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All Journal Journal of Politic and Government Studies Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Industrial and Systems Engineering Assessment Journal (INASEA) KURVA S JURNAL MAHASISWA Tajdida JHP17 (Jurnal Hasil Penelitian) Jurnal Rekayasa Mesin Jurnal Sains & Teknologi Modifikasi Cuaca Mekanika : Jurnal Teknik Mesin PROSIDING KOMUNIKASI ISOQUANT : Jurnal Ekonomi, Manajemen dan Akuntansi Jurnal Komunikasi Profesional Jurnal Biomedika dan Kesehatan
Edi Santoso
UNSOED Purwokerto
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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PENERAPAN METODE SQC (STATISTICAL QUALITY CONTROL) UNTUK PENINGKATAN KUALITAS PROSES ASSEMBLY SIDM DI PT IEIPENERAPAN METODE SQC (STATISTICAL QUALITY CONTROL) UNTUK PENINGKATAN KUALITAS PROSES ASSEMBLY SIDM DI PT IEI Santoso, Edi; Fitri, Friyenti
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 11, No 2 (2010): INASEA Vol. 11 No. 2
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

To determine the cause of frequent occurrence of defects required data processing using seven basic tools such as p control chart because the data is attribute data, pareto diagram to see part of the most dominant defect and cause-effect diagram to analyze the causes of disability. From the data processing done for the p control chart produced some printer models appear to be in a state of statistical control. And there are some models that are not in the condition of statistical control as evidenced by the release of some data in the chart control chart p. Pareto diagram can be known from experience that the greatest disability of all models are board games and housing assy lower. While the cause-effect diagrams that most contribute to the causes defect fail part is the part or parts of disability by itself. By looking at the data processing and analysis can be known that the defect that often happens is bad or defective component functions. And to improve the quality of SIDM assembly process in PT. Indonesia EPSON Industry needs to be improved by applying methods of SQC (Statistical Quality Control).
ANALISIS PENETAPAN STRATEGI PENINGKATAN TINGKAT KOMPONEN DALAM NEGERI (TKDN) PADA INDUSTRI MANUFAKTUR DI INDONESIA: STUDI KASUS PADA KOMPONEN KOPLING Hartono, Gunawarman; Santoso, Edi
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 14, No 1 (2013): INASEA Vol. 14 No. 1
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

The development of the manufacturing industry in a country indicates the development of the national industry. The development can be evaluated by both product quality and performance of the industry as a whole. In enhancing the competitiveness of local products, the government attempted to improve the industrys ability to produce a quality product or component. This research was conducted to determine how domestic manufacturing companies have increased their use of domestic components in producing their products. Results of the determination of the value of the domestic component level (DCL) showed that the company manufacturing clutch uses a lot of local components in the country. This is possible because when setting the value of DCL, the human resources involved in the production provided very much contribution.
MINIMASI DOWNTIME TOOL PUNCH MESIN HEADING PADA PREVENTIVE MAINTENANCE DENGAN METODE AGE REPLACEMENT Santoso, Edi; Chairul, Edwin Julianto
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 8, No 2 (2007): INASEA Vol. 08 No.2
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

Production machines can be a barrier for the on time product availability. If there is no time consideration of the usage of production machines or less in maintenance, the machines will not be used in product processing. In the case of tool punch Heading machine in which the machine need to maintain in the right period of time using Age Replacement method. This method can help management to determine the period in inspection and preventive maintenance. Based on time period, preventive maintenance that was done can be decrease downtime, increase machines availability and reliability.
PERANCANGAN SISTEM INFORMASI MANUFAKTUR DI LABORATORIUM PLASTIK INJEKSI POLITEKNIK MANUFAKTUR ASTRA Fonda Arifianto, Mada Jimmy; Santoso, Edi
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 5, No 1 (2004): INASEA Vol. 05 No. 1
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

Article presents manufacture information system design in Astra manufacture institute injection plastic laboratory. In manufacture process, the working productivity is increase to lowered the costs. Information system on manufacture process needs to defined more detail and specific so the information can be access transparantly and the miss use of information did not happen. Manufacture information system can support the whole production process to produce high quality product, precise, and with low costs.
ANALISA PENGARUH PANJANG PIPA INLET DAN PANJANG PEGAS KATUB BUANG TERHADAP PERFORMANCE POMPA HIDRAM Santoso, Edi; Utomo, Gatut Priyo; Martini, Ninik
JHP17 (Jurnal Hasil Penelitian) Vol 1 No 01 (2016)
Publisher : Lembaga Penelitian Dan Pengabdian Kepada Masyarakat Universitas 17 Agustus 1945 Surabaya

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Abstract

Hidram pump is one of the water pumps are energy efficient andenvironmentally friendly. Pump hidram an effective technology in the field ofenergy pumping by using the momentum of the water (water hammer) to raisethe water, so the pump hidram one water pump that does not use fuel andelectricity. Effectiveness hidram pump performance is affected by severalparameters such as the diameter of the pipe, reservoir height, exhaust valve, theair tube on hidram pump, inlet pipe length. This study aimed to observe andanalyze the effect on the length of the inlet pipe to the pump hidram highdischarge pumps and pumping. This research method through the design of thepump installation hidram and observation influence the inlet pipe length (6 m, 8m, 10 m), and the observation of the effect of the length of the exhaust valvespring (7 cm, 8 cm, 10 cm) to the pressure value (H) and the value of discharge(Q) to the pump performance hidram. The test is performed in ProductionProcess Laboratory August 17, 1945 University of Surabaya. The longer thepipe, the flow in the pump inlet hidram (Q) generated will be even greater. So inthe above study also directly proportional to the value of head (H) anddischarge rate (Q) on the pump performance hidram. So the value of theexisting pressure in the pump hidram with maximum value is generated headwith value - average (H) 1.41 bar and the discharge of water produced with -average (Q) 21 liters / min. This is because the moment of greatest impact onthe water valve.Keywords: Pump Hidram
PARAMETERIZATION OF SURFACE MOMENTUM FLUX DURING CONVECTIVE CONDITIONS Santoso, Edi
Jurnal Sains & Teknologi Modifikasi Cuaca Vol 1, No 1 (2000): June 2000
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (133.479 KB) | DOI: 10.29122/jstmc.v1i1.2103

Abstract

Parameterization of surface momentum flux estimates near-surface turbulent momentum fluxes from differences of mean wind speeds between the surface skin and the mid-mixed layer (ML). The rate of this turbulent transport is proportional to the product of a convective velocity times an empirical transport coefficient. To further investigate parameterization of surface momentum flux, some topics are discussed. New data from three different sites within Boundary Layer Experiment - 1996 (BLX96) are presented, and used to evaluate surface momentum flux parameterization. Old data from three other field programs (BLX83, Koorin, and TOGA-COARE) are re-analyzed to test this parameterization. Evidence from virtually all of these experiments indicates that the empirical transport coefficients for momentum fluxes depend on surface roughness.Fluks momentum turbulen dekat permukaan dapat diestimasi dari selisih antara kecepatan angin di batas permukaan (surface skin) dan di bagian tengah lapisan tercampur (mid-mixed layer). Kecepatan dari transpor turbulen ini sebanding dengan perkalian antara koefisien empiris transpor dengan kecepatan konvektif. Untuk pengamatan lebih lanjut akan didiskusikan beberapa hal. Data baru dari hasil pengukuran BLX96 pada 3 lokasi yang berbeda akan digunakan untuk mengevaluasi parameterisasi ini. Sementara data yang diperoleh dari yang pernah dilakukan sebelumnya (BLX83, Koorin, and TOGA-COARE) digunakan untuk menguji hasil parameterisasi ini. Hasil yang diperoleh mengindikasikan bahwa koefisien empiris transpor untuk fluks momentum tergantung pada kekasaran permukaan (surface roughness).
SURFACE FLUX – WIND PROFILE RELATIONSHIP IN CONVECTIVE CONDIT IONS: A NEW RESULT Santoso, Edi
Jurnal Sains & Teknologi Modifikasi Cuaca Vol 2, No 1 (2001): June 2001
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.58 KB) | DOI: 10.29122/jstmc.v2i1.2145

Abstract

A new improved flux – profile relationship for winds in convective conditions isconstructed from convective transport theory and radix layer theory. Data from theMinnesota field experiment are used to recalibrate the new parameterization andsimilarity equation, and data from BLX96 are used to determine whether radix layerwind profile depends on surface conditions such as roughness. The results arecompared against independent data collected during the Koorin field campaign. Theflux-profile relationship for wind speed is dependent on a wide-range of scales ofterrain roughness. First the ML transport coefficient for momentum flux C* D dependson small-scale roughness elements as affect the aerodynamic roughness length zo .Second, shape parameter D M depends on resolvable-scale topographic variations asaffect the standard deviation of terrain elevation σz . Such dependence over the widerange of scales should be expected because the radix layer profile equations weredesigned and calibrated as the average over a heterogeneous region, rather thanbeing for one column over a single land use.Sebuah persamaan baru keterkaitan antara fluks dan profil untuk angin pada kondisikonvektif dibangun dari teori transpor konvektif dan teori lapisan radix. Data darieksperimen lapangan di Minnesota digunakan untuk kalibrasi ulang. Data eksperimenlapangan BLX96 digunakan untuk menguji kebergantungan profil angin pada kondisipermukaan. Data ekperimen lapangan di Koorin digunakan untuk pembanding.Persamaan keterkaitan antara fluks dan profil untuk angin bergantung pada berbagaiskala kekasaran permukaan. Pertama, koefisien transpor untuk fluks momentumbergantung pada elemen kekasaran permukaan skala kecil. Kedua, parameter bentukprofil bergantung pada variasi berskala topografi. Kebergantung pada berbagai skalaseperti ini adalah konsekuensi logis dari persamaan profil di lapisan radix yangdidesain dan dikalibrasi menggunakan eksperimental data yang mengakomodasipengaruh berbagai skala.
EVIDENCE OF COUNTER-DIFFERENCE SURFACE HEAT FLUXES AND ITS HYPOTHESES Santoso, Edi
Jurnal Sains & Teknologi Modifikasi Cuaca Vol 2, No 1 (2001): June 2001
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (143.502 KB) | DOI: 10.29122/jstmc.v2i1.2150

Abstract

Parameterization of surface heat flux estimates near-surface turbulent heat fluxes fromdifferences of potential temperature between the surface skin and the mid-mixed layer(ML). The rate of this turbulent transport is proportional to the product of a convectivevelocity times an empirical transport coefficient. New data from three different siteswithin Boundary Layer Experiment - 1996 (BLX96) are used to evaluate surface heatflux parameterization. Old data from six other field programs (BLX83, Koorin, FIFE,Monsoon 90, HAPEX-MOBILHY, and TOGA-COARE) are re-analyzed to test thisparameterization. Evidence from virtually all of these experiments indicates that theempirical transport coefficient for heat fluxes ( C* H ) does not depend on surfaceroughness. Positive turbulent heat fluxes are observed to exist near the bottom of theML even when there is zero potential temperature difference ( ∆θ =0) between thesurface skin and the mid-ML. Evidence suggests that positive heat fluxes could alsooccur when the surface skin has a slightly colder potential temperature than the mid-ML, implying a flux that is opposite or counter to the potential-temperature difference.Such counter-difference fluxes could be explained by an infrared radiative transferfrom the surface skin, or by non-equilibrium conditions during rapidly-changinginsolation near sunset.Fluks panas turbulen dekat permukaan dapat diestimasi dari selisih antara suhupotensial di batas permukaan (surface skin) dan di bagian tengah lapisan tercampur(mid-mixed layer). Kecepatan dari transpor turbulen ini sebanding dengan perkalianantara koefisien empiris transpor dengan kecepatan konvektif. Data baru dari hasilpengukuran BLX96 pada 3 lokasi yang berbeda akan digunakan untuk mengevaluasiparameterisasi ini. Sementara data yang diperoleh dari yang pernah dilakukansebelumnya (BLX83, Koorin, FIFE, Monsoon 90, HAPEX-MOBILHY, and TOGA-COARE) digunakan untuk menguji hasil parameterisasi ini. Hasil yang diperolehmengindikasikan bahwa koefisien empiris transpor untuk fluks panas tidak tergantungpada kekasaran permukaan (surface roughness). Bukti juga menunjukkan bahwafluks panas positif dapat terjadi ketika suhu potensial di surface skin sama atau sedikitlebih dingin daripada di mid-mixed layer. Kejadian seperti ini, disebut counter-difference fluxes, dapat dijelaskan dengan tranfer radiasi infra merah dari surface skinatau dengan kondisi ketidaksetimbangan perubahan secara cepat insolasi saatmendekati matahari terbenam.
ANALISA PENGARUH ELECTROLESS PLATING ABU DASAR BATU BARA SEBAGAI PENGUAT KOMPOSIT MATRIKS LOGAM TERHADAP PRODUK REAKSI YANG TERBENTUK PADA PERMUKAAN ABU DASAR BATUBARA santoso, edi; Seputro, Harjo; Himawan, Eka Puji
JHP17 (Jurnal Hasil Penelitian) Vol 1 No 02 (2016)
Publisher : Lembaga Penelitian Dan Pengabdian Kepada Masyarakat Universitas 17 Agustus 1945 Surabaya

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Abstract

An electroless plating process that does not use electric current in the coating process. Coatings that occurs due to the reaction of reduction and oxidation of [ermukaan objects, thus forming a layer of metal derived from the metal salt. Because it does not use an electric current in the electron exchange coating process happens more slowly. The purpose of this study is to see the reaction products formed on the surface of coal bottom ash results electroless plating which is affected by variations in the weight of aluminum and temperature oxidation by testing the SEM-EDX. Results of SEM-EDX will be the reaction products formed by using statistical software version PCPDF WIN 2:01. From the test results SEM-EDX with magnesium weight variation and temperature variation affects the oxidation Wt%-forming elements in it but does not affect the elements formed where for all specimens produce similar reactions, namely Aluminium Silicate Al2SiO5.Keywords: Composites, electroless plating, the reaction products formed
ANALISA PENGARUH VARIASI MEDIA PENDINGIN DAN WAKTU AGING PADA PERLAKUAN PANAS T6 TERHADAP STRUKTUR MIKRO KOMPOSIT ALUMINIUM ABU DASAR BATUBARA Susanto, Juli; Seputro, Harjo; Santoso, Edi
JHP17 (Jurnal Hasil Penelitian) Vol 1 No 02 (2016)
Publisher : Lembaga Penelitian Dan Pengabdian Kepada Masyarakat Universitas 17 Agustus 1945 Surabaya

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Abstract

 Aluminium is a metal which has a mild nature, corrosion resistance, and electrical conductors that are used as matiks. Bottom ash coal used for reinforcement which is useful for producing aluminum composite with excellent mechanical properties and low cost. Besides the mechanical properties of aluminum can be enhanced by the addition of alloying elements (alloying) and the heat treatment process (heat tretment). The purpose of research is a comparative changes in microstructure before and after T6 heat treatment. This research will look at the changes in the microstructure of aluminum composite bottom ash coal that have undergone a process of T6 heat treatment that includes, (solid solution) is done at a temperature of 540 °C with a holding time of 6 hours, (quenching) with media cooling water, salt water (brine), oil, and (aging) with aging time of 2 hours, 4 hours, and 6 hours at a temperature of 180 °C From the results of tests performed on the aluminum composite material coal bottom ash, before and after T6 heat treatment process shows that. Granules greatest average diameter of the grain is shown by the media granules with salt water cooling 6-hour holding time for 165,3pm, and the smallest is 95,58pm with water cooling media holding time 6 hours, while aluminum composite granules of coal bottom ash without treatment equal to 158.4 pmKeywords: aluminum, coal bottom ash, heat treatment, quenching, aging, microstructure
Co-Authors ., Sujiono Achmad Taufiq Al Farisyi, Salman Anwar, Ea Kosman Edwin Julianto Chairul Faizin Aswanto, Muhammad Friyenti Fitri Gatut Priyo Utomo, Gatut Priyo Gunawarman Hartono Harjo Seputro, Harjo Himawan, Eka Puji Ismail Ismail Mada Jimmy Fonda Arifianto Mastuki Maula Nafi Moh. Nor Ali Aziz Mufti, Mohammad Ninik Martini Purnamawati Tjhin, Purnamawati Rigi Santoso, Achmad Rohman, Fatehur Rusnaldy Rusnaldy Saputra, Gemilang Bayu Ragil Setiawan, Nurdin Hadi Simanungkalit, RDM. solehah, binti Sukristiyonubowo Sukristiyonubowo Susanto, Juli Yohanis Lundji Kadumbani Zainun Ahmad, Zainun