The issue of freezing often occurs when using all-glass vacuum tube solar water heaters during cold winter seasons. leading to problems such as pipe ruptures and tank leakage. In order to further study the nocturnal heat dissipation and freezing characteristics of these heaters. a three-dimensional transient numerical model of their nocturnal heat dissipation was established. https://parisnaturalfoodes.shop/product-category/71-sweet-vanilla-choc-bar/