Solar Vapor Closed-Loop System for Cooling Unit Power Generation
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Solution Overview
Problem
Existing solar-powered cooling systems do not utilize a fully closed loop system that harnesses the power of the sun to generate vapor with high energy, expansion, and compressibility, effectively utilizing components like vapor expanders, compressors, and heat exchangers to generate work for powering cooling units and driving loads efficiently.
Innovation Solution
A solar-powered closed loop system that generates vapor using a solar energy collecting device, which is then carried through conduits to a vapor expander, compressor, gas-liquid heat exchanger, air-to-air heat exchanger, and vapor condenser, allowing for controlled expansion, compression, and conversion of vapor states to produce work for powering an air-to-air heat exchanger and driving a load, while efficiently recycling condensate back to the solar energy collecting device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If solar energy is used to generate vapor for powering cooling units, then energy loss from latent heat of vaporization is reduced, but the system complexity increases due to multiple components required for expansion, compression, and heat exchange
Solution Approach 1:
The system divides the vapor processing into distinct functional segments: a vapor expander for energy extraction, a compressor for state transformation, and heat exchangers for thermal energy transfer. Each component handles a specific aspect of vapor utilization, allowing the system to capture latent heat efficiently while maintaining manageable complexity through modular design.
Solution Approach 2:
The system leverages phase transitions of water (liquid to vapor and vapor to condensate) as the core mechanism for energy storage and transfer. By utilizing the latent heat of vaporization during phase change, the system reduces energy loss while the vapor expands and compresses through controlled phase transitions to drive the cooling cycle.
2Use of energy by moving object
If a fully closed loop system is implemented to harness solar power for cooling, then energy efficiency is improved through vapor expansion and compression, but the device complexity increases with multiple interconnected components
Solution Approach 1:
The system merges multiple functions into an integrated closed-loop configuration where the vapor expander, compressor, heat exchangers, and condensate return system work together as a unified thermal cycle. This combining of components enables efficient energy utilization by capturing waste heat and reusing it within the loop, improving overall energy efficiency despite the increased number of parts.
Solution Approach 2:
The closed-loop system incorporates feedback through the condensate return mechanism, where condensed vapor is returned to the solar energy collecting device to be reheated and re-vaporized. This feedback loop ensures continuous circulation of the working fluid, maintaining system efficiency by preventing energy loss and enabling sustained operation without external intervention.
3Power
If vapor expanders and compressors are used to generate work for powering cooling units, then power output is improved, but the manufacturing complexity increases
Solution Approach 1:
The system employs pneumatic principles by using vapor as a working fluid to drive the expander and compressor mechanisms. The vapor's pressure and expansion characteristics are harnessed to generate mechanical work, eliminating the need for complex electrical or mechanical power transmission systems and simplifying manufacturing while maintaining high power output 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
This system efficiently harnesses solar energy to power cooling units by utilizing the latent heat of vaporization, reducing energy loss and providing a sustainable method for cooling and energy generation, suitable for various applications including manufacturing and agriculture.
Implementation Method 1
harnesses the power of the sun with a solar energy collecting device to generate vapor
Implementation Method 2
the vapor has characteristics of high energy, expansion, and compressibility that enable travel through a plurality of conduits in the closed loop
Implementation Method 3
use of: a vapor expander, a compressor, a gas-liquid heat exchanger, an accumulator, an air-to-air heat exchanger, and a vapor condenser; whereby, through expansion, compression, and conversion different states of the vapor are controllably generated
Implementation Method 4
a gas-liquid heat exchanger, an air-to-air heat exchanger
Implementation Method 5
energy release from the vapors and gases produces work
Implementation Method 6
produces condensate through use of: a vapor expander, a compressor, a gas-liquid heat exchanger, an accumulator, an air-to-air heat exchanger, and a vapor condenser
Implementation Method 7
The present invention reduces that loss by utilizing a significant portion of the latent heat of vaporization to produce power
Data Source
AI summary
A solar powered closed loop system and method for powering a cooling unit. The system and method provide a fully closed system that harnesses the power of the sun with a solar energy collecting device to generate vapor. The vapor has characteristics of high energy, expansion, and compressibility that enable travel through a plurality of conduits in the closed loop. The system generates vapor, carries the vapor and resultant gas, expands energy, and produces condensate through use of: a vapor expander, a compressor, a gas-liquid heat exchanger, an accumulator, an air-to-air heat exchanger, and a vapor condenser. Thus, through expansion, compression, and conversion different states of the vapor are controllably generated and disbursed for work. The work generated from the expansion and energy release from the vapors and gases produces work for powering the air-to-air heat exchanger, such as a cooling unit, and driving a load.