Advancements in technology, such as modern-day inverters, continue to shape the HVAC industry, but one development set the ...

A federal judge ordered the Kennedy Center to take President Trump’s name off the building. What happens next? By Zach Montague and Julia Jacobs Skateboarders make pilgrimages from around the world to ...

Companies are ranked according to revenue for design services performed in 2020 in $ millions (*). Those with subsidiaries are indicated by (†). For information on subsidiaries and where each firm ...

Abstract: By comparing different schemes of centrifugal compressor, the influence of different design ideas on the performance of the compressor is analyzed. The results show that the impeller ...

Abstract: The magnetic screw is a kind of linear actuator that realizes the gearing action by the magnetic field of linear and rotary permanent magnets. However, the helical magnetic field constrains ...