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Studies Of Fast Reactor Fuel Element Behavior Under Transient Heating To Failure Iii In Pile Experiments On Irradiated Uosub 2 Fuel Pins In The Absence Of Coolant
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Book Synopsis STUDIES OF FAST REACTOR FUEL ELEMENT BEHAVIOR UNDER TRANSIENT HEATING TO FAILURE. III. IN-PILE EXPERIMENTS ON IRRADIATED UO$sub 2$ FUEL PINS IN THE ABSENCE OF COOLANT. by :
Download or read book STUDIES OF FAST REACTOR FUEL ELEMENT BEHAVIOR UNDER TRANSIENT HEATING TO FAILURE. III. IN-PILE EXPERIMENTS ON IRRADIATED UO$sub 2$ FUEL PINS IN THE ABSENCE OF COOLANT. written by and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Fast Reactor Fuel Element Behavior Under Transient Heating to Failure by : R. R. Stewart
Download or read book Studies of Fast Reactor Fuel Element Behavior Under Transient Heating to Failure written by R. R. Stewart and published by . This book was released on 1969 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Fast Reactor Fuel Element Behavior Under Transient Heating to Failure by : C. E Dickerman
Download or read book Studies of Fast Reactor Fuel Element Behavior Under Transient Heating to Failure written by C. E Dickerman and published by . This book was released on 1961 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meltdown tests on single metallic un-irradiated fuel elements in TREAT are described. The fuel elements (EBRII, Mark I fuel pins, EBR-II fuel pins with refractory Nb or Ta cladding, and Fermi-1 fuel pins) are tested in an inert atmosphere, with no coolant. The fuel elements are exposed to reactor power bursts of 200 msec to 25 sec duration, under conditions simulating fast reactor operations. For these tests, the type of power burst, the integrated power, the fuel enrichment, the maximum cladding temperature, and the effects of the test on the fuel element are recorded.
Book Synopsis Studies of Fast Reactor Fuel Element Behavior Under Transient Heating to Failure by : C. E Dickerman
Download or read book Studies of Fast Reactor Fuel Element Behavior Under Transient Heating to Failure written by C. E Dickerman and published by . This book was released on 1964 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The in-pile experimental survey reported here is one undertaken on uranium dioxide fuel samples as an extension of previous tests in the Transient Reactor Test Facility (TREAT) on metallic, fast-reactor fuel samples. Oxide test specimens were pseudo-EBR-II elements that were clad with EBR-II cladding thickness, of EBR-II fuel length, and thermally bonded to cladding with inert gas (rather than sodium). Samples were exposed to transient power bursts of the order of 0.5-sec. duration, in the absence of coolant, with production of heating rates up to the order of 4000 degrees C/sec. Radial temperature profiles in the fuel during power bursts were estimated to be comparatively uniform. Cladding temperature lagged behind the fuel temperature, thermal equilibrium between fuel and clad being reached about 2 sec. after the peak of the power pulse. Sample cooling was predominantly by thermal radiation.
Book Synopsis STUDIES OF FAST REACTOR FUEL ELEMENT BEHAVIOR UNDER TRANSIENT HEATING TO FAILURE. II. INPILE EXPERIMENTS ON UO2 SAMPLES IN THE ABSENCE OF COOLANT. by :
Download or read book STUDIES OF FAST REACTOR FUEL ELEMENT BEHAVIOR UNDER TRANSIENT HEATING TO FAILURE. II. INPILE EXPERIMENTS ON UO2 SAMPLES IN THE ABSENCE OF COOLANT. written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Studies of Transient Effects in Fast Reactor Fuels by : J. H. Field
Download or read book Experimental Studies of Transient Effects in Fast Reactor Fuels written by J. H. Field and published by . This book was released on 1962 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental program to evaluate the performance of FCR and EFCR fuel during transient operation is outlined, and the initial series of tests are described in some detail. Test results from five experiments in the TREAT reactor, using 1-in. OD SS-clad UO2 fuel specimens, are compared with regard to fuel temperatures, mechanical integrity, and post-irradiation appearance. Incipient fuel pin failure limits for transients are identified with maximum fuel temperatures in the range of 7000 deg F. Multiple transient damage to the cladding is likely for transients above the melting point of the fuel.
Book Synopsis An Assessment of LWR Fuel-failure Propagation Potential by : August W. Cronenberg
Download or read book An Assessment of LWR Fuel-failure Propagation Potential written by August W. Cronenberg and published by . This book was released on 1980 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance of Fast Reactor Mixed-oxide Fuels Pins During Extended Overpower Transients by :
Download or read book Performance of Fast Reactor Mixed-oxide Fuels Pins During Extended Overpower Transients written by and published by . This book was released on 1991 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Operational Reliability Testing (ORT) program, a collaborative effort between the US Department of Energy and the Power Reactor and Nuclear Fuel Development Corp. (PNC) of Japan, was initiated in 1982 to investigate the behavior of mixed-oxide fuel pin under various slow-ramp transient and duty-cycle conditions. In the first phase of the program, a series of four extended overpower transient tests, with severity sufficient to challenge the pin cladding integrity, was conducted. The objectives of the designated TOPI-1A through -1D tests were to establish the cladding breaching threshold and mechanisms, and investigate the thermal and mechanical effects of the transient on pin behavior. The tests were conducted in EBR-2, a normally steady-state reactor. The modes of transient operation in EBR-2 were described in a previous paper. Two ramp rates, 0.1%/s and 10%/s, were selected to provide a comparison of ramp-rate effects on fuel behavior. The test pins chosen for the series covered a range of design and pre-test irradiation parameters. In the first test (1A), all pins maintained their cladding integrity during the 0.1%/s ramp to 60% peak overpower. Fuel pins with aggressive designs, i.e., high fuel- smear density and/or thin cladding, were, therefore, included in the follow-up 1B and 1C tests to enhance the likelihood of achieving cladding breaching. In the meantime, a higher pin overpower capability, to greater than 100%, was established by increasing the reactor power limit from 62.5 to 75 MWt. In this paper, the significant results of the 1B and 1C tests are presented. 4 refs., 5 figs., 1 tab.
Book Synopsis Review of Behavior of Mixed-oxide Fuel Elements in Extended Overpower Transient Tests in EBR-II. by :
Download or read book Review of Behavior of Mixed-oxide Fuel Elements in Extended Overpower Transient Tests in EBR-II. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: From a series of five tests conducted in EBR-II, a substantial data base has been established on the performance of mixed-oxide fuel elements in a liquid-metal-cooled reactor under slow-ramp transient overpower conditions. Each test contained 19 preirradiated fuel elements with varying design and prior operating histories. Elements with aggressive design features, such as high fuel smear density and/or thin cladding, were included to accentuate transient effects. The ramp rates were either 0.1 or 10%[Delta]P/P/s and the overpowers ranged between[approx]60 and 100% of the elements' prior power ratings. Six elements breached during the tests, all with aggressive design parameters. The other elements, including all those with moderate design features for the reference or advanced long-life drivers for PNC's prototype fast reactor Monju, maintained their cladding integrity during the tests. Posttest examination results indicated that fuel/cladding mechanical interaction (FCMI) was the most significant mechanism causing the cladding strain and breach. In contrast, pressure loading from the fission gas in the element plenum was less important, even in high-burnup elements. During an overpower transient, FCMI arises from fuel/cladding differential thermal expansion, transient fuel swelling, and, significantly, the gas pressure in the sealed central cavity of elements with substantial centerline fuel melting. Fuel performance data from these tests, including cladding breaching margin and transient cladding strain, are correlatable with fuel-element design and operating parameters. These correlations are being incorporated into fuel-element behavior codes. At the two tested ramp rates, fuel element behavior appears to be insensitive to transient ramp rate and there appears to be no particular vulnerability to slow ramp transients as previously perceived.
Book Synopsis EXPERIMENTAL STUDIES OF TRANSIENT EFFECTS IN FAST REACTOR FUELS. SERIES III. PRE-IRRADIATED MIXED OXIDE (PuO2--UO2) IRRADIATIONS. FINAL REPORT. TRANSIENT IRRADIATIONS. by :
Download or read book EXPERIMENTAL STUDIES OF TRANSIENT EFFECTS IN FAST REACTOR FUELS. SERIES III. PRE-IRRADIATED MIXED OXIDE (PuO2--UO2) IRRADIATIONS. FINAL REPORT. TRANSIENT IRRADIATIONS. written by and published by . This book was released on 1967 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Fast Reactor Fuel Pin Start-up Behaviour in the DUELL-II Series of Irradiation Experiments by : D Freud
Download or read book Investigation of Fast Reactor Fuel Pin Start-up Behaviour in the DUELL-II Series of Irradiation Experiments written by D Freud and published by . This book was released on 1988 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis EXPERIMENTAL STUDIES OF TRANSIENT EFFECTS IN FAST REACTOR FUELS. SERIES I. UO$sub 2$ IRRADIATIONS. by :
Download or read book EXPERIMENTAL STUDIES OF TRANSIENT EFFECTS IN FAST REACTOR FUELS. SERIES I. UO$sub 2$ IRRADIATIONS. written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental program to evaluate the performance of FCR and EFCR fuel during transient operation is outlined, and the initial series of tests are described in some detail. Test results from five experiments in the TREAT reactor, using 1-in. OD SS-clad UO/sub 2/ fuel specimens, are compared with regard to fuel temperatures, mechanical integrity, and post-irradiation appearance. Incipient fuel pin failure limits for transients are identified with maximum fuel temperatures in the range of 7000 deg F. Multiple transient damage to the cladding is likely for transients above the melting point of the fuel. (auth).
Book Synopsis Lecture Background Notes on Fast Reactor Fuel Element Behavior by : David Okrent
Download or read book Lecture Background Notes on Fast Reactor Fuel Element Behavior written by David Okrent and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analyses with the FSTATE Code written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal-mechanical analysis of a fuel pin is an essential part of the evaluation of fuel behavior during hypothetical accident transients. The FSTATE code has been developed to provide this required computational ability in situations lacking azimuthal symmetry about the fuel-pin axis by performing 2-dimensional thermal, mechanical, and fission gas release and redistribution computations for a wide range of possible transient conditions. In this paper recent code developments are described and application is made to in-pile experiments undertaken to study fast-reactor fuel under accident conditions. Three accident simulations, including a fast and slow ramp-rate overpower as well as a loss-of-cooling accident sequence, are used as representative examples, and the interpretation of STATE computations relative to experimental observations is made.
Book Synopsis In and Out of Pile Experiments Related to the Safety of Fast Reactor Fuel Pins by :
Download or read book In and Out of Pile Experiments Related to the Safety of Fast Reactor Fuel Pins written by and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis EXPERIMENTAL STUDIES OF TRANSIENT EFFECTS IN FAST REACTOR FUELS. SERIES III. PRE-IRRADIATED MIXED OXIDE (PuO2-UO2) IRRADIATIONS. INTERIM REPORT. STEADY-STATE IRRADIATIONS. by :
Download or read book EXPERIMENTAL STUDIES OF TRANSIENT EFFECTS IN FAST REACTOR FUELS. SERIES III. PRE-IRRADIATED MIXED OXIDE (PuO2-UO2) IRRADIATIONS. INTERIM REPORT. STEADY-STATE IRRADIATIONS. written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fast Reactor Fuel Pin Behavior Analyses in a LOF Type Transient Event by :
Download or read book Fast Reactor Fuel Pin Behavior Analyses in a LOF Type Transient Event written by and published by . This book was released on 2013 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
