Shallow Draft Marine Raft for Shallow Water Science Surveys
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Solution Overview
Problem
Conventional marine crafts, such as boats and barges, are unsuitable for performing marine science surveys in shallow subtidal zones due to their size, fragility, and inability to navigate through dense ecosystems, making it difficult to access important natural resources like mangroves, seagrass, and coral reefs.
Innovation Solution
A lightweight, portable, and inexpensive shallow draft marine raft with a bow, stern, and curved hull sides, designed for easy transportation and stability, utilizing longitudinal stringers and buoyancy materials to maintain a shallow draft and support heavy loads, allowing for scientific surveys in shallow waters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional boats with V-bottom hulls are used, then they can navigate in deeper waters, but they cannot access shallow subtidal zones
Solution Approach 1:
The patent changes the draft depth parameter by designing a flat-bottomed hull configuration with a draft of only 0.5 to 1.0 feet, enabling the raft to navigate shallow subtidal zones that conventional V-bottom hulls cannot access
2Stability of the object's composition
If conventional barges are used, then they provide stability, but they are too large to be transported by land vehicles
Solution Approach 1:
The raft is designed as a modular structure with separate components (hull, deck, equipment) that can be easily assembled and disassembled, allowing it to be transported by land vehicles while maintaining stability when deployed
Solution Approach 2:
The raft utilizes a flexible hull construction with curved hull sides that provide stability through hydrodynamic shape rather than rigid structure, enabling easy transportation while maintaining operational stability
3Device complexity
If boards are used, then they are portable, but they are fragile and require balance and concentration to load and transport heavy material
Solution Approach 1:
The raft employs composite construction combining rigid hull components with flexible deck elements, creating a structure that is both portable and capable of carrying heavy scientific equipment without requiring balance skills
4Ease of operation
If conventional small boats are used, then they can transport equipment, but they require loading ramps that are not available in many locations
Solution Approach 1:
The raft's modular design allows equipment to be loaded directly onto the deck from the shore without requiring ramps or complex loading mechanisms, providing ease of operation in diverse ecosystems
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
Enables effective marine science surveys in shallow subtidal zones by providing a stable and transportable platform for carrying equipment and samples, facilitating access to previously inaccessible coastal areas with a shallow draft and high load capacity.
Implementation Method 1
utilizing longitudinal stringers and buoyancy materials to maintain a shallow draft and support heavy loads
Data Source
AI summary
A shallow draft sampling raft including a bow, and a stern, in which the bow is an opposite end of the raft from the stern. The raft also includes a top surface, a bottom surface, and a plurality of longitudinal stringers. The plurality of longitudinal stringers are attached to an inner face the bottom surface and run from the bow to the stern. A top surface is also attached to the longitudinal stringers.