noise level for all four types of racing type mufler. Full glasswool filling can reduce the noise level significantly. The number and dimension of the silencer in the muffler have the prominent effect on the noise level. The increae of hole number in the silencer will be able to reduce the noise level.
Rancang Bangun dan Penerapan Mesin Ayakan Gula Semut di Kabupaten Kulonprogo, Daerah Istimewa Yogyakarta Mochamad Syamsiro; Nurwiyanta Nurwiyanta; Erni Umi Hasanah; Muhammad Luk Marsakti; Al Muafi Sandono
Jurnal Mekanika dan Sistem Termal Vol 2, No 2: AGUSTUS 2017
Publisher : Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.416 KB)

Abstract

Gula Semut is a sugar made from palm nectar or also called Neera that has gone through several processes before it is ready in a form that convenience for us to consume. This study aims to design and fabricate the vibrating sieve machine to separate gula semut (cristalized sugar) based on particle size. The machine has a capacity of 50 kg/h depending on the raw material. The machine consists of several main parts such as siever, electric motor, vibrating spring, balancer and frame. Simple calculation has been conducted to meet the capacity of the machine. The machine was made of food grade stainless steel to prevent contamination in gula semut due to corrosion. A preliminary experiment has been carried out to evaluate the performance of the machine including adjusting the balancer position. Finally, the machine will increase the productivity of gula semut industry in Kulonprogo District.

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