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The following sections are for setting up a MCNP simulation for the given food product by generating 3-D geometry and data file.

Figure 61 The following sections are for setting up a MCNP simulation for the given food product by generating 3-D geometry and data file.

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to process almost every type of food product in an effective manner in facilities of
to process almost every type of food product in an effective manner in facilities of
Fig. 3.1. Part of broccoli CT data file.
Fig. 3.1. Part of broccoli CT data file.
slices of a Roman tomato.
slices of a Roman tomato.
Fig. 3.10. Reference and body-attached coordinate system (Fu, Gonzales, & Lee, 1987). frame is rotating with respect to the reference frame OXYZ. dimensional space and is considered to be the reference frame. The OUVW coordinate
Fig. 3.10. Reference and body-attached coordinate system (Fu, Gonzales, & Lee, 1987). frame is rotating with respect to the reference frame OXYZ. dimensional space and is considered to be the reference frame. The OUVW coordinate
about the OZ axis with 0 angle area, respectively, are Similarly, the 3 x 3 rotation matrices for rotation about the OY axis with @ angle and matrix, representing a rotation of @ angle about OY axis followed by a rotation of 6 angle about OW axis followed by a rotation of a angle about OU axis, is as bellow:
about the OZ axis with 0 angle area, respectively, are Similarly, the 3 x 3 rotation matrices for rotation about the OY axis with @ angle and matrix, representing a rotation of @ angle about OY axis followed by a rotation of 6 angle about OW axis followed by a rotation of a angle about OU axis, is as bellow:
A Matlab script file, generating a rotation matrix for MCNP geometry, is angle about OW axis (Fig. 3.11), the resultant rotation matrix is
A Matlab script file, generating a rotation matrix for MCNP geometry, is angle about OW axis (Fig. 3.11), the resultant rotation matrix is
Fig. 4.2. Placement of the phantom dosimeter in front of the electron beam exit window.
Fig. 4.2. Placement of the phantom dosimeter in front of the electron beam exit window.
Fig. 4.3. The phantom and its regions: 0° and 180° correspond to the right and left position, and 90° and 270° correspond to the top and bottom position, respectively.
Fig. 4.3. The phantom and its regions: 0° and 180° correspond to the right and left position, and 90° and 270° correspond to the top and bottom position, respectively.
Input parameter for the apple simulation
Input parameter for the apple simulation
Fig. 5.4. Simulated results of apple phantom with a 10 MeV e-beam source operating in dual mode for a conveyor speed of 0.3 m/s: (a) dose distribution (kGy) over the whole phantom, (b) dose distribution versus penetration depth (at different vertical planes of the phantom); (c) dose distribution versus penetration depth at different horizontal planes (beam source operating in single beam mode -top beam with conveyor speed of 0.3 m/s).
Fig. 5.4. Simulated results of apple phantom with a 10 MeV e-beam source operating in dual mode for a conveyor speed of 0.3 m/s: (a) dose distribution (kGy) over the whole phantom, (b) dose distribution versus penetration depth (at different vertical planes of the phantom); (c) dose distribution versus penetration depth at different horizontal planes (beam source operating in single beam mode -top beam with conveyor speed of 0.3 m/s).
Fig. 5.6. Continued.
Fig. 5.6. Continued.
Fig. 6.4. (a) 3-D reconstruction of the apple with the CT slices; (b) 3-D subvolume reconstruction of the apple with the CT slices.
Fig. 6.4. (a) 3-D reconstruction of the apple with the CT slices; (b) 3-D subvolume reconstruction of the apple with the CT slices.
Fig. 6.6. Calculated X-ray spectra from the 5 MeV X-ray converter.
Fig. 6.6. Calculated X-ray spectra from the 5 MeV X-ray converter.
Input parameters for chicken carcass simulation
Input parameters for chicken carcass simulation
Material composition (%/weight)
Material composition (%/weight)
Fig. 7.7. Continued.
Fig. 7.7. Continued.
Fig. 7.7. Continued.
Fig. 7.7. Continued.
Fig. 7.7. Continued.
Fig. 7.7. Continued.
Fig. 7.9. Continued. 0 back to MCNP Output Page or Go back to System Main Page
Fig. 7.9. Continued. 0 back to MCNP Output Page or Go back to System Main Page
Fig. 7.10. The microorganism (Clostridium sporogenes) survival rate data (D-value) of mushroom. head can be easily exposed to microorganisms.
Fig. 7.10. The microorganism (Clostridium sporogenes) survival rate data (D-value) of mushroom. head can be easily exposed to microorganisms.
Fig. 7.11. Broccoli’s nutritional data and chemical composition (USDA, 2006).
Fig. 7.11. Broccoli’s nutritional data and chemical composition (USDA, 2006).
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Materials ScienceFood irradiation
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