傳熱學專業(yè)英語詞匯(編輯修改稿)
2025-04-30 23:24 本頁面
【文章內(nèi)容簡介】 Conduction主要內(nèi)容1. Concepts: control volume (energy balance) method、 finite difference method、discretization、 node、space step、time step、mesh Biot number、mesh Fourier number、mirror image concept、explicit/implicit method、stability criterion (primary coefficients 179。0) Numerical error: 1) discretization/truncation error。 2) roundoff error2. Methods:Numerical solution:1) Discretization in space and time (Dx, Dt)。2) Build all nodes’ finite difference formulations (including interior and boundary nodes)。 i. Finite difference method ii. Energy balance method (. Control Volume method)3) Solution of nodal difference eqs. of heat conduction。 i. Direct method: Gaussian Eliminationii. Iterative method: GaussSeidel iteration主要專業(yè)詞匯control volume 控制容積 finite difference有限差分 Taylor series expression泰勒級數(shù)展開式mirror image concept 鏡像法 Elimination method 消元法direct/iterative method 直接/迭代方法 explicit/implicit method 顯式/隱式格式stability criterion 穩(wěn)定性條件 primary coefficients 主系數(shù) unconditionally 無條件地 algebraic eq. 代數(shù)方程discretization/truncation error 離散/截斷誤差 roundoff error 舍入誤差Chapter 7 Forced Convection and Natural Convection主要內(nèi)容1. Concepts: Nu、Re、Gr、PrForce/natural convection、external/internal flow、velocity/thermal boundary layerflow regimes、laminar/turbulent flowhydrodynamic/thermal entry region、fully developed regionCritical Reynolds Number (Rec)、hydraulic diameter (Dh)、film temperature (Tf)、bulk mean fluid temperature (Tb) logarithmic mean temperature difference ( DTln)volume expansion coefficient (β = 1/T)effective thermal conductivity (Keff = KNu)2.
外語相關(guān)推薦
鄂ICP備17016276號-1