TY - JOUR
TI - Distributed parameter modeling and thermal analysis of a spiral water wall in a supercritical boiler
AU - Zheng Shu
AU - Luo Zixue
AU - Zhou Huaichun
JN - Thermal Science
PY - 2013
VL - 17
IS - 5
SP - 1337
EP - 1342
PT - Article
AB - In this paper, a distributed parameter model for the evaporation system of a  supercritical spiral water wall boiler is developed based on a 3-D  temperature field. The mathematical method is formulated for predicting the  heat flux and the metal-surface temperature. The results show that the  influence of the heat flux distribution is more obvious than that of the heat  transfer coefficient distribution in the spiral water wall tube, and the peak  of the heat transfer coefficient decreases with an increment of supercritical  pressure. This distributed parameter model can be used for a 600 MW  supercritical-pressure power plant.