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All Journal Prosiding Seminar Nasional Teknoka
Ahmad Ahdani
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Engineering

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Rancang Bangun Robot Pemungut dan Pelontar Bola sebagai Sarana Pendukung Pelatihan Atlet Penjaga Gawang Permainan Futsal Akhmad Rizal Dzikrillah; Ahmad Ahdani; Qolibu Rozak Al-Tain; Muhammad Faishal
Prosiding Seminar Nasional Teknoka Vol 9 (2024): Proceeding of TEKNOKA National Seminar - 9
Publisher : Fakultas Teknik, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/teknoka.v9i1.17521

Abstract

Goalkeepers need to practice their abilities in protecting the goal. Coaches often use ball throwing machines to train goalkeepers because the machine's throwing power tends to be stable and more controllable than humans. The current ball throwing machine still requires human assistance to pick up the ball from the floor, making the machine still very dependent on humans in picking up the ball. This research aims to design a ball throwing machine that has the additional capability of being able to pick up the ball from the floor and then throw it into the goal. By using rotating rubber cylinders, futsal balls that are on the ground can be picked up by the machine and then pushed to the throwing wheel. The torque and high rpm motor on the throwing wheel is capable of throwing the ball up to a distance of 4 meters. By using a combination of 4 omni wheels, a ball throwing machine can be built that is capable of moving with 3 degrees of freedom, namely forward-backward, turning right-left, and sliding right-left.
Review Laju Penguapan Air Laut pada Kolam Garam Tertutup Ahmad Ahdani; Dan Mugisidi
Prosiding Seminar Nasional Teknoka Vol 10 (2025): Proceeding of TEKNOKA National Seminar - 10
Publisher : Fakultas Teknik, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta

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Abstract

Evaporation is the process of changing liquid into vapor due to differences in vapor pressure or increased heat energy. This process is important because it forms the basis for the transfer of energy and mass from the water surface to the atmosphere and plays a role in various applications such as desalination, salt production, agriculture, liquid waste treatment, natural cooling systems, and climate studies. This study aims to determine the parameters that influence the evaporation process of seawater in a closed salt pond system based on a literature review. The methodology used is a literature study of various studies discussing the factors that influence the rate of seawater evaporation. The parameters reviewed include water and air temperature, humidity, air velocity, pressure, and radiation intensity. The review results show that temperature and radiation intensity increase the evaporation rate, while humidity and high pressure decrease it. This study provides a basis for the development of efficient and sustainable closed salt ponds.
Co-Authors Akhmad Rizal Dzikrillah Dan Mugisidi Muhammad Faishal Qolibu Rozak Al-Tain