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All Journal Jurnal Teknik Industri LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Jurnal Rekayasa Mesin
Mangesa, Daud Pulo
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Variabel yang Berpengaruh terhadap Pengembangan Industri Kecil Mangesa, Daud Pulo
Jurnal Teknik Industri Vol 8, No 1 (2007): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (316.563 KB) | DOI: 10.22219/JTIUMM.Vol8.No1.80-87

Abstract

Corporate world and businessmen face the open challenge since free market of ASEAN 2003 and free market of ASIA 2020 take-place. It claim corporate world and businessmen to improving their competitiveness in order to become best and strongest. Since Indonesia faced multidimensi crisis in 1997, the economics of Indonesia is not convalesce fully. The most impact felt is workers retired, especially at big scale company, but it didn't happen at small scale company because small industry has important role to take care of growth dynamics and extension of society economics. The target of this research were: 1) To know any kind of variables that induce the development of small industry of traditional cloth weave in Raba Dompu Sub-Province of Bima, and (2) To know which variable that giving biggest influence to development of it. This Research is a survey research and use Quisioner. Goals population in this research is all entrepreneur weave traditional cloth in Raba Dompu Sub-Province of Bima. It counted 96 people. There 9 variables in this research, that are: independent variable (free variable) include: raw material (X1), labour (X2), machine (X3), capital (X4), product (X5). price (X6), distribution channel (X7), promotion (X8) and emulation intensity (X9). While dependent variable (Y) is industry development. Result of Test Validity and Reliabilitas indicated that all variable (27 variables) is valid and reliable. They can become an input for factor analysis. From these factor, writer get 9 new variable (factor), they were: 1) economic Age of machine, 2) weave cloth brand, 3) employees office hours, 4) amenity market cloth, 5) time for processing raw material, 6) mount emulation of price with competitor, 7) amenity get working capital, 8) duration acceptance of raw material and 9) yielded weave product. Base to the Doubled Linear regression Analysis, we can know that ninth of the factor have an effect to development of small industry of cloth weave of tradisioanl in Raba Dompu Sub-Province of Bima. And level of influence of these factors are equal to 75,4%, while the rest (24,6%) is explained by other factor which do not packed into the model.
Rancang Bangun Alat Pencampur Pakan Ikan Dengan Mekanisme Sistem Gerak Rotary Menggunakan Metode VDI 2221 salem, arianto; mangesa, daud pulo; Maliwemu, Erich
LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Vol 9 No 01 (2022): April 2022
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/ljtmu.v9i01.7441

Abstract

Along with the development of science and technology, this is what supports making a fish feed mixing machine. The main goal in creating this technological innovation is so that the results obtained are more effective, efficient and of high quality. The manufacture of this tool has gone through several processes of theoretical calculation of the forces that occur when the machine is working, the selection of component materials, and the process of working on then assembling the components of the machine, testing the performance of the machine according to the design with animal feed materials. In this design, the mechanical system of the fish feed mixing machine the source of the rotation is a gear motor that moves the belt and pulley which is directly connected to the reduser which then moves the Mixing shaft with chains and sprockets as an introduction. Keywords : Fish Meal, Bone Meal, Shrimp. Mixing Machine,VDI Method 2221.
Pengaruh Debit Aliran Air terhadap Efektivitas Pendinginan Evaporatif dengan Cooling Pad Berbahan Sabut Kelapa dan Tapis Lontar Kana, Dwiyati Putri; Jasron, Jahirwan Ut; Mangesa, Daud Pulo
Jurnal Rekayasa Mesin Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i1.5739

Abstract

Krisis energi dan perubahan iklim meningkatkan konsumsi energi untuk pemanasan, pendinginan, dan ventilasi, dengan sektor ini menyumbang 33% dari konsumsi energi global. Pendinginan udara mencapai 60% dari permintaan listrik musim panas, sehingga konservasi energi penting. Sistem pendinginan evaporatif dengan cooling pad berbahan sabut kelapa dan tapis lontar menjadi solusi yang efektif. Tujuan penelitian ini adalah untuk menganalisis pengaruh variasi debit aliran air pada cooling pad berbahan sabut kelapa dan tapis lontar terhadap efektivitas pendinginan evaporatif. Penelitian ini dilakukan secara eksperimen pada ruang pendingin evaporatif dengan dimensi 2,44 m x 1,22 m x 1,22 m dengan merubah jenis bahan cooling pad dan variasi debit aliran air 5 lpm, 7 lpm, dan 9 lpm. Berdasarkan hasil penelitian variasi debit aliran air memiliki pengaruh terhadap efektivitas pendinginan evaporatif menggunakan cooling pad berbahan sabut kelapa dan tapis lontar. Peningkatan debit air dari 5 lpm hingga 9 lpm menghasilkan penurunan temperatur yang lebih besar di ruang pendingin, terutama di ruang 1 yang dekat cooling pad, dan meningkatkan kelembaban relatif di ruang pendingin. Cooling pad sabut kelapa menunjukkan penurunan temperatur awal di ruang satu dekat cooling pad , sementara tapis lontar memberikan distribusi pendinginan yang lebih merata dan konsisten di ruang 1 maupun ruang 2 yang lebih jauh dari cooling pad sehingga tapis lontar menjadi bahan cooling pad yang memiliki performa yang lebih baik dibandingkan sabut kelapa.
Co-Authors Erich Maliwemu, Erich Jahirwan Ut Jasron Kana, Dwiyati Putri salem, arianto