To safeguard the environment and the number of radioactive materials used in radiological facilities worldwide, an efficient security system is required. To safeguard radioactive materials from potential adversaries, a Physical Protection System (PPS) is frequently designed and implemented in these facilities. In this study, a physical protection system designed for a hypothetical radiological site is evaluated against potentially harmful actions. This study uses the estimate of adversary sequence interruption (EASI) model for interruption of adversary action on a radiological facility to evaluate the effectiveness of physical protective systems and creates an Adversary Sequence Diagram (ASD) for a hypothetical oncology center. Using the Python program, risk values were obtained by iterating over the probability of attacks on the facility. The risk assessments showed how less likely it would be for the hypothetical facility to be attacked if improvement strategies were implemented. The fact that there was a significant increase in the likelihood of identifying and interrupting an adversary's actions toward the hypothetical radiological facility suggests that the PPS is a more reliable security system. The work aims to describe the security requirements for handling radioactive materials in a radiological facility. Despite the fact that it is highly desirable to convert such low-grade energy into electricity (high-grade energy), low-temperature heat sources in nature are regarded as unusable. The use of thermoelectric generators (TEGs) to convert low-temperature heat into electricity is gaining popularity. TEG's low performance will make it possible to use it in large engineering applications if its performance is improved. In this paper, both steady and transient conditions will be examined to determine how heat transfer rate affects TEG performance.

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With Regards,
Sara Giselle
Associate Managing Editor
 Journal of Stroke Research & Therapy