Druck-Materie 20b.qxd - JUWEL - Forschungszentrum Jülich

More documents

Recommendations

Info

sigma-T in barns/molecule Figure 4. Total neutron cross section of water around T = 273K mue-bar 500 450 400 350 300 250 200 150 100 50 0 1.0E-04 1.0E-03 1.0E-02 1.0E-01 1.0E+00 0.6 0.5 0.4 0.3 0.2 0.1 0.0 IKE model Reinsch 1961 energy in eV -0.1 1.0E-04 1.0E-03 1.0E-02 1.0E-01 1.0E+00 energy in eV Figure 5. Average cosine of the neutron scattering angle in water ice at T = -15°C 14 IKE ice Ih IKE liquid Springer 1961 ice Springer 1961 liquid
Neutron Flux Spectrum (arbitrary unit) Figure 6. Neutron flux density spectrum in light water ice at T=20K Neutron flux spectra (arbitrary units) 1,E+05 1,E+04 1,E+03 1,E+02 1,E+01 1,E+00 1,E+04 1,E+03 1,E+02 1,E+01 1,E+00 H2O ICE T=20 K 1,E-04 1,E-03 1,E-02 1,E-01 1,E+00 1,E+01 Energy (eV) Figure 7. Neutron flux density spectrum in light water ice at T=77K 15 Exp. Inoue et al. MCNP-4C3 1,E-04 1,E-03 1,E-02 1,E-01 1,E+00 1,E+01 Energy (eV) Exp. Inoue et al. MCNP-4C3
Page 1 and 2: ACoM - 6 6th 6 International Worksh
Page 3 and 4: Forschungszentrum Jülich GmbH Inst
Page 5: Preface These are the Proceedings o
Page 8 and 9: List of participants, cont’d. Kü
Page 10 and 11: Pepe M. 43 Petriw S. 43 Picton D.J.
Page 12 and 13: Experimental background, results an
Page 14 and 15: • Light water ice as H(H2O) at T
Page 16 and 17: In Table 2 a survey is given about
Page 20 and 21: 2.3 Liquid water Compared to the so
Page 22 and 23: presented. The corresponding experi
Page 24 and 25: 3.2 Gaseous hydrogen and deuterium
Page 26 and 27: Rho(Omega) normalised 160 140 120 1
Page 28 and 29: elatively free and can also suffer
Page 30 and 31: Figure 16. Heat Capacity for Solid
Page 32 and 33: o-D2 and p-H2 at 5K for an ucn ener
Page 34 and 35: Figure 22. UCN Upscattering Rates i
Page 36 and 37: ho(omega) normalised 40 35 30 25 20
Page 38 and 39: derived from Walker [52]. The neutr
Page 40 and 41: Since there is only a small gain of
Page 42 and 43: 7. CALCULATION OF SCATTERING LAW DA
Page 44 and 45: For the validation of these data se
Page 46 and 47: [36] Nielsen, M.: Phonons in Solid
Page 48 and 49: 2. THE CASE OF MOLECULAR SOLIDS An
Page 50 and 51: γ r ( 0) ≅ 2 2 2 T erf e ( ) / 2
Page 52 and 53: 4. PRELIMINARY APPLICATION Solid Me
Page 54 and 55: [5] Meeting on Moderator Concepts a
Page 56 and 57: state. Conversely, the monatomic hy
Page 58 and 59: Note that the equilibrium trihydrog
Page 60 and 61: para hydrogen system under irradiat
Page 62 and 63: [12] T. E. Fessler and J. W. Blue,
Page 64 and 65: tion of neutron intensities, partic
Page 66 and 67: varied between calculations but the
Page 68 and 69:
5. THE OPTIMISATION OF MULTIPLY GRO
Page 70 and 71:
Figure 7. A comparison of time dist
Page 72 and 73:
4.8 cm hydrogen slab in front of a
Page 75 and 76:
ACoM - 6 6 th Meeting of the Collab
Page 77 and 78:
the moderator is annealed every 12
Page 79 and 80:
The method requires two additional
Page 81 and 82:
ABSTRACT ACoM - 6 6 th Meeting of t
Page 83 and 84:
Heat transfer processes across phas
Page 85 and 86:
3. TWO-PHASE FLOW PATTERN IN THE MO
Page 87 and 88:
continuous phase dominating, and a
Page 89 and 90:
Also the velocity pattern has chang
Page 91 and 92:
Figure 8. Methane pellets concentra
Page 93 and 94:
ACoM - 6 6 th Meeting of the Collab
Page 95 and 96:
sample volume and the nominal densi
Page 97 and 98:
The results presented in this paper
Page 99:
Table 10. Summary of energy transfe
Page 102 and 103:
2. EXPERIMENTAL Methane hydrate was
Page 104 and 105:
Figure 4. Energy levels of methane
Page 106 and 107:
102
Page 108 and 109:
phase transitions from phase II to
Page 110 and 111:
After melting phase I in the cryost
Page 112 and 113:
4. SOLID PHASES OF MESITYLENE-D0 AN
Page 114 and 115:
G(ν) [a.u.] 8 6 4 2 Phase II Phase
Page 116 and 117:
112
Page 118 and 119:
A not quite as perfect cold spectru
Page 120 and 121:
2.2 Inelastic neutron scattering Th
Page 122 and 123:
Figure 4. Inelastic spectra at the
Page 124 and 125:
3.2 Moderator performance The resul
Page 126 and 127:
122
Page 128 and 129:
Figure 2. The methane pelletizer, m
Page 130 and 131:
Figure 5. The cryogenic hopper fill
Page 132 and 133:
128
Page 134 and 135:
ture
Page 136 and 137:
The charging device scheme could be
Page 138 and 139:
Table 1. Data of irradiation of met
Page 140 and 141:
5. METHODS OF PROCESSING OF RAW EXP
Page 142 and 143:
of radicals, that is, before a burp
Page 144 and 145:
6.2 Condition for thermally stimula
Page 146 and 147:
Table 4. Estimated values of an ene
Page 148 and 149:
• Nine spontaneous burps were obs
Page 150 and 151:
APPENDIX Some useful relations and
Page 152 and 153:
APPENDIX. Graphs of burps. 148
Page 154 and 155:
150
Page 156 and 157:
152
Page 158 and 159:
154
Page 160 and 161:
2. EXPERIMENTAL SETUP Fig. 1 will g
Page 162 and 163:
All these parameters are kept const
Page 164 and 165:
4. CONCLUSIONS We demonstrated that
Page 166 and 167:
JESSICA (Juelich Experimental Spall
Page 168 and 169:
The moderator system consists of th
Page 170 and 171:
to change the temperatures and to p
Page 172 and 173:
168
Page 174 and 175:
supplied from the high pressure bom
Page 176 and 177:
10 9 10 8 10 7 10 6 Para35%[Experim
Page 178 and 179:
174
Page 180 and 181:
2. TIME OF FLIGHT SPECTRA AND ENERG
Page 182 and 183:
When applying this transformation t
Page 184 and 185:
data were analyzed in more detail.
Page 186 and 187:
182
Page 188 and 189:
First of all, we should conclude th
Page 190 and 191:
The equation (a) may also describe
Page 192 and 193:
Even at h=0.01 mm which is too smal
Page 194 and 195:
model and some consequences of its
Page 196 and 197:
methane and 0.7-1.5% for water ice
Page 198 and 199:
case: the sample of infinite size.
Page 200 and 201:
196
Page 202 and 203:
198
Page 204 and 205:
200
Page 206 and 207:
202
Page 208 and 209:
204
Page 210 and 211:
206
Page 212 and 213:
208
Page 214 and 215:
210
Page 216 and 217:
Phase Diagram of the CH4-H20 system
Page 218 and 219:
Reaction Chamber for Hydrate Produc
Page 220 and 221:
Analysis: X-ray diffraction pattern
Page 222 and 223:
Comparison with non-hydrate forming
Page 224 and 225:
Mechanical Tests: Apparatus 220
Page 226 and 227:
Morphology of Indium Jacket 222
Page 228 and 229:
Schriften des Forschungszentrums J
Page 230 and 231:
Schriften des Forschungszentrums J
show all

Druck-Materie 20b.qxd - JUWEL - Forschungszentrum Jülich

Create successful ePaper yourself

Delete template?

Save as template?