Multi-Tube Heat Production Channel for Pressure-Stable Fluid Heating
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Solution Overview
Problem
Thermodynamic systems that compress a fluid to produce heat struggle to increase the temperature of the fluid downstream from the heat exchanger without significantly altering the reference pressure, which can lead to pressure modifications and potential formation of constriction or expansion chambers, affecting the system's efficiency.
Innovation Solution
Organizing the fluid flow channel between the compressor and heat exchanger as a plurality of individual channels with specific geometrical structures at transition zones, including inlet and outlet chambers with flared and inclined sections, to maintain the reference pressure and enhance heat transfer, such as using a Venturi effect device at the outlet chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the fluid flow channel is organized as a plurality of individual channels to increase heat transfer, then the fluid temperature increases significantly (up to 50%), but the pressure stability deteriorates due to potential formation of constriction or expansion chambers
Solution Approach 1:
The flow channel is divided into multiple individual channels (typically 3-12 channels) instead of a single channel. This segmentation increases the surface area for heat transfer while maintaining pressure stability through proper geometric design of transition zones between the single inlet/outlet channels and the multiple individual channels.
Solution Approach 2:
The transition zones between single channels and multiple individual channels are designed with specific geometric characteristics (conical sections with controlled angles) to maintain uniform pressure distribution. The local geometry is optimized to prevent constriction or expansion chamber formation, ensuring pressure stability while enabling enhanced heat transfer in the individual channels.
2Power
If the channel geometry is modified to enhance heat transfer, then heat production increases, but the system complexity increases due to additional transition zones and geometric constraints
Solution Approach 1:
The transition zones are designed with predetermined geometric characteristics (conical sections with specific angle ranges) that are established during manufacturing. This preliminary design of transition zones prevents pressure instability before it can occur, eliminating the need for complex active control mechanisms while maintaining heat transfer enhancement.
Solution Approach 2:
The invention optimizes specific geometric parameters of the transition zones (cone angles within defined ranges, channel dimensions) to achieve the desired balance between heat transfer enhancement and pressure stability. By carefully controlling these parameters, the system achieves improved heat production without excessive geometric complexity.
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 configuration results in a significant increase in the fluid's heat, potentially up to 50% of the initial temperature, while maintaining the reference pressure, thereby enhancing the secondary heat production without causing hydraulic head losses or pressure modifications within the system.
Implementation Method 1
the total section of the individual channels is of the order of as close as possible to said main section... such an organization for the flow channel gives rise to a non-negligible increase in the heat of the fluid
Implementation Method 2
including inlet and outlet chambers with flared and inclined sections, to maintain the reference pressure and enhance heat transfer, such as using a Venturi effect device at the outlet chamber
Data Source
AI summary
The present invention provides a secondary heat production device (5) for fitting to a closed circuit thermodynamic system associating main heat production means (1) operating by compressing a fluid and a heat exchanger (2) that are interconnected by a fluid flow channel (3). The device (5) is mainly constituted by a plurality of individual channels (8, 9) interposed between an inlet chamber (11) and an outlet chamber (13), each of the chambers (11, 13) including a respective inlet or outlet pipe (10, 12) on a common axis and presenting respective identical main sections corresponding to the total section of the individual channels (8, 9).