UKAEA Open Data

Data can transform an entire enterprise

Published Data

These pages provide an access point to data contained in CCFE published journal papers.  By selecting a paper, and then a specific figure or table, you can request the related underlying data if it is available for release.

« Back

Publication Figures

Publication Date:
2020-09-09

First Author:
M. R. Gilbert

Title:
Experimental validation of inventory simulations on molybdenum and its isotopes for fusion applications

Paper Identifier:
CP/20/163

Search the list of Figures using keywords (case insensitive):

To drill down to information on Data within a published figure, select a table cell where the figure's number of Data Items > 0
Use the Download buttons to download information on each listed figure, e.g. the image file and how it was created

Figure Reference Title Description Number of Figure Data Items Identifier Download Figure Details
Figure 1a Figure 1a Figure 1a: Simulation results for predicted post-operation activity of Mo and W (both with naturally occurring isotopic abundances) after typical fusion DEMO reactor exposures in the first wall (FW) of the blanket and in the armour tiles of the divertor. The post-operation activity in Bq/kg is shown as a function of time for natural Mo and W after typical component lifetimes 1 CF/20/164 Download
Figure 1b Figure 1a: Simulation results for predicted post-operation activity of Mo and W (both with naturally occurring isotopic abundances) after typical fusion DEMO reactor exposures in the first wall (FW) of the blanket and in the armour tiles of the divertor. The post-operation dose is shown as a function of time for natural Mo and W after typical component lifetimes 1 CF/20/166 Download
Figure 2 Figure 2 Figure 2: Simulated neutron spectra for the two different DEMO reactor locations discussed in the main text, as well as for the conditions experienced by the thin, 25(times)25~mm(^2) samples in the FNS experiments, and the ASP spectrum as used to irradiate Mo foils. 1 CF/20/168 Download
figure 3a figure 3a Radionuclide contribution curves to the activity in Mo predicted after a (sim)~5-year exposure to the divertor armour spectra . (a) absolute activities and (b) % contributions. 1 CF/20/170 Download
figure 3b Figure 3b Radionuclide contribution curves to the activity in Mo predicted after a (sim)~5-year exposure to the divertor armour spectra . (a) absolute activities and (b) % contributions. 1 CF/20/172 Download
Figure 4a Figure 4a The post-operation activity in Bq/kg (a) and (gamma) dose-rate at 1~m in Sv/hr (b) is shown as a function of time for different stable isotopes of Mo that have been individually exposed to a lifetime scenario for the outboard divertor target armour of DEMO (results for naturally occurring Mo and W are also shown for comparison). 1 CF/20/174 Download
Figure 4b Figure 4b The post-operation activity in Bq/kg (a) and (gamma) dose-rate at 1~m in Sv/hr (b) is shown as a function of time for different stable isotopes of Mo that have been individually exposed to a lifetime scenario for the outboard divertor target armour of DEMO (results for naturally occurring Mo and W are also shown for comparison). 1 CF/20/176 Download
Figure 5 Figure 5 Simulation & experimental decay-heat results from the FNS benchmark for molybdenum. (a) and (c) correspond to decay-heat following 5-minute irradiations, (b) and (d) are the equivalent data after 7-hour irradiations. (a) and (b) show total decay-heat curves on linear time-after-irradiation scales for the different nuclear library simulations with FISPACT-II, the experimental measurements as points with vertical lines showing experimental uncertainty, and the nuclear-data-uncertainty band (in grey) for the TENDL-2017 library. (c) and (d) present the radionuclide breakdown of contributions to the total decay-heat from the TENDL-2017 simulations in absolute microW/g terms (top halves) and as % contributions (bottom halves) -- on logarithmic time-after-irradiation scales 1 CF/20/178 Download
figure 6 figure 6 ASP geometry figure 1 CF/20/180 Download
figure 7a figure 7a Experiment 82 (gamma) spectroscopy. (a): final (end of (sim)15-min. acquisition) integrated (gamma) spectrum. (b): 652.9~keV peak associated with (^{91m})Mo after 91~s, showing the peak area after subtraction of the background. (c): counts as a function of time for this peak and the curve fitted to the data (see main text for details). (C_0) is the dependent (free) variable. (t_{textrm{transfer}}) is the time delay between the end of the irradiation and the start of the (gamma)-data acquisition -- ie the transfer time. 1 CF/20/182 Download
figure 7b figure 7b Experiment 82 (gamma) spectroscopy. (a): final (end of (sim)15-min. acquisition) integrated (gamma) spectrum. (b): 652.9~keV peak associated with (^{91m})Mo after 91~s, showing the peak area after subtraction of the background. (c): counts as a function of time for this peak and the curve fitted to the data (see main text for details). (C_0) is the dependent (free) variable. (t_{textrm{transfer}}) is the time delay between the end of the irradiation and the start of the (gamma)-data acquisition -- ie the transfer time. 1 CF/20/184 Download
figure 7c figure 7c Experiment 82 (gamma) spectroscopy. (a): final (end of (sim)15-min. acquisition) integrated (gamma) spectrum. (b): 652.9~keV peak associated with (^{91m})Mo after 91~s, showing the peak area after subtraction of the background. (c): counts as a function of time for this peak and the curve fitted to the data (see main text for details). (C_0) is the dependent (free) variable. (t_{textrm{transfer}}) is the time delay between the end of the irradiation and the start of the (gamma)-data acquisition -- ie the transfer time. 1 CF/20/186 Download
figure 8 figure 8 The complete set of (C/E) values calculated for the ASP experiments involving Mo foils. The colour of a point indicates which (gamma)-peak it is associated with (listed at the top of each pane). Points are grouped by experiment along the x-axis. Each pane corresponds to the peaks of a different radionuclide, except for the top pane, where the single measured peaks from each of (^{97})Nb and (^{97m})Nb are shown together. The weighted-average (C/E) value for all peaks in each pane is also plotted in black, and the grey band behind the data represents the standard deviation of the (C/E) values from this average. 1 CF/20/188 Download
Table 1 Table 1 Table showing the primary generation pathways for the important radionuclides generated in natural Mo during exposure to the operating conditions expected for the outboard divertor armour of a typical DEMO concept. For each nuclide, the % contribution for each path corresponds to the results computed by FISPACT-II using TENDL-2017 nuclear data. Pathways here and in subsequent tables were identified using the tree-search algorithm employed in FISPACT-II, invoked via the UNCERT and LOOKAHEAD keywords 1 CF/20/190 Download
Table 2 Table 2 Pathway analysis for Mo experiments at FNS 1 CF/20/192 Download
Table 4 Table 4 Pathway analysis for ASP experiments 1 CF/20/194 Download
Table 3 Table 3 Table of experiment details 0 CF/20/196 Download