Abstract: This paper takes the power system of distributed electric propulsion aircraft as the research object and studies the influence of vortex generator on the power system. The results show that ...

The men and women that keep Navy fighters, tiltrotors and helicopters flying from the aircraft carrier USS George Washington returned home Thursday after six months at sea. The engine mechanics, ...

Boston has seen just one day so far this month where the average temperature was above the seasonal norm, daring me to ask — are you over the cold yet? Astronomical winter hasn’t even arrived (that ...

An Arctic air blast will bring frigid temperatures to the central and eastern United States this weekend, including Tennessee. Overnight temperatures in Tennessee are expected to drop into the 20s and ...

A weakened polar vortex is expected to bring extremely cold Arctic air to the central and eastern U.S. Temperatures in parts of Minnesota are forecast to drop as low as –26°F over the weekend. The ...

Another round of bone-chilling air from the polar vortex could invade the central and northeastern US this weekend and potentially produce the first significant snowstorm of the season for the ...

Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a wrecking ball," said Weather Trader ...

A polar vortex is bringing another round of frigid, Arctic air to the Eastern United States. Temperatures across Tennessee are expected to drop into the low 20s and upper teens over the weekend. There ...

A shifting polar vortex is expected to bring three waves of Arctic air to the central and eastern U.S. Tennessee is forecast to experience winter weather, including a mix of snow and ice, in early ...

A polar vortex will bring arctic air and subzero temperatures to parts of the U.S. through the middle of the month, according to AccuWeather. This first of three likely rounds will impact the U.S.

Target’s Cyber Monday sale is officially underway, and this year’s savings are especially strong for anyone upgrading their kitchen or shopping for practical holiday gifts. Shoppers can take an extra ...

For under $60, this space-saving air fryer solves every problem I had with my old convection oven. A week later, Instant Pot’s newest air fryer, the 4-Quart Vortex Mini, arrived for testing right when ...