...Shoji Takada; Kenji Abe; Yoshiyuki Inagaki The high temperature isolation valve (HTIV) is a key component to assure the safety of a high temperature gas cooled reactor connected with a hydrogen production system for protections of radioactive material release from the reactor to the hydrogen...

...Meng-Jen Wang; Jinn-Jer Peir; Chen-Wei Chi; Jenq-Horng Liang In this study, the multiplication factor and neutron spectrum behaviors were investigated against the moderator-to-fuel ratio, the fuel loading height, and the detector location in high-temperature gas-cooled reactor (HTR)-10. The MCNP5...

...Zheng Yanhua; Shi Lei Reactivity accident due to inadvertent withdrawal of the control rod is one kind of the design basis accident for high temperature gas-cooled reactors, which should be analyzed carefully in order to validate the reactor inherent safety properties. Based on the preliminary...

...Gyeongho Kim; Dong Ok Kim; Woo-Seok Choi; Ji Ho Kang; Jae Man Noh Graphite blocks are important core components of the high temperature gas-cooled reactor. As these blocks are simply stacked in array, collisions among neighboring components may occur during earthquakes or accidents. Thus...

... for the dispersed gas-cooled fast reactor fuel). Near-future plans for the further development of FAST are outlined. 17 07 2009 20 07 2009 08 07 2010 08 07 2010 gas cooled reactors liquid metal fast breeder reactors nuclear engineering computing transient analysis The fast...

... was 0.033 s (sampling frequency: 30 Hz). 27 07 2009 03 08 2009 06 07 2010 06 07 2010 gas cooled reactors sodium stratified flow vortices In order to establish an advanced nuclear fuel cycle system centered around a fast reactor, a feasibility study on the fast...

... for typical deployment within a 10 km radius well field. 11 11 2008 22 11 2008 22 01 2010 22 01 2010 air pollution control fuel processing industries gas cooled reactors heavy water reactors natural gas technology nuclear power oil technology power generation economics...

...Chang H. Oh; Eung S. Kim; Mike Patterson The next generation nuclear plant (NGNP), a very high temperature gas-cooled reactor (VHTR) concept, will provide the first demonstration of a closed-loop Brayton cycle at a commercial scale, producing a few hundred megawatts of power in the form...

... element analysis gas cooled reactors heat transfer This paper presents a model developed for determining fuel compact, fuel block, and coolant temperatures in normal operation and fault conditions based on multiscale modeling techniques. Fuel particle temperatures can be obtained using...

... for generic high-temperature gas-cooled reactor (HTGR) designs, such as those proposed to be candidates for the next generation nuclear plant (NGNP). This PIRT exercise identified the phenomena, quantified their importance, and reviewed the current state of knowledge associated with the heat transfer...

...Yasuyoshi Kato Three systems have been proposed for advanced high-temperature gas-cooled reactors: a supercritical carbon dioxide ( S-CO 2 ) gas turbine power conversion system, a new microchannel heat exchanger (MCHE), and a once-through-then-out (OTTO) refueling scheme with burnable poison (BP...

...Jae-Young Lee; Sa-Ya Lee The flow visualization in the complicated flow geometry of the pebble bed of the high temperature gas-cooled reactor is investigated to identify the stagnation points at which internal hot spots are expected. A particle image velocimetry method was employed to visualize...

... Gas Cooled Reactor Technology , IAEA , Vienna , pp. 19 – 68 . Takada , S. , Takizuka , T. et al. , 2003 , “ The 1/3-Scale Aerodynamics Performance Test of Helium Compressor for GTHTR300 Turbo Machine of JAERI (STEP1) ,” ICONE11 , Tokyo, Japan, Apr. 20–23. Eff t...