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For the 95% enriched uranium metal: a. Determine the macroscopic capture cross section (? b. Determine...
Assume that only 235U-fissions. Calculate the macroscopic fission cross-section for the fuel given the following parameters....
Assume that only 235U-fissions. Calculate the macroscopic
fission cross-section for the fuel given the following
parameters.
Ignore the trace amounts of 234U in the fuel) Density of uranium dioxide wlo of 22 U in natural uranium MW of 235u Microscopic fission cross-section of 2 w/o of 23eU in natural uranium MW of 29U Microscopic fission cross-section of 28U MW of 1 C 10.5 g/cm 2.5 w/o (025) 235.0439 587 99.289 (99289) 238.0508 -0 15.9994
In order to determine the macroscopic and microscopic cross section for a certain you set up...
In order to determine the macroscopic and microscopic cross section for a certain you set up a collimated neutron source on one side and a neutron detector fter single isotope material, on the other. The intensity of the neutron beam is initially 10% neutrons per cm2 per second. A passing through the 3 cm. thick sample, the bean se er of the material is 3.8 grams per cubic centimeter and the molar mass is 8 cond. If the density grams...
Calculate the macroscopic cross absorption cross section Σa for (a) Water of unit density at 0.0253...
Calculate the macroscopic cross absorption cross section Σa for (a) Water of unit density at 0.0253 eV (b) Water of density 0.7 g/cm3 at 0.0253 eV (c) Water of density 0.7 g/cm3 at 1 eV
The uranium minerals found in nature must be refined and enriched in ^235 U before the...
The uranium minerals found in nature must be refined and enriched in ^235 U before the uranium can be used as a fuel in nuclear reactors. One procedure for enriching uranium begins with the reaction of natural UO_2 with HF to form UF_4, which is then converted into UF_6 by reaction with fluorine: UO_2 (g) + 4 HF(g) rightarrow UF_4 (g) + 2 H_2 O(l) UF_4 (g) + F_2 (g) rightarrow UF_6 (g) a. How many kilograms of HF are...
(17) Enriched uranium has more a- energy c- deuterium b- radioactivity d- uranium-235 (18) When an...
(17) Enriched uranium has more a- energy c- deuterium b- radioactivity d- uranium-235 (18) When an element X emits gamma-rays, its atomic number Z a- increases by 1 b- decreases by 2 c-increases by 2 d- remains the same (19) The actinium series ends at stable b- 207 Pb d- 209 Bi a- 206 Pb 208 Pb (20) The separation energy of an alpha particle from 8Gd, where M 8 Gd) = 157.92411 u, M654 Sm) = 153.92167 u and...
Definition of cross section We use the scattering angle to define the cross section weak scattering strong scattering θ (scattering angle) Relation between scattering angle and cross section Number o...
Definition of cross section We use the scattering angle to define the cross section weak scattering strong scattering θ (scattering angle) Relation between scattering angle and cross section Number of particles scattered into the solid angle d2 (6,9) is given by dN-N σ (θ, φ) dS: N do (θ, φ) → σ (0、4) represents the occurrence rate of a scattering process with θ、φ This number is equal to the number of particles passing through the area db b dp, given...
The circular cross section of the cylindrical metal bar shown in the figure is the tip...
The circular cross section of the cylindrical metal bar shown in the figure is the tip is ideally insulated. The other end is fixed at Tw=2000C heat conductivity coefficient of k film heat transmission coefficient is h. Diameter of the rod D and radial neglecting heat conduction in the direction; a) Using the dimensionless parameters © = (T-To) / (Tw-To), 5=z/ L for the temperature distribution in the metal bar, find expression. b) Calculate energy discharged from the rod to...
A gutter is to be made of a strip of metal 27 inches wide, with the cross section have the form o...
This Problem is for Optimization in calculus Math 1210
A gutter is to be made of a strip of metal 27 inches wide, with the cross section have the form of an isosceles trapezoid as shown below. Find the depth h that gives the maximum cross-sectional area (b-a)2 (b-a)y2 What is the length of a in the picture? The depth, h, that gives the maximum cross-sectional area is The maximum cross-sectional area is Select an answer Select an answer Select...
A cross-section is subjected to a maximum shear of V=160 kN (see figure): 1. Determine the...
A cross-section is subjected to a maximum shear of V=160 kN (see figure): 1. Determine the centroid of the cross-section. 2. Calculate the moment of inertia (l) of the cross-section. 3. Determine the shear stress at point A in the cross-section. -250 715 -100 -145 AL -10 -300 -145 10 125 10 -200 All dimensions are in millimeters
Determine: -the resultant internal normal force acting on the cross section through point B of the...
Determine:
-the resultant internal normal force acting on the cross
section through point B of the signpost. The post is fixed to the
ground and a uniform pressure of 7 lb/ft^2 acts perpendicular to
the face of the sign.
-the resultant internal shear force acting on the cross
section through point B of the sign post.
-the resultant internal bending moment acting on the cross
section through point B of the signpost
-the resultant internal torsional moment acting on the...
Assume that only 235U-fissions. Calculate the macroscopic
fission cross-section for the fuel given the following
parameters.
Ignore the trace amounts of 234U in the fuel) Density of uranium dioxide wlo of 22 U in natural uranium MW of 235u Microscopic fission cross-section of 2 w/o of 23eU in natural uranium MW of 29U Microscopic fission cross-section of 28U MW of 1 C 10.5 g/cm 2.5 w/o (025) 235.0439 587 99.289 (99289) 238.0508 -0 15.9994
In order to determine the macroscopic and microscopic cross section for a certain you set up a collimated neutron source on one side and a neutron detector fter single isotope material, on the other. The intensity of the neutron beam is initially 10% neutrons per cm2 per second. A passing through the 3 cm. thick sample, the bean se er of the material is 3.8 grams per cubic centimeter and the molar mass is 8 cond. If the density grams...
The uranium minerals found in nature must be refined and enriched in ^235 U before the uranium can be used as a fuel in nuclear reactors. One procedure for enriching uranium begins with the reaction of natural UO_2 with HF to form UF_4, which is then converted into UF_6 by reaction with fluorine: UO_2 (g) + 4 HF(g) rightarrow UF_4 (g) + 2 H_2 O(l) UF_4 (g) + F_2 (g) rightarrow UF_6 (g) a. How many kilograms of HF are...
(17) Enriched uranium has more a- energy c- deuterium b- radioactivity d- uranium-235 (18) When an element X emits gamma-rays, its atomic number Z a- increases by 1 b- decreases by 2 c-increases by 2 d- remains the same (19) The actinium series ends at stable b- 207 Pb d- 209 Bi a- 206 Pb 208 Pb (20) The separation energy of an alpha particle from 8Gd, where M 8 Gd) = 157.92411 u, M654 Sm) = 153.92167 u and...
Definition of cross section We use the scattering angle to define the cross section weak scattering strong scattering θ (scattering angle) Relation between scattering angle and cross section Number of particles scattered into the solid angle d2 (6,9) is given by dN-N σ (θ, φ) dS: N do (θ, φ) → σ (0、4) represents the occurrence rate of a scattering process with θ、φ This number is equal to the number of particles passing through the area db b dp, given...
The circular cross section of the cylindrical metal bar shown in the figure is the tip is ideally insulated. The other end is fixed at Tw=2000C heat conductivity coefficient of k film heat transmission coefficient is h. Diameter of the rod D and radial neglecting heat conduction in the direction; a) Using the dimensionless parameters © = (T-To) / (Tw-To), 5=z/ L for the temperature distribution in the metal bar, find expression. b) Calculate energy discharged from the rod to...
This Problem is for Optimization in calculus Math 1210
A gutter is to be made of a strip of metal 27 inches wide, with the cross section have the form of an isosceles trapezoid as shown below. Find the depth h that gives the maximum cross-sectional area (b-a)2 (b-a)y2 What is the length of a in the picture? The depth, h, that gives the maximum cross-sectional area is The maximum cross-sectional area is Select an answer Select an answer Select...
A cross-section is subjected to a maximum shear of V=160 kN (see figure): 1. Determine the centroid of the cross-section. 2. Calculate the moment of inertia (l) of the cross-section. 3. Determine the shear stress at point A in the cross-section. -250 715 -100 -145 AL -10 -300 -145 10 125 10 -200 All dimensions are in millimeters
Determine:
-the resultant internal normal force acting on the cross
section through point B of the signpost. The post is fixed to the
ground and a uniform pressure of 7 lb/ft^2 acts perpendicular to
the face of the sign.
-the resultant internal shear force acting on the cross
section through point B of the sign post.
-the resultant internal bending moment acting on the cross
section through point B of the signpost
-the resultant internal torsional moment acting on the...
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