Thermal, Propulsion & Energy

In the world of marine propulsion, waterjet systems are increasingly gaining recognition for their unique advantages over traditional propeller-driven systems. Unlike conventional propellers, which rely on spinning blades to push water backward and generate forward thrust, waterjets utilize a high-thrust stream of water to propel the vessel. This method not …

The global economy relies heavily on the uninterrupted operation of cargo ships, which transport over 80% of the world’s traded goods. Yet, these massive vessels can face unexpected mechanical or navigational challenges, including the loss of propulsion, steering, or power. Such incidents can pose significant risks to the safety of …

Introduction Batteries have emerged as the cornerstone of modern military strategy, underpinning a diverse array of platforms from land vehicles and soldier-carried devices to aerial drones and naval systems. As technology advances, the shift from traditional fuel sources to advanced battery systems is transforming military operations by delivering longer endurance, …

The United States Department of Defense is pioneering a transformative new approach to satellite propulsion with the DARPA OTTER program, which seeks to unlock the future of space operations through innovative “air-breathing” electric propulsion systems. These technologies are specifically designed to support operations in Very Low Earth Orbit (VLEO) – …

The Air Force Research Laboratory (AFRL) is spearheading a transformative effort to integrate modular propulsion systems into small satellite architectures. This initiative, termed MODPROP, seeks to standardize interfaces between satellite buses and propulsion units, enabling rapid integration, upgrades, and mission flexibility. By developing this modular approach, AFRL aims to streamline …

The Military Vehicle Electrification Market is experiencing rapid growth, driven by technological advancements and strategic defense initiatives. The global military vehicle electrification market size was valued at USD 4.86 billion in 2024. It is projected to reach from USD 5.77 billion in 2025 to USD 22.58 billion by 2033, growing at a CAGR of 18.6% during the …

Otto Aviation, a leader in the development of cutting-edge aviation technologies, has announced an exciting new project in collaboration with the Defense Advanced Research Projects Agency (DARPA). In the fourth quarter of fiscal 2025, Otto will begin testing a new demonstrator aircraft equipped with its revolutionary super-laminar design technology, a …

As cities worldwide grapple with the challenges of pollution, climate change, and population growth, clean and efficient public transportation is emerging as a crucial part of the solution. Among the innovative technologies reshaping the urban transit landscape is the hydrogen-powered train. Quiet, eco-friendly, and efficient, hydrogen trains promise to transform …

In the quest for more efficient and powerful propulsion systems, researchers and engineers are turning to an innovative concept that has the potential to revolutionize both jet and rocket engines: Rotating Detonation Engines (RDEs). RDE technology is an emerging solution in the field of propulsion, promising to enhance performance, reduce …