THERMAL SCIENCE

International Scientific Journal

Authors of this Paper

External Links

Shu Zheng

,

Zixue Luo

,

Huaichun Zhou

DISTRIBUTED PARAMETER MODELING AND THERMAL ANALYSIS OF A SPIRAL WATER WALL IN A SUPERCRITICAL BOILER

ABSTRACT
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.
KEYWORDS
distributed parameter model, evaporation system, supercritical boiler, spiral water wall
PAPER SUBMITTED: 2013-01-18
PAPER REVISED: 2013-04-26
PAPER ACCEPTED: 2013-06-02
PUBLISHED ONLINE: 2013-12-28
DOI REFERENCE: https://doi.org/10.2298/TSCI1305337Z
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2013, VOLUME 17, ISSUE Issue 5, PAGES [1337 - 1342]
REFERENCES
  1. Yamagata, K., Nishikawa, K., Forced Convection Heat Transfer to Supercritical Water Flowing in Tubes, International Journal of Heat and Mass Transfer, 15 (1972), 12, pp. 2575-2593
  2. Yang, D., Pan, J., Experimental Investigation on Heat Transfer and Frictional Characteristics of Vertical upward Rifled Tube in Supercritical CFB Boiler, Experimental Thermal and Fluid Science, 35 (2011), 2, pp. 291-300
  3. Li, H., Huang, X., A Lumped Parameter Dynamic Model of the Helical Coiled Once-through Steam Generator with Movable Boundaries, Nuclear Engineering and Design, 238 (2008), 7, pp. 1657-1663
  4. Pan J., Yang D., Mathematical Modeling and Thermal-Hydraulic Analysis of Vertical Water Wall in an Ultra Supercritical Boiler, Applied Thermal Engineering, 29 (2009), 11-12, pp. 2500-2507
  5. Zhou, H. C., et al., Experimental Investigations on Visualization of Three-Dimensional Temperature Distributions in a Large-Scale Pulverized-Coal-Fired Boiler Furnace, Proceedings, 30th International Symposium on Combustion, Chicago, USA, 2005, Vol. 30, pp. 1699-1706
  6. Zheng, S., Luo, Z., Distributed Parameters Modeling for Evaporation System in a Once-Through Coal- Fired Twin-Furnace Boiler, International Journal of Thermal Sciences, 50 (2011), 12, pp. 2496-2505
  7. Chen, J. C., Correlation for Boiling Heat Transfer to Saturated Fluids in Convective Flow, Industrial and Engineering Chemistry Research, 5 (1966), 3, pp. 322-329
  8. Polyakov, A. F., Heat Transfer under Supercritical Pressures, Advanced in Heat Transfer 21 (1991), 1, pp. 1-51
  9. Zhu, X., Bi, Q. C., An Investigation on Heat Transfer Characteristics of Different Pressure Steam-Water in Vertical Upward Tube, Nuclear Engineering and Design, 239 (2009), 2, pp. 381-388
PDF VERSION [DOWNLOAD]
Distributed parameter modeling and thermal analysis of a spiral water wall in a supercritical boiler

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence