Artikel dari Penerbit "Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung"

Ditemukan 198 artikel.


Analisis Uji Destructive Dan Non Destructive Terhadap Hasil Sambungan Las V-Tunggal Baja AISI 1045

Oleh: ., Nafrizal

This paper reports the result of study on the strength behaviour of welded joint both destructive and nondestructive testing. The parent metal choosen for the testing was AISI 1045 steel with main parameters of single-V welded form and horizontal welding position. The electrodes used for each parame...

Sumber: MECHANICAL; Vol. 2 No. 2 (2011)

Studi Perilaku Kegagalan Sambungan Las Tipe TConjunctions Pada Baja Karbon Rendah Dengan Pendekatan Experimen dan Numerik

Oleh: Badaruddin, Mohammad

This research is conducted to investigate failure behavior of welding structure in T-conjunctions type. Welding joint failures were analyzed by both experimental and finite element analysis (2D) approach in terms of stress intensity factor mode I (KI). The stress at the welding zone was strongly inf...

Sumber: MECHANICAL; Vol. 2 No. 2 (2011)

Analisis Prestasi Lampu Petromax Berbahan Bakar LPG

Oleh: Burhanuddin, Harmen

In order to decrease subsidy cost of kerosene consumption, Indonesian government right now proposes to convert kerosene to LPG. Consequently, the price of kerosene is expensive in society. LPG can be alternatively used as fuel for the petromax lamp. The use of LPG for the petromax lamp fuel is stron...

Sumber: MECHANICAL; Vol. 2 No. 2 (2011)

Analisis Fenomena Penampang Alir Vertical Axis Wind Turbine (VAWT) Tipe Heliks Terhadap Kecepatan Angin Sebagai Pembangkit Listrik Alternatif Berskala Rumah Tangga

Oleh: ., Martinus

Penelitian ini membahas fenomena (turbulensi angin dan penyebaran tekanan) pada penampang alir vertical axis wind turbine (VAWT) tipe helix terhadap kecepatan angin sebagai pembangkit listrik alternatif berskala rumah tangga. Tujuan penelitian ini adalah untuk mengetahui turbulensi aliran angin terh...

Sumber: MECHANICAL; Vol. 2 No. 2 (2011)

Pengaruh Posisi Terhadap Kekuatan Baut dan Gaya Geser Ditinjau dari Morfologi Fracture Surface pada Sambungan Plat

Oleh: Handra, Nofriady

Bolt extension as link which do not destroy connective by component at process unload tide used many in so many industrial area like at bridge construction, building construction and various appliance of engine tool. Usage of amount 3 (bolt fruit three) at 5 (standard hole five) at one particular ex...

Sumber: MECHANICAL; Vol. 2 No. 2 (2011)

STUDI EKSPERIMENTAL TENTANG PENGARUH VARIASI RAPAT ARUS PADA HARD CHROME ELECTROPLATING TERHADAP KARAKTERISTIK PERMUKAAN BAJA KARBON RENDAH

Oleh: Supriadi, Harnowo

The objective of the research is to investigate the effect of  hard chrome electroplating on low carbon steel surface characteristic. This experimental research used low carbon steel as  material  that has been coated by hard chrome electroplating,  chromium powder, and Pb alloy as cathode.  Th...

Sumber: MECHANICAL; Vol. 1 No. 1 (2010)

Investigasi Sifat Mekanik Material Komposit Yang Terbuat Dari Pemanfaatan Limbah Batubara Dengan Matrik Resin Poliester Tak Jenuh

Oleh: ., Zulhanif

Limbah batubara yang dihasilkan oleh sisa pembakaran di industri yang menggunakan boiler belum termanfaatkan secara maksimal untuk menjadi bahan yang lebih bernilai ekonomi, Pada saat ini ada beberapa industri semen yang memanfaatkan hasil lebih batubara sebagai campuran semen yang dikenal dengan is...

Sumber: MECHANICAL; Vol. 1 No. 1 (2010)

Review Dan Analisa Karakteristik Dan Penyebab Kerusakan Sudu Turbin Gas

Oleh: Risano, Yudi Eka

The present study concerns the review and the analysis of malfunctions characteristic and the reasons of moving blade damage. Such malfunctions are breakage of moving blade in excessive temperature conditions, increasing vibration, little cyclic weariness from frequent heat exchange at start-up and ...

Sumber: MECHANICAL; Vol. 1 No. 1 (2010)

Pengaruh Sudut Kontak Statis terhadap Penyebaran Droplet di Atas Permukaan Padat yang Dipanaskan pada Bilangan Weber Menengah

Oleh: Susila, M. Dyan

The influence of static contact angle on the spreading of droplet on a heated solid surface has been studied experimentally. Static contact angle was important parameter which influenced the impact behavior and heat transfer during the interaction of droplet and solid surface. Droplet substance was ...

Sumber: MECHANICAL; Vol. 1 No. 1 (2010)

Reduksi Bising Motor Diesel Menggunakan Partial Enclosure

Oleh: Suudi, Ahmad

Noise is one of the environmental problems that we must concern on it, not just it can produce  healthy problems, but it can reduce working productivity too. This research is  aimed to reduce noise produced by diesel engine in the laboratory of motor combustion engine.The experiment was conducted ...

Sumber: MECHANICAL; Vol. 1 No. 1 (2010)