ACHSYANI, RIZKY KURNIAWAN (2026) ANALISIS HEAD LOSS INSTALASI PERPIPAAN PADA CHILLED WATER SYSTEM DENGAN KAPASITAS MESIN CHILLER 20 TR. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
The piping system is a system for distributing the flow of fluid or particles from one place to another, where pipes are used as a closed medium to convey fluids and fittings function to control the direction and characteristics of the flow. One of the functions of the piping system is to transport water as a cooling medium in production machinery. Inside the pipes, fluid flow experiences energy losses due to friction along the pipes and at the fitting components, which is known as head loss. The objective of this Final Project is to determine the system head value in the existing chilled water system piping installation and to analyze its effect on the pump head capacity. The method for collecting data on flow conditions in the pipes is carried out using an ultrasonic flow meter, while the calculation of energy losses uses the Darcy–Weisbach equation. In addition, an analysis was conducted on friction factors, K-factor values for fittings, as well as pump characteristics to obtain a comprehensive picture of the system's performance. The results of the analysis are expected to serve as a basis for evaluating system performance and provide recommendations for improving operational efficiency in the chilled water system piping installation. The results obtained are a suction pipe flow rate of 64.9 l/m and a discharge pipe flow rate of 173.2 l/m, with suction pipe flow velocity of 0.5 m/s and discharge pipe flow velocity of 1.3345 m/s. This chilled water system is a closed flow type with turbulent characteristics because it has a Reynolds number > 4000. Major head loss due to friction along the pipe is 3.771 meters. Minor head loss due to valves and fittings is 1.1944 meters, with a total head loss of 4.965 meters. The head capacity of the pump used to overcome the system head is 9.02% of the head capacity of a pump of 55 meters, so the pump has been proven capable of overcoming the entire head of the chilled water piping system. Keywords: Piping System, Chilled Water System, Head loss, Pump Head Sistem perpipaan merupakan sistem distribusi aliran fluida atau partikel dari suatu tempat ke tempat lain, dimana pipa sebagai media tertutup digunakan untuk mengalirkan fluida dan fitting berfungsi untuk mengatur arah maupun karakteristik aliran. Salah satu fungsi sistem perpipaan adalah mengalirkan air sebagai media pendingin pada mesin produksi. Di dalam pipa, aliran fluida mengalami kerugian energi akibat gesekan sepanjang pipa maupun pada komponen fitting yang dikenal sebagai headloss. Tujuan Tugas Akhir ini adalah menentukan nilai head sistem pada instalasi perpipaan chilled water system existing serta menganalisis pengaruhnya terhadap kapasitas head pompa. Metode pengambilan data kondisi aliran dalam pipa dilakukan menggunakan ultrasonic flow meter, sedangkan perhitungan kerugian energi menggunakan persamaan Darcy–Weisbach. Selain itu, dilakukan analisis terhadap faktor gesek, nilai faktor K fitting, serta karakteristik pompa untuk memperoleh gambaran performa sistem secara menyeluruh. Hasil analisis diharapkan dapat menjadi dasar evaluasi kinerja sistem serta memberikan rekomendasi peningkatan efisiensi operasi pada instalasi perpipaan chilled water system. Hasil didapatkan yakni debit aliran pipa suction 64,9 l/m dan pipa discharge sebesar 173,2 l/m, kecepatan aliran pipa suction 0,5 m/s dan pipa discharge 1,3345 m/s. Chilled water sytem ini merupakan aliran tertutup dengan jenis turbulen karena memiliki hasil bilangan Reynold > 4000. Major head loss akibat gesekan sepanjang pipa sebesar 3,771 meter. Minor head loss akibat valve dan fitting sebesar 1,1944 meter, dengan nilai total head loss sebesar 4,965 meter. Kapasitas head pada pompa yang digunakan untuk mengatasi head sistem adalah 9,02% dari kapasitas head pada pompa sebesar 55 meter, sehingga pompa terbukti mampu mengatasi seluruh head sistem perpipaan chilled water system. Kata Kunci: Sistem Perpipaan, Chilled Water System, Head Loss, Head Pompa
| Item Type: | Thesis (S1) |
|---|---|
| NIM/NIDN Creators: | 41321110019 |
| Uncontrolled Keywords: | Sistem Perpipaan, Chilled Water System, Head Loss, Head Pompa |
| Subjects: | 000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 020 Library and Information Sciences/Perpustakaan dan Ilmu Informasi > 022 Administration of The Physical Plant/Administrasi dan Fisik Perpustakaan > 022.8 Heating, Ventilation, Air Conditioning/Pemanasan, Ventilasi, AC 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.8 Machine Engineering, Machinery/Teknik Mesin |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | khalimah |
| Date Deposited: | 16 Mar 2026 03:51 |
| Last Modified: | 16 Mar 2026 03:51 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/101671 |
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