Rotatable Rotor Mechanism for Enhanced Gas Cooling at Low Flow Rates
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Solution Overview
Problem
The complexity of vortex tube flow obscures the underlying physics, leading to a lack of concise understanding of the vortex tube effect, despite ongoing interest and numerous models proposed over 80 years, with existing technologies failing to efficiently achieve gas cooling and mechanical work at low flow rates.
Innovation Solution
A mechanism featuring a rotatable rotor with hollow conduits radiating from its center, where pressurized gas enters at the periphery and exits at the center, causing the rotor to rotate and cool the gas, with a thermally isolated conversion section to maximize work extraction and achieve enhanced cooling at low flow rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional vortex tube flow is used, then gas cooling can be achieved, but the complexity of the flow obscures the underlying physics and prevents efficient work extraction at low flow rates
Solution Approach 1:
The device segments the vortex tube flow into distinct functional zones: an inlet section where pressurized gas enters, a conversion section with radially arranged conduits where rotational energy is extracted, and a refrigeration section where cooling occurs. This segmentation allows each section to be optimized independently, improving work extraction efficiency while maintaining manageable complexity through modular design
Solution Approach 2:
The invention extracts the energy conversion function from the conventional vortex tube flow by introducing a separate rotatable rotor with conduits that radially radiate from the exit port. This extracted conversion section operates independently to maximize work extraction at low flow rates, while the remaining vortex tube flow continues to provide cooling without the complexity of integrated energy extraction
2Power
If existing turbine technology is used, then mechanical work can be produced, but the coefficient of performance and flow rate efficiency are insufficient
Solution Approach 1:
The rotor is designed to rotate dynamically about its central axis, with pressurized gas causing rotation as it passes through the radially arranged conduits from the inlet port to the exit port. This dynamic rotation allows the system to adapt to varying flow rates and maintain high coefficient of performance across different operating conditions, unlike static turbine designs
Solution Approach 2:
The invention changes the operational parameters by operating at low flow rates where conventional turbines are inefficient. The radially arranged conduits and rotating rotor are specifically designed to maximize energy extraction under these low flow rate conditions, achieving high coefficient of performance where traditional technology fails
3Temperature
If the conversion section is thermally connected to the refrigeration section, then heat transfer can occur, but this reduces the cooling efficiency of the pressurized gas
Solution Approach 1:
The conversion section is thermally extracted or isolated from the refrigeration section, allowing the cooling process to occur independently without thermal interference. The pressurized gas is cooled in the refrigeration section while the rotation and work extraction occur in the thermally isolated conversion section, preventing energy loss through thermal coupling
Solution Approach 2:
A thermal isolation mechanism acts as an intermediary between the conversion section and refrigeration section, preventing direct heat transfer while allowing mechanical energy transfer through the rotating rotor. This intermediary ensures that the cooling efficiency is maintained without thermal energy loss to the conversion section
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 effectively reproduces and controls the vortex tube effect, enabling efficient cooling and mechanical work production at low flow rates, outperforming current turbine technology in terms of coefficient of performance and flow rate efficiency.
Implementation Method 1
The present invention relates to methods and devices relating to the vortex tube effect and its application in a mechanism that can be used in various practical applications.
Implementation Method 2
This document revisits the concept of angular momentum conservation and the corresponding propulsion imparted to a reference frame by an ejected fluid.
Implementation Method 3
pressurized gas received at the inlet port passes from a periphery of the rotor to the exit port through the conduit to thereby cause the rotor to rotate about an axis of rotation; after passing through the conduit, the pressurized gas at the exit port is colder than the pressurized gas at the periphery of the rotor
Data Source
AI summary
Systems, methods, and devices relating to a mechanism which can be used in gas cooling devices, pneumatic motors, turbines and other pressurized gas devices. A rotatable rotor is provided along with a number of hollow conduits that radially radiate from an exit port at the center of the rotor. The pressurized gas is injected into the mechanism at the inlet port(s). The gas enters the conduits and travels from the inlet port(s) to the exit port(s). In doing so, the gas causes the rotor to rotate about its central axis while the gas cools. This results in a colder gas at the exit port(s) than at the inlet port(s) due to an enhanced extraction of work, while maintaining a very low flow rate at the cold outlet.