Nautilus Pressure Hull Structure for Deep-Sea Buoyancy Control
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Solution Overview
Problem
Current deep-sea submersibles face challenges in efficiently adjusting their buoyancy and navigating complex underwater topography, requiring tedious and environmentally polluting processes to dive and float, and lack effective pressure-resistant designs for harsh deep-sea conditions.
Innovation Solution
A deep-sea manned submersible with a nautilus shell-shaped pressure-resistant hull structure, featuring a propeller assembly, annular sliding channels, a brake disc, and a brake system, allowing for active bearing adjustment and braking, enabling convenient and rapid diving and floating, while providing enhanced hydrodynamic performance and pressure resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional buoyancy adjustment methods are used (abandoning heavy objects), then the submersible can float, but the process is tedious and pollutes the environment
Solution Approach 1:
The propeller assembly is designed to rotate around the main hull body, enabling dynamic adjustment of the submersible's bearing. This dynamic mechanism allows the submersible to actively adjust its orientation and buoyancy distribution, replacing the traditional static method of abandoning heavy objects for floating operations
Solution Approach 2:
The brake system with brake discs and brake components enables the propeller assembly to self-regulate its rotation and maintain position without external intervention. The submersible can control its own bearing adjustment and floating operations through this self-service braking mechanism, eliminating the need for tedious manual operations
2Adaptability or versatility
If the submersible needs to adjust bearing frequently, then navigation flexibility improves, but the process becomes complex and time-consuming
Solution Approach 1:
The propeller assembly integrates multiple functions including propulsion, bearing adjustment, and braking control into a single rotating structure. The brake discs are integrated with the propeller assembly, combining the braking function with the propulsion system. This merging reduces overall structural complexity while maintaining versatile bearing adjustment capabilities
Solution Approach 2:
The propeller assembly serves multiple purposes: it provides propulsion, adjusts the submersible's bearing, and works with the brake system for controlled positioning. The brake discs and brake components serve both the propeller assembly and can potentially control other rotating parts. This multi-functionality achieves adaptability without proportionally increasing complexity
3Adaptability or versatility
If the submersible operates in deep sea environments, then exploration capability improves, but pressure resistance requirements increase
Solution Approach 1:
The main hull body is designed with a curved, spherical-like structure that is inherently more resistant to pressure than flat or angular designs. The nautilus shell-shaped outer contour with smooth curves distributes pressure evenly across the hull surface, enhancing pressure resistance for deep sea operations
Solution Approach 2:
The pressure resistant hull appears to use composite construction methods, combining different materials and structural layers to achieve high strength-to-weight ratio. The intricate curved structure suggests advanced material composition designed to withstand extreme deep sea pressures while maintaining operational capability
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 nautilus shell-shaped submersible achieves better hydrodynamic power, increased freedom of movement, and improved pressure resistance, allowing for efficient navigation in complex deep-sea environments with high space utilization and reserve buoyancy.
Implementation Method 1
the brake is mounted on the propeller assembly and corresponds matchingly with the brake disc
Data Source
AI summary
A deep-sea manned submersible and a design method for a pressure resistant hull curved structure thereof, the deep-sea manned submersible comprising a main hull body, a propeller assembly, annular sliding channels, a brake disc, and a brake. Two annular sliding channels are provided, and are fixed symmetrically on two opposite side surfaces of the main hull body. The main hull body is inserted vertically through the upper surface of the propeller assembly, and by means of the two annular sliding channels is slidingly connected to the propeller assembly, such that the outer contour of the whole body formed by the impeller assembly and the main hull body takes a nautilus shell shape. The brake disc is of an annular shape, and fixed on an outer ring of the main hull body, and the brake is mounted on the propeller assembly and corresponds matchingly with the brake disc.