[PDF][PDF] Feasibility of Extremely Heavy Lift Hot Air Balloons and Airships
MV Shubov - researchgate.net
State of art airships and aerostats use hydrogen and helium as lifting gases. Hydrogen is
extremely flammable, while helium is both rare and expensive. For aerial vehicles with gross …
extremely flammable, while helium is both rare and expensive. For aerial vehicles with gross …
[PDF][PDF] Turbulent fuel-air mixing investigations within a cavity based hydrogen inoculated scramjet combustor
S Vathsal - The Institution of Engineers (India), 2019 - ieindia.org
Flow field within the combustor of a scramjet engine is extremely complex and poses
considerable challenges in the design and development of operable free-flight supersonic …
considerable challenges in the design and development of operable free-flight supersonic …