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All Journal Prosiding Seminar Nasional Teknoka
Ahmad Faiz Rahmatullah
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Engineering

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Tinjauan Pustaka: Kinerja Kondensor terhadap Produksi Air Tawar pada Proses Desalinasi Air Laut Ahmad Faiz Rahmatullah; 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

The utilization of waste heat from air conditioning (AC) systems has the potential to serve as an alternative energy source for seawater desalination processes. However, the thermal efficiency of desalination systems is strongly influenced by the condensation stage, particularly by the shape and design of the condenser used. This review aims to examine and compare various condenser configurations such as shell and tube, coiled tube, plate, and finned condensers in the context of improving condensation efficiency and freshwater production. The study is conducted through a literature analysis that reviews key parameters such as heat transfer rate, coolant flow rate, and temperature differences between fluids. The review results show that shell and tube condensers provide the highest heat transfer effectiveness, while plate condensers offer better energy efficiency and ease of maintenance. In conclusion, selecting the appropriate condenser design can significantly enhance the efficiency of seawater desalination systems utilizing AC waste heat.
Rancang Bangun Robot Pelontar dan Penghadang Bola Sebagai Mesin Latih Permainan Bola Basket Berbasis Kendali Wireless Akhmad Rizal Dzikrillah; Dewa; Ahmad Faiz Rahmatullah; M. Ikhwan Tantowi; Fadhillah Al Ghifari; Muhammad Fadilah Rafli; Muhammad Fawwaz Majid Alamy
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

Basketball players need to train their ability to pass and catch the ball from teammates amid the defense of opposing players. With the use of robotic technology, which is now commonly applied in sports training and considered more stable and controllable than humans, athletes can further improve their performance. This study aims to design and develop a ball launching machine that can be used for passing the ball and has an additional capability to block incoming shots. The system uses a net as a blocker that can be raised and lowered to intercept the launched ball. High-torque and high-speed motors on the launching wheels allow the ball to be thrown up to a distance of 4.5 meters. By using a combination of four omniwheels, the machine is capable of moving with three degrees of freedom: forward–backward, turning right–left, and sliding right–left.
Co-Authors Akhmad Rizal Dzikrillah Dan Mugisidi dewa Fadhillah Al Ghifari M. Ikhwan Tantowi Muhammad Fadilah Rafli Muhammad Fawwaz Majid Alamy