An international journal published by K. N. Toosi University of Technology

Radiation Sources
Computational investigation of 1 up to 3 kCi Co-60 source production at external irradiation boxes of TRR core using MCNPX code

Zohreh Gholamzadeh; Amir Pourrostam; Reza Ebrahimzadeh; Zeinab Naghshnejad

Articles in Press, Accepted Manuscript, Available Online from 29 July 2023

https://doi.org/10.22034/rpe.2023.398991.1138

Abstract
  In many human diseases and health cases, therapy of blood transfusion becomes necessary. In spite of the necessity, there are some risks associated with blood used in blood transfusion process. The TA-GVHD (transfusion-associated graft-versus-host-disease) is a problem when a blood transfusion occurs. ...  Read More

Experimental and Theoretical Nuclear Physics
Benchmark MCNP computer code simulation results against experimental data of neutron flux and spectrum from neutron imaging system of Tehran research reactor

Majid Zamani; Mohsen Shayesteh

Articles in Press, Accepted Manuscript, Available Online from 18 August 2023

https://doi.org/10.22034/rpe.2023.406935.1152

Abstract
  Using the experimental data in nuclear computing to verify the calculation methods and tools based on numerical and statistical methods has many benefits such as illustrating the quality, ensuring the capabilities, and computer codes validating. Simulation by computer tools is also applicable in the ...  Read More

Radiation Applications
Investigation and Simulation of Gamma-Neutron Shielding for Nuclear- Pumped Lasers

Mehrdad Shamsinasab; Mansour Asgari; Mahdi Eshghi

Articles in Press, Accepted Manuscript, Available Online from 20 August 2023

https://doi.org/10.22034/rpe.2023.396172.1134

Abstract
  Nuclear-pumped lasers (NPL) are lasers that excite the active laser environment caused by nuclear reaction. Such lasers need ionizing radiation shielding for mixed neutron and gamma fields. In this work, a shielding system for NPL was designed which using 10B(n,α)7Li. In this simulation, we have ...  Read More

Nuclear Reactor science and Technology
A review of advanced Small Modular Reactors (SMRs) through a developed PIRT methodology

Afshin Hedayat

Articles in Press, Accepted Manuscript, Available Online from 26 August 2023

https://doi.org/10.22034/rpe.2023.401266.1143

Abstract
  Nowadays, a very particular type of nuclear reactors has become fascinating not only for most nuclear communities but also for the prominent energy suppliers to fix the global warming effects worldwide. They are Small Modular Reactors called SMRs. Usually, SMRs can are classified according to the seven ...  Read More

Radiation Applications
The new design of heavy concrete as neutron and gamma shield using galena, B4C, and nanomaterials

Reza Pourimani; Saeed Ghahani; Parisa Nobakht; Iman Mirzae Moghadam

Articles in Press, Accepted Manuscript, Available Online from 29 August 2023

https://doi.org/10.22034/rpe.2023.397144.1136

Abstract
  Today, with the development of nuclear technology and radiation therapy equipment, radiation protection is important. This study aimed to design heavy concrete with high compressive strength and effective protection against neutron and gamma rays. In this study, 11 types of concrete with different mixing ...  Read More

Measurement of Radiation and Radioactivity
Experimental study on Fricke gelatin gel dosimeters

Elham Edalatkhah; Farshid Pourranjbar; Seyed Mohammad Mahdi Abtahi

Articles in Press, Accepted Manuscript, Available Online from 29 August 2023

https://doi.org/10.22034/rpe.2023.406693.1151

Abstract
  Fricke gel dosimeters obtained by modifications on standard Fricke dosimeter presents some advantages like easy preparation, tissue equivalence, good reproducibility and dose mapping. In this work, dose response characteristics of Fricke gelatin gel dosimeters was investigated and compared with Fricke ...  Read More

Nuclear Reactor science and Technology
Analysis of the control rod withdrawal speed impact on the transient behavior of Bushehr-1 NPP using Simulink software

Morteza Akbari; Farrokh Khoshahval

Articles in Press, Accepted Manuscript, Available Online from 13 September 2023

https://doi.org/10.22034/rpe.2023.405891.1147

Abstract
  In this research, the governing dynamic equations of the Bushehr NPP core are studied and modeled using Matlab (Simulink) software. The point kinetic equation with the temperature feedbacks and the fuel-coolant energy balance equations in the time domain were used for this purpose. The model is validated ...  Read More

Measurement of Radiation and Radioactivity
Stability of PVA Fricke gel as a radiochromic indicator for blood irradiation

Elham Edalatkhah; Mahsa Sedighi; Payvand Taherparvar

Articles in Press, Accepted Manuscript, Available Online from 16 September 2023

https://doi.org/10.22034/rpe.2023.413414.1157

Abstract
  Gamma radiation indicators are appropriate tools for monitoring visually whether or not the irradiation process has been carried out properly. Among chemical radiation indicators available worldwide, a few are suitable for monitoring low dose ranges (especially for blood irradiation, below 50 Gy). Addressing ...  Read More