instantaneous load
81Fuel economy-maximizing behaviors — (also known as green driving) describe techniques that drivers can use to optimize their automobile fuel economy. The energy in fuel consumed in driving is lost in many ways, including engine inefficiency, aerodynamic drag, rolling friction, and… …
82Class-D amplifier — Block diagram of a basic switching or PWM (class D) amplifier A class D amplifier or switching amplifier is an electronic amplifier where all power devices (usually MOSFETs) are operated as binary switches. They are either fully on or fully… …
83Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge …
84Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
85Three-phase — This article deals with the basic mathematics and principles of three phase electricity. For information on where, how and why three phase is used, see three phase electric power. In electrical engineering, three phase electric power systems have …
86Energy demand management — Energy portal Energy demand management, also known as demand side management (DSM), is the modification of consumer demand for energy through various methods such as financial incentives and education. Usually, the goal of demand side management… …
87Network performance management — Contents 1 Factors affecting network performance 2 The performance management discipline 3 Network performance management tasks and classes of tools 4 See …
88Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …
89Airport — For other uses, see Airport (disambiguation). Pulkovo Airport in Saint Petersburg, Russia (2005) …
90Smells Like Teen Spirit — Single by Nirvana from the album Nevermind …
