Aeronautics is the study of the science of flight. Aeronautics is the method of designing an airplane or other flying machine. There are four basic areas that aeronautical engineers must understand in order to be able to design planes. To design a plane, engineers must understand all of these elements.
Ch 6, Lesson B, Page 3 - Review: Types of Thermodynamic Cycles. 1  Whatâs going on inside the system depends on the purpose of the cycle. 2  You probably recall the three types of cycles from Lesson 4F, but it has been a while. 3  The three types of thermodynamic cycles are: power cycles, refrigeration cycles and heat pump cycles.
Biogeochemical cycle. A commonly cited example is the water cycle. In Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through both the biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) components of Earth.