Aircraft Fuselage Cooling Layout for Component Overheating
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Solution Overview
Problem
There is a demand for an aircraft capable of suppressing overheating of components inside the aircraft with a simple configuration.
Innovation Solution
The aircraft is equipped with a cooling unit comprising a radiator and a cooling fan positioned forward of the engine, which supplies air from outside the fuselage to cool components inside, and an exhaust orifice positioned rearward of the engine to discharge heated air, preventing overheating of components by directing air flow away from the engine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If an engine is disposed inside the fuselage, then space utilization is improved, but overheating of components occurs
Solution Approach 1:
The fuselage interior is segmented into distinct zones: a forward cooling unit zone and a rearward engine zone. This spatial segmentation allows the cooling airflow path to be separated from the engine heat source, enabling the engine to be placed inside the fuselage while preventing its heat from affecting other components.
Solution Approach 2:
A cooling unit acting as an intermediary is introduced between the external environment and the engine. This cooling unit includes a radiator and cooling fan that generate a controlled airflow, serving as a mediator to protect the fuselage interior from engine heat while allowing the engine to operate inside the fuselage.
2Temperature
If additional cooling fans are added to suppress overheating, then component cooling is improved, but device complexity increases
Solution Approach 1:
The cooling unit is designed with multi-functionality, serving both to cool the engine and to protect other fuselage components from overheating. The single cooling unit with its radiator and fan creates a unified airflow system that simultaneously achieves multiple cooling objectives, eliminating the need for separate cooling fans for different components.
Solution Approach 2:
The cooling functions for the engine and other components are merged into a single integrated cooling unit. By combining the radiator and cooling fan into one system positioned forward of the engine, the patent creates a consolidated cooling approach that reduces the total number of cooling devices needed while maintaining effective temperature control.
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
This configuration effectively suppresses overheating of components inside the aircraft by utilizing air flow to cool engines and components, simplifying the aircraft's design by eliminating the need for additional cooling fans dedicated to these components.
Implementation Method 1
the cooling fan being configured to supply air outside the fuselage to the radiator
Implementation Method 2
the radiator being configured to cool at least one of a motor that generates a thrust on the aircraft or a power conversion device that supplies power to the motor
Implementation Method 3
the air delivered to the interior of the fuselage is discharged through the exhaust orifice
Data Source
AI summary
An aircraft including a fuselage with a cooling unit including a first radiator, a second radiator, a first cooling fan and a second cooling fan for taking air outside the fuselage into the fuselage and supplying air to the first radiator and the second radiator. The aircraft has an exhaust orifice for discharging air delivered into the interior of the fuselage, the cooling unit is arranged forward of the engine in the fuselage, and the exhaust orifice is positioned rearward of the engine in the fuselage.