Čerenkov Radiation

Collins, G. B.; Reiling, Victor G.

doi:10.1103/physrev.54.499

Cited by 72 publications

(23 citation statements)

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“…Thus, I 0, when > A;B m and I Þ 0 for 0. In [26], the same result was also obtained for the VCR realization through the direct use of high-energy electron beams. Let us determine the threshold velocity parameter A;B [2].…”

Section: Equation (supporting

confidence: 79%

“…Thus, the relativistic generalization of the Landau criterion in (6) and (7) is more common than in condition (4), because (6) and (7) determine the possibility of an energetically favorable realization of the VCR phenomenon for all the angles within the interval 0 m [where m may be obtained from (6)], which is in agreement with experimental data [2,26].…”

Section: Equation (supporting

confidence: 78%

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Relativistic Generalization of the Landau Criterion as a New Foundation of the Vavilov-Cherenkov Radiation Theory

Chefranov

2004

Phys. Rev. Lett.

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The relativistic generalization of the Landau criterion is obtained for the determination of threshold conversion of medium elementary Bose-condensed excitation into Cherenkov's photon unbremsstrahlung radiation. In contraposition to classic Vavilov-Cherenkov radiation (VCR) theory, the new VCR theory admits the conditions for effective and direct VCR realization even for high-frequency transverse electromagnetic waves in isotropic plasma.

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Section: Equation (supporting

confidence: 79%

Section: Equation (supporting

confidence: 78%

Relativistic Generalization of the Landau Criterion as a New Foundation of the Vavilov-Cherenkov Radiation Theory

Chefranov

2004

Phys. Rev. Lett.

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“…Collins and Railing in 1938 [15] and Wyckoff and Henderson in 1943 [16] repeated Cherenkov's measurements and confirmed his results. Collins and Railing, for the first time, called the new phenomenon Cherenkov radiation.…”

Section: Acknowledgementssupporting

confidence: 79%

The discovery of the Cherenkov radiation

Cherenkova

2008

Nuclear Instruments and Methods in Physics Research Section A:

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“…The particle energy at which the speed of light is exceeded in the media is known as the Cherenkov threshold, which is dependent primarily on the RI of the medium (Collins and Reiling 1938). As an example, the 11.21…”

Section: Alternate Reactor Power-monitoring Technique -Cherenkov Radimentioning

confidence: 99%

Technical Readiness and Gaps Analysis of Commercial Optical Materials and Measurement Systems for Advanced Small Modular Reactors

Anheier¹,

Suter²,

Qiao³

et al. 2013

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Energy Research and Development Roadmap and industry stakeholders by evaluating optically based instrumentation and control (I&C) concepts for advanced small modular reactor (AdvSMR) applications. These advanced designs will require innovative thinking in terms of engineering approaches, materials integration, and I&C concepts to realize their eventual viability and deployment. The primary goals of this report include:1. Establish preliminary I&C needs, performance requirements, and possible gaps for AdvSMR designs based on best-available published design data.2. Document commercial off-the-shelf (COTS) optical sensors, components, and materials in terms of their technical readiness to support essential AdvSMR in-vessel I&C systems.3. Identify technology gaps by comparing the in-vessel monitoring requirements and environmental constraints to COTS optical sensor and materials performance specifications.4. Outline a future research, development, and demonstration (RD&D) program plan that addresses these gaps and develops optical-based I&C systems that enhance the viability of future AdvSMR designs.The DOE-NE roadmap outlines RD&D activities intended to overcome technical barriers that currently limit advances in nuclear energy. As part of this strategy, DOE-NE is sponsoring research on advanced reactor supportive technologies to reduce the identified barriers. Key challenges that must be overcome include the high capital costs to develop nuclear power plants, maintaining safety performance as the reactor fleet expands, minimizing nuclear waste, and maintaining strong proliferation resistance. AdvSMR designs are a major component of this strategy, because these designs offer a number of unique advantages. The modular and small size of AdvSMR designs naturally lead to reduced capital investments and, potentially, construction savings through factory fabrication. However, new economic and technical challenges accompany the many attractive features offered by AdvSMR designs. Specifically, the modest power output of AdvSMRs does not provide the economy of scale afforded by large reactors. In addition, many of the AdvSMR designs operate at much higher temperatures than lightwater reactors and require instrumentation to withstand harsh, in-vessel environments arising from unconventional, chemically aggressive coolants and unique reactor system configurations.Addressing these I&C challenges will be critically important to the AdvSMR development program to ensure the viability and future success of advanced reactor designs. Solutions will likely be found through evolution of conventional reactor technology, and the development of entirely new concepts. Early pressure/boiling water reactors used conventional I&C technologies (e.g., thermocouples, ionchambers, strain-gauge pressure sensors) to satisfy design requirements. Because these technologies worked well in the relatively low-temperature reactor designs, the demand for alternate I&C technologies was limited. At the time, optical-based reactor monitoring concepts were g...

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Čerenkov Radiation

Cited by 72 publications

References 1 publication

Relativistic Generalization of the Landau Criterion as a New Foundation of the Vavilov-Cherenkov Radiation Theory

Relativistic Generalization of the Landau Criterion as a New Foundation of the Vavilov-Cherenkov Radiation Theory

The discovery of the Cherenkov radiation

Technical Readiness and Gaps Analysis of Commercial Optical Materials and Measurement Systems for Advanced Small Modular Reactors

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