Abstract: Low natural gas prices offer an opportunity to expand the use of this fuel in new sectors, such as powering long-haul trucks. The non-return-to-base nature of long-haul trucks requires a large natural gas refueling ...

Abstract: Porous material–inspired noise reduction has been proved to be an effective method to reduce airfoil self-noise during the last few decades. However, the used porous materials in previous studies generally have homogenous ...