Power Generating System Using Thermal Expansion of Working Fluid
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Solution Overview
Problem
The increasing demand for energy, particularly electrical energy, is challenged by rising prices and declining fossil fuel reserves, necessitating a system that can extract work inexpensively without additional fossil fuels, especially in environments where traditional methods like combustion are limited or unavailable, such as in developing regions or spaces with restricted heat transfer.
Innovation Solution
A system and method that involves a vessel with a working fluid heated by a heating device to expand, with a conversion tool extracting work from the expanded fluid, allowing for the generation of electricity or mechanical output without requiring complex equipment or additional fossil fuels, and capable of operating in environments with limited heat transfer like convection or conduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional combustion methods are used to generate energy, then power output can be achieved, but the system requires oxygen, exhaust capabilities, and becomes unavailable in certain environments
Solution Approach 1:
The patent replaces combustion-based thermal systems with a direct thermal expansion mechanism. Instead of using combustion to heat fluid and drive turbines, the system uses direct solar heating or other thermal sources to expand a working fluid (liquid or gas) that directly drives a conversion tool, eliminating the need for combustion chambers, exhaust systems, and oxygen supply mechanisms.
Solution Approach 2:
The patent extracts and removes the combustion-related components (oxygen supply, exhaust systems, combustion chambers) from the energy generation system, retaining only the essential thermal-to-mechanical conversion elements. This allows the system to operate in environments where combustion is not feasible while maintaining power generation capability.
2Adaptability or versatility
If conventional heat transfer methods (convection, conduction) are used, then heating efficiency can be maintained, but the system cannot operate in environments where these methods are limited or unavailable
Solution Approach 1:
The patent changes the heat transfer parameter from requiring convection or conduction to utilizing thermal radiation directly. The working fluid is heated through radiation absorption, allowing the system to operate in vacuum or low-density environments where convection and conduction are ineffective, thereby maintaining operational reliability across diverse environments.
3Productivity
If expensive and complicated equipment is used for work extraction, then efficiency can be improved, but the system becomes costly and complex
Solution Approach 1:
The patent utilizes phase transitions of the working fluid (liquid to gas expansion, or gas to liquid condensation) as the core mechanism for work extraction. This eliminates the need for complex turbines, pistons, or other mechanical conversion devices, achieving efficient work extraction through the natural expansion forces of phase-changing fluids while keeping the equipment simple and cost-effective.
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 solution enables the efficient extraction of work from thermal energy, particularly through radiation, providing a reliable and cost-effective means of generating electricity or mechanical power in various environments, including those with restricted heat transfer, thus addressing the energy demands and limitations of traditional methods.
Implementation Method 1
a heating device in thermal communication with the portion of the working fluid in the vessel for heating the portion of the working fluid in the vessel
Implementation Method 2
a system that can extract useful work from thermal energy transferred by radiation (e.g., alone) can be beneficial
Data Source
AI summary
A system for extracting work from the expansion of a working fluid includes a vessel having at least a portion of the working fluid, a heating device in thermal communication with the portion of the working fluid in the vessel for heating the portion of the working fluid in the vessel and expanding the working fluid, and a conversion tool. The conversion tool is in fluid communication with the vessel and is configured to receive working fluid from the vessel when the working fluid expands. The conversion tool is further configured to extract work from the expanded working fluid.