Advanced Automotive Technology: Visions of a Super-Efficient Family Car
sodium-sulfur battery is illustrative. Early prototype batteries were available during the late- 1980s and tested by Mercedes an ...
other types of cells are viewed as having more difficult problems in adapting to light-duty vehicle requirements. Solid oxide fu ...
hydrogen storage or an electric motor, and thus should not be compared directly to the costs of an internal combustion engine dr ...
a requirement that implies some minimum water pumping--and power--requirements. Auto manufacturers believe that the focus of res ...
Third, the presence of CO and C0 2 in the input fuel stream poses significant problems for the fuel cell stack and removing thes ...
Methanol Fuel Cells. The direct methanol fuel cell (DMFC) uses methanol at the fuel cell anode, rather than reforming it to hydr ...
polarized liquid layer that forms when voltage is applied between two electrolyte. A key characteristic is their high power dens ...
power densities 10 percent lower than those quoted for a cell. The basic cells have also exhibited long life (over 100,000 charg ...
flywheels with energy densities of over 130 Wh/kg, and power densities that can be tailored to over 1 kW/kg. AFS also claims tha ...
special types such as the switched reluctance motor. The major advantages of the series-wound or separately excited DC motors ar ...
stator winding to create a reverse magnetic force or by using electronic phase advance.^129 The field-weakening requirement redu ...
example is provided in figure 3-5.^135 These plots, however, are sometimes generated for a constant input voltage, whereas the v ...
resolved, and also believe that the cost of power electronics cannot be reduced as dramatically as claimed. Nevertheless, these ...
advantages in emissions and small advantages in fuel economy over gasoline/diesel, their properties and benefits have received s ...
the tank volume is 107 gallons, and its weight is 225 lbs. Increasing tank pressure leads to greater safety problems and increas ...
Hydrogen can be used directly in engines or in fuel cells. When used in conventional IC engines, the combustion properties of hy ...
advanced ceramic recuperators, and ceramic turbine blades capable of operating at very high temperature. A simple, all metal sin ...
is made smaller, turbine and compressor tip leakage, boundary layer effects, and aerodynamic friction become a larger part of ov ...
The Stirling engine is potentially better suited to constant speed/load applications, and could conceivably have peak efficiency ...
at ambient temperatures of 45°C (113°F). Improved systems could provide a benefit of 5 to 6 percent under urban driving conditio ...
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