题目如下: 1、Thermosyphon circulation in solar collectors Solar Energy, Volume 24, Issue 2, 1980, Pages 191-198 G. L. Morrison, D. B. J. Ranatunga 2、Long term performance of thermosyphon solar water heaters Solar Energy, Volume 30, Issue 4, 1983, Pages 341-350 G. L. Morrison, C. M. Sapsford 3、Simulation of the long term performance of thermosyphon solar water heaters Solar Energy, Volume 33, Issue 6, 1984, Pages 515-526 G. L. Morrison, H. N. Tran 4、System modeling and operation characteristics of thermosyphon solar water heaters Solar Energy, Volume 34, Issues 4-5, 1985, Pages 389-405 G. L. Morrison, J. E. Braun