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164  Articles
1 of 17 pages  |  10  records  |  more records»
Roots blower is a positive displacement machine that has the advantage of a larger flow than conventional blowers. Roots blowers are widely used in industrial production such as chemicals, food, medical, etc. However, during actual operation, this type of... see more

In practice, the cost of a gearbox plays a very important role in the trade. Therefore, reducing the cost of gearboxes is an important task not only when manufacturing the gearboxes but also when designing them. In order to reduce the cost of a gearbox, t... see more

Pemanfaatan energi angin sebagai energi alternatif ramah lingkungan di Indonesia masih tergolong sedikit. Salah satu penyebab adalah karakteristik arah angin di Indonesia yang memiliki kecenderungan berubah-ubah dikarenakan letak geografis Indonesia. Maka... see more

Pada heat exchanger type shell and tube, selain pengunaan baffle yang bertujuan untuk mengarahkan aliran pada sisi shell juga bertujuan untuk meningkatkan laju perpindahan panas yang terjadi antara fluida kerja dengan cara menimbulkan olakan aliran di sis... see more

Energi potensial dan energi kinetik air merupakan salah satu bentuk energi terbarukan yang sangat potensial dan terus dikembangkan di Indonesia. Tenaga hidro (hydropower) adalah energi yang diperoleh dari air yang mengalir. Potensi energi yang dimiliki ai... see more

Installation of helical pile foundations in different formations and distances will provide different bearing capacities in peat soils. For this reason, a correction value to the bearing capacity of the pile group is required, which is stated with efficie... see more

A comparative thermal analysis of water and engine coolant oil in a helical coil tube and shell heat exchanger is performed. The experimental study is carried out in parallel and counter flow conditions with laminar flow of the fluids. Various factors lik... see more

Free convection heat transfer over the outer surface of helical coil condenser (HCC) and existing wire-on-tube condenser (WOTC) in air was experimentally studied under steady state condition. Two types of condenser are tested: helical coil condenser of di... see more

Introduction: Orthodontic treatment has clear positive effects on a patient’s physiological, functional, esthetic, psychological, and social health. However the most common and problematic sequel of orthodontic treatment is pain and discomfort.Objectives:... see more

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