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MEKANIKA – Jurnal Teknik Mesin Fakultas Teknik, Universitas 17 Agustus 1945 Surabaya Jalan Semolowaru No. 45, Surabaya 60118 Telepon: (031) 5931800 Negara: Indonesia
Location
Kota surabaya,
Jawa timur
INDONESIA
MEKANIKA - JURNAL TEKNIK MESIN
Published by Universitas 17 Agustus 1945 Surabaya
ISSN : 24603384     EISSN : 26863693     DOI : belum tersedia
Core Subject : Science, Engineering,
Energy Engineering Mechanical Engineering
MEKANIKA – Jurnal Teknik Mesin adalah jurnal ilmiah yang diterbitkan oleh Fakultas Teknik, Universitas 17 Agustus 1945 Surabaya. Jurnal ini bertujuan untuk mewadahi hasil-hasil penelitian, studi eksperimen, kajian analitis, maupun pengembangan teknologi di bidang keteknikan, khususnya teknik mesin. Ruang lingkup jurnal meliputi termodinamika, perpindahan panas, sistem pendingin dan tata udara (HVAC), energi terbarukan, konversi energi, mekanika fluida, desain mesin, manufaktur, sistem kontrol mekanik, dan otomasi teknik.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
 1 
Search results for , issue "Vol 3 No 01 (2017): July" : 5 Documents clear
ANALISA PENGARUH PUTARAN DAN PENAMBAHAN KARET PENGUPAS BAWANG TERHADAP KAPASITAS DAN KUALITAS PRODUKSI Priyo Utomo, Gatut; Ardiansyah, M. Aka; Adi W, Purna
MEKANIKA: Jurnal Teknik Mesin Vol 3 No 01 (2017): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

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Abstract

Onion (Allium Ascalonicum L) is one of horticultural crops commodities consumed by humansas a mixture of spices after chilli. In addition to the mixture of red onion seasoning is also soldin the form of processed extract of onion, powder, essential oil, fried onions even as ingredientsto reduce cholesterol, blood sugar, prevent blood clots. The development of science andtechnology, has provided a very rapid change in all aspects of human life, especiallyappropriate technology such as machinery that is very supportive to facilitate production inhome industry. The purpose of research on onion peeler machine to be achieved is To knowthe effect of rotation and addition of peeler rubber to the capacity and production quality.Variations were made using different speeds of 100 rpm, 150 rpm, 200 rpm, and peeler rubber2, 4, 8. From the observations on rpm variations and the addition of rubber peeler, the greaterthe rotation and the more peelers rubber affect the production quality. The best result of thetest is using rubber 4 at 150 rpm is 12,9 Kg / h from observation got good peeler result thatslough onion peel almost completely peeled and on onion peeler not too thick.
ANALISA PENGARUH PENAMBAHAN UNSUR Cu DAN VARIASI TEMPERATUR PELEBURAN TERHADAP SIFAT MEKANIK KEPALA PISTON Achmad, Zainun; Setiawan, Sony
MEKANIKA: Jurnal Teknik Mesin Vol 3 No 01 (2017): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

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Abstract

This study aims to determine the effect of adding Cu elements and variations in meltingtemperature to mechanical properties on the piston head.From this research used as main material that is used piston head melted into furnace withvariation of melting temperature such as 680 oC, 700 oC, and 720 oC and will be combinedwith Cu alloy with variation of 2%, 4%, and 6%. There will be further impact testing andmicrostructure testing.From the research, it can be concluded that on impact test at 680 oC, 700 oC, and 720 oCmelting temperature and addition of Cu 2%, 4%, and 6%. Experiencing increased energyabsorbed and impact price of raw material. While at 720⁰C temperature combined with Cu6% of energy absorbed by 2.28 joules and for the impact price is 0.036 Joule / mm2. Moreresilient than other material impact prices. Each addition of melting temperature andaddition of Cu elements produce impact and energy values absorbed differently. And themore the impact price is high, the fracture of the specimen becomes resilient as well as viceversa, if the impact price is low the fracture of the specimen becomes brittle. As for theresults of microstructure testing performed, each addition of Cu elements and meltingtemperature resulted in different microstructures and each addition of Cu elements willproduce a new phase that is CuAl2 which in this phase can cause the material becomestougher than raw material.
ANALISA PENGARUH MACAM MACAM FLUIDA DAN VARIASI KIPAS TERHADAP EFEKTIFITAS PENYERAPAN PANAS PADA MOTOR BENSIN 135CC Sulistyono, Djoko; Nuansa Gusti, Aris
MEKANIKA: Jurnal Teknik Mesin Vol 3 No 01 (2017): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

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Abstract

Radiator cooling system is by using a liquid fluid as a heat exchanger. How to work theradiator with ducted heat released by the motor is then absorbed by the fluid in the radiatorcoolant. the fan on the radiator is typically only the size of the already terstandart. Little bigfan sizes affect the performance of the radiator. This research was conducted with the aim ofanalyzing the influence of a range of different kinds of fluid in the radiator and the fanagainst variations in the effectiveness of absorption of heat radiator. In the study conducted acomparative test of the effectiveness of heat-absorption fluid 100% variation between RCPower coolant, RC Megacools 100% and 50% coolant Power RC + 50% RC Megacools witheach variation of the fan, the fan is standard, large, single fan and double fan on everyvariation of the fluid. Based on the results of observation and data analysis in fluid 100% RCPower coolant obtained value effectiveness 0.512 on fan standard. On the variation of singlelarge fan of 0.528, and variations of the double fan of 0.539. Then it can be inferred that thelarger the fan is used, then the ride also value their effectiveness. This is because the largerthe fan to make the air more and more collisions so that accelerate the process of absorptionof the heat from the radiator. Whereas in fluid, variations on the variations of the double fanwith fluid 100% RC Megacools obtained the value of effectiveness of 0.477. On the fluid 50%+ 50% Megacools RC RC Power coolant fluid and in 0.502 100% RC Power coolant of0.539. Then it can be inferred that the fluid with 100% Power RC cooant is the best fluidvalues effectiveness due to fluid 100% RC has a higher boiling point than in other variationsof the fluid.
PENGARUH CELAH FIN, SUDUT KEMIRINGAN FIN DAN CELAH SUDU TERHADAP KINERJA TURBIN ANGIN SAVONIUS TYPE V Kastiawan, I Made; Gofur, Abdul; Catur Pamungkas, Angga; Budianto, Aries
MEKANIKA: Jurnal Teknik Mesin Vol 3 No 01 (2017): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

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Abstract

This article is the result of research on wind turbine savonius type V. In thisresearch designed 4 blade type V which has angle 110 ÌŠ. This windmill analyzes the effect offin gaps, fin angle and blade slits. This windmill is designed by analyzing the lowest wind byutilizing the wind speed of passing vehicles on the road. The results of the study showed that5 mm fin breaks, a1 blade slits, b1 (5mm, 2.5mm) and fin angle of 30 ÌŠ can improve goodperformance. These results are evidenced by a maximum rotation speed of 96.7 Rpm and amaximum force of 1.4 N.
ANALISA STRUKTUR MIKRO TERHADAP PADUAN AL-CU HYPOEUTEKTIK Wahid, Ichlas; Rohman Sayuti, Abdur
MEKANIKA: Jurnal Teknik Mesin Vol 3 No 01 (2017): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

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Abstract

This study analyzes the temperature of casting and mold temperature which must have aneffect on the existing structure of the material. The hypoutectic Al-Cu is an aluminum andcopper alloy with an eutectic phase which has the advantage of melting and pouring(especially around the eutectic region) at a temperature of 548 ° C. Aluminum is one of thereactive metal which is easily oxidized with oxygen to form a layer of aluminum oxide,alumina (Al2O3) which can make it good corrosion resistant. However, if the levels of Fe, Cuand Ni are added can reduce the corrosion-resistant properties because the alumina contentdecreases. Copper can form the correct eutectic with aluminum at levels of 33%. Copperalloys (Al / Cu) containing 10-20% Al indicate exceptional strength, for hardness and wear,adjusting of some steel alloys. By using gravity casting method permanent mold will be easilydismantled pairs. The material composition is 3.375 gram aluminum and 1,125 gram ofcopper. The pouring temperature used was 600 ° C, 650 ° C, and 700 ° C while the moldtemperature used was room temperature, 100 ° C, and 200 ° C. The specimen is divided intoA ', B, and A' codes at the time of cutting using lathe and freis. Pouring temperature andmold temperature will affect the microstructure formed. The higher the pouring temperature,the clearer the structure will be, visible at the pouring temperature of 700 ° C. And thesmaller the mold temperature the rougher the shape of the structure, the outward appearanceis apparent, and it can be said that a dendrite structure is formed. Codefication B is the coreor midpoint of the mold is the farthest point of the cooling rate process, the structure formedin the B-code is clear, thick and coincident.

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