Ahmad Syuhri

Ahmad Syuhri
Universitas Jember · Department of Mechanical Engineering

About

8
Publications
1,808
Reads
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13
Citations
Citations since 2017
6 Research Items
13 Citations
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2017201820192020202120222023012345
2017201820192020202120222023012345

Publications

Publications (8)
Article
Full-text available
Pemanas air energi surya merupakan suatu sistem pemanas air dengan cara kerja menyerap energi radiasi matahari yang kemudian diubah menjadi energi panas dan ditransfer menuju fluida kerja melalui pipa air. Pemanas air ini dibagi menjadi dua yaitu pemanas air kolektor tabung dan pemanas air kolektor plat datar. Dilakukan penelitian dengan menambahka...
Article
Full-text available
Steam pre-treatment has been examined to sugarcane bagasse fibers (BF). Steam pressure plays an important role in the fibrillation process that is capable in dissolving fibers up to micron scale. Values of fiber diameter with steam pre-treatment (BFP) significantly decreased by 57%. Decrease of the size of fiber can increase the active area of bond...
Article
Full-text available
A threshing drum in a power thresher has a main function for separating seeds from stems via threshing teeth. This part undergoes with high exposure of vibrations, which has a greater chance to work improperly and experiences a fatigue failure that can reduce the efficiency. The main objective of this paper is to obtain vibration characteristics of...
Article
Vacuum Assisted Resin Transfer Molding merupakan salah satu metode pembuatan produk dimana resin sebagai matriks dihisap dengan tekanan vacuum didalam cetakan dengan bagging trasparan. Produk dari hasil Vacuum Assisted Resin Transfer Molding lebih tipis, permukan rata, ketebalan sama dan padat dibandingkan dengan metode Hand Lay Up namun membutuhka...
Article
Full-text available
This paper presents dynamics analysis of a regenerative shock absorber using a linkage mechanism as motion transmission developed from a valid kinematics analysis. The main objective of this study is to obtain force and energy regeneration properties, which is followed by regeneration efficiency. Physical based models are adopted from the structura...
Article
This paper presents kinematics analysis of a leg mechanism for converting linear motion into rotary motion to be used as a Regenerative Shock Absorber (RSA). The kinematics analysis determines the positions, the velocities and the accelerations when a leg mechanism is subjected to a linearly reciprocating motion. The main objectives of this paper a...
Article
Full-text available
Since racing vehicle has greater risk of injury and vehicle damage than any others urban vehicle, this paper presents the design, modeling, and performance study of a racing electric vehicle. Using lumped parameter model (LPM) as analytical approach, the development model using hydraulic crash damper is used to absorb or to dissipate kinetic energy...

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