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ANALYSIS OF PRESSURE LOSS IN CHANNEL EXPERIMENTAL FACILITY

Kiswanta, KW and Sudarno, SD (2017) ANALYSIS OF PRESSURE LOSS IN CHANNEL EXPERIMENTAL FACILITY. THE CONDENSING STEAM TURBINE CASE STUDY FOR A 10 MWth EXPERIMENTAL POWER REACTOR. pp. 83-90. ISSN ISSN: 2355-7524

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Abstract

ABSTRACT ANALYSIS OF PRESSURE LOSS IN CHANNEL EXPERIMENTAL FACILITY. Channel Experiment Facility (ExNal) is an experimentation facility that can be used to simulate the flow rate of coolant to the research reactor. ExNal can be used to understand the potential occurrence of vibration in the fuel plate. Potential vibration is necessary to know due to vibration can accelerate materials fatique and ultimately could lead to material damage such as cracked fuel and even rupture. From previous research facilities have not been able to achieve the critical speed of 18.062 m/s. The purpose of this study is to analyze the loss of pressure that occurs in parts ExNal. That methodology of research done by calculating the pressure loss through the approach of critical velocity coolant flow that can be known pump efficiency at the ExNal facility. The result showed 0.64 bar of total loss pressure and 64% of pump efficiency. Therefore, parameters such as fluid velocity, flow rate and pressure has not approached the expected results, the capacity of the pump must be improved. Keywords: experimental channel, the pressure loss, pump efficiency, critical speed, vibration ABSTRAK ANALISIS KERUGIAN TEKANAN PADA FASILITAS EKSPERIMEN KANAL. Fasilitas Eksperimen Kanal (ExNal) adalah sebuah fasilitas eskperimen yang dapat digunakan untuk mensimulasikan kecepatan aliran pendingin pada reaktor riset. ExNal mampu digunakan untuk memahami potensi terjadinya vibrasi pada pelat bahan bakar. Potensi vibrasi ini perlu diketahui karena vibrasi dapat mempercepat kelelahan material dan akhirnya akan dapat memicu terjadinya kerusakan material bahan bakar seperti retak dan bahkan pecah. Dari penelitian sebelumnya fasilitas ini belum mampu mencapai kecepatan kritis sebesar 18,062 m/s. Tujuan dari penelitian ini adalah menganalisis rugi-rugi tekanan yang terjadi pada bagian-bagian ExNal. Metodologi penelitian dilakukan dengan perhitungan kerugian tekanan melalui pendekatan kecepatan kritis aliran pendingin sehingga dapat diketahui efisiensi pompa pada fasilitas ExNal. Dari hasil penelitian diperoleh kerugian tekanan total sebesar 0,64 bar dan efisiensi pompa sebesar 64%. Oleh karena parameter-parameter seperti kecepatan fluida, debit aliran dan tekanan belum mendekati hasil yang diharapkan,maka kapasitas pompa harus ditingkatkan. Kata kunci : eksperimen kanal, rugi tekanan, efisiensi pompa, kecepatan kritis, vibrasi

Item Type: Article
Subjects: Keselamatan dan Keamanan Nuklir
Divisions: Pusat Teknologi dan Keselamatan Reaktor Nuklir
Depositing User: USER PTKRN BATAN
Date Deposited: 08 May 2018 01:51
Last Modified: 08 May 2018 01:51
URI: http://repo-nkm.batan.go.id/id/eprint/1124

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