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All Journal JMBA (Jurnal Manajemen dan Bisnis asmi) JURNAL REKAYASA KIMIA & LINGKUNGAN
Hendra Ferdiansyah
Department of Mechanical Engineering, Syiah Kuala University
Chemical Engineering, Chemistry & Bioengineering Energy Engineering Social Sciences

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Analisis pengaruh pelayanan jasa crewing terhadap kepuasan perwira kapal zamil offshore pada PT. madiccah jaya Ferdiansyah, Hendra; -, Rudianto
JMBA Jurnal Manajemen dan Bisnis Vol 4 No 2 (2018): SEPTEMBER 2018
Publisher : Institut Bisnis dan Multimedia asmi

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Tujuan penelitian ini untuk mengetahui Pengaruh Pelayanan Jasa Crewing Terhadap Kepuasan Perwira Kapal pada PT Madiccah Jaya.Indikator variable pelayanan yaitu bukti fisik, keandalan, daya tanggap, jaminan, dan empati, sedangkan indicator variable kepuasan adalah kinerja perusahan dan harapan.Dari hasil analisis koefisien korelasi diketahui bahwa hubungan antara pelayanan jasa crewing dengan kepuasan perwira kapal yang cukup kuat. Dan nilai koefisien determinan menunjukan bahwa pelayanan jasa crewing memberikan konstribusi kepuasan perwira kapal sebesar 21,4% sedangkan sisanya sebesar 78,6% oleh variabel lain. Nilai Konstanta untuk kepuasan perwira kapal sebesar 4.733 dan nilai Keofisien pelayanan jasa crewing sebesar 0,257; artinya jika pelayanan mengalami kenaikan 1 satuan maka kepuasan perwira kapal akan mengalami peningkatan sebesar 0,257. Kesimpulan penelitian ini, di ketahui bahwa adanya pengaruh pelayanan jasa crewing terhadap kepuasan perwira kapal.
Influence of Water-jet Nozzle Geometry on Cutting Ability of Soft Material Irwansyah, Irwansyah; Ibrahim, Masri; Ferdiansyah, Hendra
Jurnal Rekayasa Kimia & Lingkungan Vol 9, No 1 (2012): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Hygiene is main reason for food processor to use waterjet cutting system. Traditionally food cutting process is low-quality, unsafe products, procedures and direct contact between product and labor. This paper introduced a low cost waterjet system for cutting soft material as identic food material. The low cost waterjet system has been developed by using a commercial pressure pump for cleaning purposes and modified nozzle. In order to enhance waterjet pressure for cutting products, a modified waterjet nozzle was designed. Paramater design of waterjet system was setup on nozzle orifice diameter 0.5 mm, standoff distance 15 mm, length of nozzle cylindrical tube 2.5 mm. Polycarbonate, polysterene, and polyethelene materials are used as sample product with thickness 2 mm, to represent similar properties with agriculture products. The experimental results indicate good possibilities of waterjet system to cut material in appropriate profile surface. The waterjet also can be used to improve cutting finished surface of food products. Therefore, utilizing a low cost commercial pump and modified nozzle for waterjet system reduces equipment price, operational cost and environmental hazards. It indicates viable technology applied to substitute traditional cutting technology in post harvest agriculture products.Keywords: cutting ability, modified nozzle, polymer material, water-jet system
Co-Authors -, Rudianto Irwansyah Irwansyah Masri Ibrahim