Magnesium Boron Particle Fuel Blend for Aerospace Range
Solution Overview
Problem
Existing fuels for aerospace vehicles, such as air-launched decoys and cruise missiles with air-breathing turbine power plants, face limitations in increasing range due to challenges in enhancing energy density and ignition characteristics, particularly with external fuel tanks compromising lift-drag ratio and maneuverability.
Innovation Solution
A fuel blend comprising a hydrocarbon-based fuel and particles of magnesium and boron, with a specific composition and size distribution, is developed to increase the fuel's energy density and ignitability, including the use of surfactants and dispersants to maintain particle suspension and improve viscosity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If external fuel tanks are added to increase range, then the amount of fuel carried is increased, but the lift-drag ratio and maneuverability are reduced
Solution Approach 1:
The invention merges the fuel storage function with the existing vehicle structure by incorporating high-energy-density fuel particles directly into the fuel system, eliminating the need for separate external fuel tanks while maintaining increased fuel capacity and range
2Use of energy by moving object
If conventional fuels are used, then the fuel system is simple, but the energy density and ignition characteristics are insufficient for extended range
Solution Approach 1:
The invention uses composite fuel particles comprising magnesium and boron in specific ratios (14-28 wt% magnesium, 70-90 wt% boron) with controlled size distributions (10-500 micrometers), creating a multi-component fuel system that achieves superior energy density and ignition characteristics while maintaining manageable formulation complexity through standardized particle specifications
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The fuel blend achieves a higher gravimetric energy density and improved combustibility, enhancing the range and performance of aerospace vehicles by providing a more efficient and stable combustion process.
Implementation Method 1
the fuel blend comprises a hydrocarbon based fuel and particles that comprise magnesium and boron... the fuel blend achieves a higher gravimetric energy density and improved combustibility, enhancing the range and performance of aerospace vehicles by providing a more efficient and stable combustion process
Implementation Method 2
the fuel blend further comprises at least one of a surfactant and a dispersant... the surfactant comprises succinimides, poly-isobutylene succinimide, octylamine, trioctylamine, sorbitan trioleate, a non-ionic surfactant that includes hydrophilic polyethylene oxide chains on a hydrocarbon oleophilic group
Implementation Method 3
the dispersant comprises CaCO3 microcrystals 'coated' with an alkylsulfonate wetting agent... the dispersant is present in an amount of 1 to 15 wt %, based on a total weight of the fuel blend
Data Source
AI summary
Disclosed herein is a fuel blend comprising a hydrocarbon based fuel; and particles that comprise magnesium and boron. Disclosed herein too is a method comprising blending a composition comprising a hydrocarbon based fuel and particles that comprise magnesium and boron to form a fuel blend.