During deceleration and under braking, the electric motor acts as high - output generator to effect regenerative braking, optimizing energy management in the Lexus Hybrid Drive system by recovering kinetic energy (normally wasted as heat under braking and deceleration)
as electrical energy for storage in the high performance battery.
During regenerative braking, the motor also acts as a high - output generator, recovering kinetic energy
as electrical energy to charge the system battery.
Also, some of the energy used to overcome inertia and accelerate the vehicle — normally lost when the vehicle is slowed, to aerodynamic forces and rolling resistance as well to the mechanical brakes (as heat)-- may be recaptured
as electrical energy if regenerative braking is available (see the discussion of hybrid electric drive trains).
Normally wasted as heat, kinetic energy is recovered
as electrical energy for storage in the high performance battery.
Nitrogen - doped titanium dioxide absorbs visible sunlight and then releases
it as electrical energy to destroy certain organic molecules bound to its surface.
«The various «A» and «X» combinations already known make the «AX» structures highly attractive for a number of potential applications, such
as electrical energy storage and catalysis.»
Not exact matches
Electricity can be described
as «the flow of
electrical power,»
as the U.S. Department of
Energy (DOE) puts it.
Titles with the most job openings: Engineers, including sales engineers,
electrical, mechanical,
energy, industrial, software, safety, manufacturing and project engineers,
as well
as field service technicians.
• Trident Maritime Systems, a Virginia - based portfolio company of J.F. Lehman & Co., has agreed to acquire Callenberg Technology Group, a Swedish maker of HVAC,
electrical energy management and insulation systems for commercial and government vessels, from Wilhelmsen Maritime Services
AS.
The Meikle Wind
energy project will require concrete, steel,
electrical equipment and skilled workers to install turbines that stand
as tall
as 60 storeys.
Salas O'Brien was founded in 1975
as an
energy engineering firm with its core competencies in mechanical and
electrical engineering design.
Some scientists believe that an
electrical apocalypse could really occur, in the event of an electromagnetic pulse attack, described in one 2008 white paper
as «a high - intensity burst of electromagnetic
energy caused by the rapid acceleration of charged particles.»
Well I guess I will step out and show how crazy I really am but I look at God
as being pure
energy, our bodies, our minds, everything we see is driven by
energy and the «feeling» I spoke of is similar to an
electrical charge.
Energy Consumption: Meat processing facilities are major users of use energy to heat water and produce steam for process applications and for cleaning purposes, as well as for operation of miscellaneous electrical equipment, refrigeration, and air compre
Energy Consumption: Meat processing facilities are major users of use
energy to heat water and produce steam for process applications and for cleaning purposes, as well as for operation of miscellaneous electrical equipment, refrigeration, and air compre
energy to heat water and produce steam for process applications and for cleaning purposes,
as well
as for operation of miscellaneous
electrical equipment, refrigeration, and air compressors.
Every nation with nuclear capabilities, even with nuclear capability only to create
electrical energy, as Iran claims its desire is, must be under the spell of the International Atomic Energy inspection pr
energy,
as Iran claims its desire is, must be under the spell of the International Atomic
Energy inspection pr
Energy inspection program.
In the coming weeks, Cuomo will role out a separate clean
energy standard that will serve
as a roadmap to New York's renewable future, where 50 percent of the
electrical grid must come from solar, wind and other clean
energy sources by 2030.
As the state shifts toward renewable
energy, under a mandate to power half its
electrical grid with solar and wind by 2030, nuclear also supplies about 60 percent of its carbon - free power.
The Cuomo administration estimates the Clean
Energy Standard, chiefly its nuclear subsidies, will add an average of $ 2 to residential electric bills, although the Empire Center calculated the standard would hike the average residential bill by more than $ 2.09 in 2018 and by $ 3.40 in 2021 from added supply costs alone; compliance with the standard will necessitate major changes to the
electrical grid, which will separately drive up customer delivery charges
as utilities are forced to accommodate intermittent generation from solar panels and wind turbines.
With growing risks to the nation's
electrical grid from natural disasters and
as a potential target for malicious attacks, the U.S. Department of
Energy (DOE) and the U.S. Department of Homeland Security (DHS) should work closely with utility operators and other stakeholders to improve cyber and physical security and resilience, says a new congressionally mandated report by the National Academies of Sciences, Engineering, and Medicine.
A flywheel system would take the
electrical energy and store it
as mechanical
energy.
Boosting the fuel efficiency of motor vehicles by «harvesting» the
energy generated by their shock absorbers and feeding it back into batteries or
electrical systems such
as air conditioning has become a major goal in automotive engineering.
Before the collision could happen,
as scientists were trying to ramp up the current and
energy, something went wrong with a connection of the bus bar between magnets, creating an
electrical arc that punctured the helium enclosure and caused large quantities of liquid helium to be released (helium is necessary to cool the superconducting magnets that guide the beams around the ring).
Superconducting cables minimize
energy loss, and power - to - gas systems store excess
electrical generation
as hydrogen or methane.
In addition to being light and flexible, it can extract
electrical energy from human blood and sweat, making the device potentially usable
as a power source for tiny medical devices inside the human body.
As long as the pulse activates enough nerves it will have performed its role, but as each waveform uses a different amount of electrical energy, it's possible that implants could be putting out unnecessarily strong pulses that waste precious battery powe
As long
as the pulse activates enough nerves it will have performed its role, but as each waveform uses a different amount of electrical energy, it's possible that implants could be putting out unnecessarily strong pulses that waste precious battery powe
as the pulse activates enough nerves it will have performed its role, but
as each waveform uses a different amount of electrical energy, it's possible that implants could be putting out unnecessarily strong pulses that waste precious battery powe
as each waveform uses a different amount of
electrical energy, it's possible that implants could be putting out unnecessarily strong pulses that waste precious battery power.
Within these countries, nuclear
energy contributes on average 24 percent of their total
electrical power, ranging
as high
as 72 percent in France.
As they incessantly shake or spin or crawl around the cell, these machines cut, paste and copy genetic molecules, shuttle nutrients around or turn them into
energy, build and repair cellular membranes, relay mechanical, chemical or
electrical messages — the list goes on and on, and new discoveries add to it all the time.
Such new technology will enable advances in battery materials science, flexible battery charging rates, thermal and
electrical engineering of new battery materials / technology and it has the potential to help the design of
energy storage systems for high performance applications such
as motor racing and grid balancing.
«
As much as 15 percent of energy is lost to dissipation during transmission, so if you could make wires from this material and use them in the electrical grid, it could change that story.&raqu
As much
as 15 percent of energy is lost to dissipation during transmission, so if you could make wires from this material and use them in the electrical grid, it could change that story.&raqu
as 15 percent of
energy is lost to dissipation during transmission, so if you could make wires from this material and use them in the
electrical grid, it could change that story.»
The new system is also designed to allow a PHEV to use its battery
as an
energy storage device, enabling the car to hold
electrical energy in the battery while the grid has surplus power (during off - peak hours, for example) and contribute its surplus
energy back to the grid when the latter needs more power to meet peak demand, Su says.
Previously, researchers have produced hydrogen gas in microbial - powered, batterylike fuel cells, but only when they supplemented the
energy produced by the bacteria with
electrical energy from external sources — such
as that obtained from renewable sources or burning fossil fuels, says Bruce Logan, an environmental engineer at Pennsylvania State University, University Park.
Indeed, it is essential to determine luminous efficacy
as accurately
as possible so that such lamps can be introduced in the market that transform
as much
electrical energy into light useful to the human eye
as possible.
Using a resistor to convert
electrical charge to alternating current, Krupenkin was able to harvest
electrical energy from drops of either mercury or galinstan, a gallium - based alloy
as they were moved along these channels and over the electrodes.
When
energy is added to the material, either by a laser «pump» or
as an
electrical current, it kicks some of the electrons orbiting the molecules into higher
energy states.
The researchers discovered the high - tech material can act
as a microphone (by capturing the vibrations from sound, or mechanical
energy, and converting it to
electrical energy)
as well
as a loudspeaker (by operating the opposite way: converting
electrical energy to mechanical
energy).
As the shaft turns, it is able to do work and produce either mechanical or
electrical energy.
If
electrical energy can be used to modulate cell response, why not optical
energy as well, Boyden asks.
There may not yet be a market for underwater turbines or wave - riding
electrical generators designed to use ocean turbulence
as a source of renewable
energy, but that has not stopped a handful of entrepreneurs from trying to create one.
These 2D semiconductors feature the same hexagonal «honeycombed» structure
as graphene and superfast
electrical conductance, but, unlike graphene, they have natural
energy band - gaps.
Using an onboard source of
energy (such
as a battery, ultracapacitor, solar panel or any combination thereof), the electrodes will send an
electrical current into the plasma, causing the plasma to push against the neutral (noncharged) air surrounding the craft, theoretically generating enough force for liftoff and movement in different directions (depending on where on the craft's surface you direct the
electrical current).
These defects were observed by measuring tiny
electrical currents created when charges that were frozen in the traps at extremely cold temperatures escape by receiving a jolt of thermal
energy as the device is heated, a process called thermally stimulated current.
Baughman and his colleagues have been developing substances that serve
as artificial muscles (by converting chemical
energy into
electrical energy) that may someday be able to move prosthetic limbs and robot parts.
Fuel cells convert chemical
energy into
electrical energy using hydrogen and oxygen — with water
as the only product.
«Our work has fundamental contributions by introducing
electrical bias
as a way to control the phase of an active material, and by laying the basic scientific groundwork for such novel
energy and information processing devices,» Yildiz adds.
A spin wave can be thought of
as similar to an ocean wave, which keeps water molecules in essentially the same place while the
energy is carried through the water,
as opposed to an electric current, which can be envisioned
as water flowing through a pipe, said principal investigator Kang L. Wang, UCLA's Raytheon Professor of
Electrical Engineering and director of the Western Institute of Nanoelectronics (WIN).
Bettencourt and his colleagues at Arizona State University (A.S.U.), Dresden University of Technology in Germany and New Mexico's Santa Fe Institute, modeled the growth of a city according to three categories of factors: material infrastructure (road surfaces,
electrical cable, etc.), human needs (such
as total
energy consumption and housing) and patterns of social activity, including total bank deposits, research and development, new cases of AIDS and new patents filed.
Their work has implications for the development of novel electronic devices, such
as photo sensors that convert light into
electrical energy.
As a result, the engineered quantum dots feature nearly complete suppression of Auger effect's heat loss, and this allows for redirecting the
energy released by the
electrical current into the light - emission channel instead of wasteful heat.
We can also store the leftover renewable
energy in the form of compressed hydrogen for a later use when the
electrical demand is higher, or
as fuel for vehicles,» Serra adds.
As the pack bounces, it periodically runs a toothed rack across a gear attached to small generator on the fixed frame (see picture), thus converting the mechanical
energy of walking into
electrical energy.