A numerical analysis on radiation configuration factors of surface-model pigs to rectangular planes on gable roofs

• Project/Area Number: 20580287
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Agricultural information engineering
• Research Institution: Kagawa University
• Principal Investigator: MINOWA Masayoshi Kagawa University, 農学部, 教授 (90036088)
• Project Period (FY): 2008 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000); Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2008: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
• Keywords: 豚 / コンピュータグラフィックス / サーフェスモデル / 形態係数 / 数値解析 / 屋根内表面

Research Abstract

Thermal radiation configuration factors of a pig to a rectangular plane on a roof were numerically calculated by using three standing surface-model pigs, computer graphics and numerical integration methods. The surface-models with live weights of 27, 65 and 88kg were three-dimensional graphic pigs with many surface-mounted triangular patches. The figures for determining the factors were presented as a function of the dimensions of the plane with the pig body weight, the distance between the plane and the pig, and the inclined angle of the roof as parameters.