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| THPP003 |
Cooling of High Pressure Insulating Gas for 3 MeV DC Accelerator: an Alternate Approach |
electron, controls, high-voltage, resonance |
839 |
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- S.R. Ghodke, S. Acharya, R. Barnwal, K.P. Dixit, L.M. Gantayet, B.S. Israel, D. Jayaprakash, K. Mahender, K.C. Mittal, S. Nayak, R.N. Rajan, D.K. Sharma, V. Sharma, S.K. Suneet, D.P. Suryaprakash
BARC, Mumbai, India
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3 MeV Accelerator Project working inside the ‘Electron Beam Centre’ (EBC) building at Kharghar, Navi Mumbai. Generally in DC and Pelletron accelerators Nitrogen/SF6 gas is taken out from accelerator tank and it is cooled by separate heat exchanger and blower unit outside the accelerator tank. In our alternate approach we have designed fan/ blower to work under high pressure inside accelerator tank. Fans are designed to work in high pressure SF6 environment at 7 bar absolute pressure with 42 kg/m3 SF6 gas density. Fan throughs air over radiator type finned tube heat exchanger, installed inside accelerator tank. Fan speeds are controlled through variable frequency drive. Two numbers of such assemblies are fabricated, installed and tested in Nitrogen and SF6 gas environment at different pressure and variable fan speed. Performances are recorded and plotted in graphical form. These cooling systems are shown excellent performance in last five years. Paper will discuss about design of cooling system, cooling calculation of fan, fabrication of fan and heat exchanger, 5 TR chiller unit, variable frequency drive, fan performance etc.
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Poster THPP003 [1.644 MB]
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