energy ratio of a wind tunnel
1Wind tunnel — A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects.Ways that wind speed and flow are measured in wind tunnels: * Threads can be attached to the surface of study objects to… …
2Supersonic wind tunnel — A supersonic wind tunnel is a wind tunnel that produces supersonic speeds (1.2 …
3Compact wind acceleration turbine — Compact Wind Acceleration Turbines (CWATs) are a class of wind turbine that uses structures to accelerate wind before it enters the wind generating element.[1] The concept of these structures has been around for decades [2] but has not gained… …
4Atmospheric reentry — refers to the movement of human made or natural objects as they enter the atmosphere of a planet from outer space, in the case of Earth from an altitude above the edge of space. This article primarily addresses the process of controlled reentry… …
5Aerodynamics — is a branch of dynamics concerned with studying the motion of air, particularly when it interacts with a moving object. Aerodynamics is closely related to fluid dynamics and gas dynamics, with much theory shared between them. Aerodynamics is… …
6Paper plane — This article is about toy aircraft fashioned from paper. For other uses, see Paper plane (disambiguation). Instructions for a traditional paper plane. A paper plane, paper aeroplane (UK), paper airplane (US), paper glider, paper dart or dart is a …
7Gas — This article is about the physical properties of gas as a state of matter. For the uses of gases, and other meanings, see Gas (disambiguation). Ga …
8MythBusters (2009 season) — Country of origin Australia United States No. of episodes 23 (includes 3 specials) Broadcast Original channel …
9Aviation history — deals with the development of mechanical flight, from the earliest attempts in kite powered and gliding flight, to powered heavier than air flight, and beyond. Humanity s desire to fly possibly first found expression in China, where people flying …
10Hydroelectricity — The Gordon Dam in Tasmania is a large hydro facility, with an installed capacity of 430 MW …
