Cq constant Cgyy effective heat capacity of the particles, {JIKgK) Cjjii Constant for heat transfer correlation-II for a moving sphere C^2 Constant for heat transfer correlation-II for a moving sphere C^3 Constant for heat transfer correlation-II for a moving sphere ^m4 Constant for heat transfer correlation-II for a moving sphere Constant for heat transfer correlation-II for a moving sphere ^mml Constant for heat transfer correlation-III for a moving sphere ^mm2 Constant for heat transfer correlation-III for a moving sphere ^mmZ Constant for heat transfer correlation-III for a moving sphere ^mm4 Constant for heat transfer correlation-III for a moving sphere xxxiv C-p specific heat of the glass particles, [JjKg K)