Heat transfer always occurs from a region of high temperature to another region of lower temperature. Heat transfer changes the internal energy of both systems involved according to the First Law of Thermodynamics.
Cyperus esculentus (also called chufa sedge, nut grass, yellow nutsedge, tiger nut sedge, or earth almond) is a crop of the sedge family widespread across much of the world.It is native to most of the Western Hemisphere as well as southern Europe, Africa, Madagascar, the Middle East and the Indian Subcontinent.n Spain, C. esculentus is cultivated for its edible tubers, called earth almonds or tiger nuts, for the preparation of  horchata de chufa, a sweet, milk-like beverage. However, in most other countries, C. esculentus is considered a weed.
The distinctive pattern of Tiger Maple is dervied in the wood's growth and what creates it's unique figure. It's unique pattern usually travels across the grain and appears to resemble stripes, waves or small flames. Tiger maple is also often referred to as curly maple or flame maple.Tiger maple is a temperate hardwood tree that grows mostly in the eastern United States and Canada and comes from the red maple tree, An interesting fact is that, not all maple trees produce tiger maple wood.The intensity, consistency and size of the pattern is what determines the grade or quality of Tiger Maple.iger maple is a temperate hardwood tree that grows mostly in the eastern United States and Canada and comes from the red maple tree, An interesting fact is that, not all maple trees produce tiger maple wood. The intensity, consistency and size of the pattern is what determines the grade or quality of Tiger Maple.