Modern Engineering Marvels on MSN

The hidden metal fatigue risk aging cargo jets still carry at takeoff

Takeoff remains the moment when a long-serving freighter asks the most of its structure. On tri-jets descended from the DC-10 ...

ISRO's CE20 cryogenic engine passes 22-tonne thrust test, boosts LVM3 capability for future mission

ISRO successfully conducted a sea-level hot test of its CE20 cryogenic engine at 22-tonne thrust at the ISRO Propulsion Complex in Mahendragiri, Tamil Nadu. The test featured a nozzle protection ...

ISRO conducts successful sea-level hot test of CE20 Cryogenic Engine at 22-Tonne thrust

ISRO successfully conducted a sea-level hot test of its Cryogenic Engine (CE20) at 22-tonne thrust using the Nozzle Protection System (NPS) and a multi-element igniter on March 10, 2026, at the ISRO ...
GM Authority

GM Keeping A Close Eye On Duramax Diesel LZ0 Engine Issues

Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, General Motors recently issued a new Technical Service Bulletin aimed at ...
IEEE

Cascaded Displacement–Flux Density Control of the Thrust Magnetic Bearings Based on an Effective Inductance-Based Eddy Current Compensation Model

Abstract: Due to the inherent nonlinear characteristics and stability limitations, magnetic bearings can’t be applied in high-precision systems directly such as precision reconnaissance satellites and ...
IEEE

Polynomial-Demodulated Extracting Transform and Application to Bearing Fault Diagnosis

Abstract: Time–frequency analysis (TFA) is a powerful tool for handling bearing vibration signals. The polynomial chirplet transform (PCT) can effectively highlight the time-varying characteristics of ...
C&EN

A Review on Acoustic Detection and Monitoring Technologies for Hydrate-Bearing Sediments: Bridging Laboratory Insights to Field Applications

Hubei Key Laboratory of Marine Geological Resources, China University of Geosciences, Wuhan 430074, China College of Marine Science and Technology, China University of Geosciences, Wuhan 430074, China ...