government, the Department of Defense (DoD) ranks highest in both total energy use (79% of total U.S. government) and petroleum consumption (nearly 92% of total) 1 . Since the early 1990s, the government has taken steps to strengthen the nation’s energy security, lower emissions, an...
The KPMG report also ranks Atlanta, Chicago, Dallas–Ft. Worth, Miami, and San Francisco among the “top 10” cities with potential air taxi demand; however, our analysis ranks those cities lower, particularly for Dallas–Ft. Worth, Miami, Chicago, and San Francisco. The difference in ...
The ‘S’-shaped rib with gap shows the second most in efficiency growth, and the twisted tape ranks the third in the improvement of efficiency. Table 1. Some optimization on the roughness of absorber of FPSACs studied by various researchers. Refs.ConfigurationShape viewI (W/m2)Ac (m2)...