Radiative Heat Loss Correction for 3-Body Graphite Calorimeters

• Authors: C. Ionita , D. Radu , I. Astefanoaei
• Languages of publication: EN

Abstracts

EN

For a 3-body Domen-type absorbed-dose graphite calorimeter a refined ordinary differential equation model is developed taking into account the heat loss through radiation from the surface of all three bodies. The new reduced heat transfer coefficients, K_{i}*, i = 1, 2, 3 were defined and the associated calculated heat loss correction factors F_{C}* and F_{C+J}* were determined. The total energy lost by radiation from the core surface was evaluated for both heating and post heating periods as being 31.35% from the total core heat loss (and up to 1.1% from the total energy delivered to the core during the heating time). A new correction factor for heat loss through radiation from the calorimeter bodies' surfaces was introduced and calculated as being k_{SB} ≈ 0.9996.

Keywords

EN

29.40.Vj; 44.40.+a

Discipline

• 44.40.+a: Thermal radiation
• 29.40.Vj: Calorimeters

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 118
• Issue: 4
• Pages: 550-562

Dates

published

2010-10

received

2009-05-20

(unknown)

2010-06-02

Contributors

author

C. Ionita

• S.C. Explora Rx S.R.L., Computer Tomography Clinic, Str. Eternitate, 45, 700304, Iasi, Romania

author

D. Radu

• Department of Solid State and Theoretical Physics, Faculty of Physics, Univ. "Al.I. Cuza", Blvd. Carol I, 11, 700506, Iasi, Romania

author

I. Astefanoaei

• Department of Solid State and Theoretical Physics, Faculty of Physics, Univ. "Al.I. Cuza", Blvd. Carol I, 11, 700506, Iasi, Romania

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Identifiers

DOI

10.12693/APhysPolA.118.550