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Design and Development of an External Fast Neutron Beam Facility at the Ohio State University Research Reactor

Abstract Details

2019, Master of Science, Ohio State University, Nuclear Engineering.
The ability of the Ohio State University Research Reactor, OSURR, to conduct experiments from the generation of the neutron flux is important in conducting research by the University and external entities that require a flux of this magnitude. In particular, research involving a fast neutron flux is of interest due to the different interactions fast neutrons have as opposed to thermal neutrons. The OSURR is able to operate up to 500 kW, which creates a neutron flux in the order of 1013 n/cm2-s. Currently, Beam Port 2 provides a thermal neutron beam profile of 30 mm in diameter for experimentation such as neutron depth profiling, activation analysis, and evaluation of radiation damage to electronics. Beam Port 1 uses a sample area located adjacent and perpendicular to the fuel plates of the reactor for in-core irradiation. During experimentation, the remainder of Beam Port 1 must be plugged with removable concrete shielding to prevent radiation exposure that can be upwards of 1x104 rem/hr. The upgrade to Beam Port 1 consists of a collimator to shape the neutron flux from the reactor into a beam of fast neutrons, similar in diameter to Beam Port 2, in order to irradiate samples external to the reactor. In addition, mobile external shielding is designed to prevent exceeding the exposure limits of 5 rem/yr when the facility is in use. With this upgrade the research reactor has the ability to conduct simultaneous experiments with a fast and thermal neutron beam, external to the biological shielding, without releasing any harmful exposure.
Vaibhav Sinha, Dr (Advisor)
Lei Cao, Dr (Committee Member)
125 p.

Recommended Citations

Citations

  • Zapp, A. M. (2019). Design and Development of an External Fast Neutron Beam Facility at the Ohio State University Research Reactor [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1545075104197272

    APA Style (7th edition)

  • Zapp, Andrew. Design and Development of an External Fast Neutron Beam Facility at the Ohio State University Research Reactor. 2019. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1545075104197272.

    MLA Style (8th edition)

  • Zapp, Andrew. "Design and Development of an External Fast Neutron Beam Facility at the Ohio State University Research Reactor." Master's thesis, Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1545075104197272

    Chicago Manual of Style (17th edition)