Vertical Radiator Channels for Low-Temperature Heat Exchange

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Solution Overview

Problem

Conventional radiators are inefficient for low-temperature heating systems due to reduced natural convective thermal exchange, leading to larger dimensions and increased energy waste, and lack effectiveness in both heating and cooling applications.

Innovation Solution

A radiator design featuring vertical heating elements with additional heat exchange apparatuses and a three-way thermostatic actuator that automatically switches between heating and cooling modes, utilizing a finned heat exchanger and electric fan for enhanced convective thermal exchange, allowing for efficient operation at low temperatures and reduced dimensions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If conventional radiators are used in low temperature heating systems, then the system can operate at lower temperatures, but the natural convective thermal exchange is remarkably reduced leading to insufficient heating efficiency

Engineering Contradiction:
Improveheat carrier fluid temperatureVSAvoidheating efficiency
Core Design Contradiction:
TemperatureVSProductivity

Solution Approach 1:

The radiator surface is divided into multiple vertical heating elements with finned structures, increasing the segmented surface area for heat exchange. This segmentation allows each element to generate its own convective currents, maintaining efficiency at lower temperatures.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention transitions from conventional horizontal or flat radiator surfaces to vertical three-dimensional finned structures. This dimensional change creates natural chimney effects and enhances convective thermal exchange in the vertical dimension, compensating for reduced temperature differential.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Loss of energy

If the heat carrier fluid temperature is reduced to save energy, then energy consumption decreases, but the radiator dimensions must increase to maintain the same thermal output

Engineering Contradiction:
Improveenergy consumptionVSAvoidradiator dimensions
Core Design Contradiction:
Loss of energyVSVolume of stationary object

Solution Approach 1:

The finned structures concentrate heat exchange activity in specific local zones with optimized geometry. Each fin acts as a localized heat transfer enhancement element, allowing the entire radiator to achieve high efficiency without increasing overall volume.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The radiator employs composite finned structures combining different geometric forms (vertical elements, fins, channels) to maximize heat transfer surface density within constrained volume, enabling efficient low-temperature operation without bulky dimensions.

Inventive Principle:
Principle #40Composite materials

3Productivity

If additional heat exchange apparatuses are added to enhance thermal efficiency, then heating and cooling performance improves, but the device complexity increases

Engineering Contradiction:
Improvethermal efficiencyVSAvoidradiator structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The vertical finned heating elements serve dual functions for both heating and cooling operations. The same structural components enable heat exchange in both directions by reversing the heat carrier fluid temperature, eliminating the need for separate heating and cooling apparatuses.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

Multiple heat exchange functions (convection, radiation, conduction) are merged into a single integrated finned structure. The vertical elements simultaneously perform multiple thermal exchange roles, reducing overall device complexity while maintaining high thermal efficiency.

Inventive Principle:
Principle #5Merging (Combining)

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

The radiator achieves high thermal efficiency with reduced dimensions, enabling effective heating and cooling while minimizing energy consumption and environmental impact, with performance nearly three times that of standard radiators under similar conditions.

Implementation Method 1

room air follows a convective motion by entering said lower mouth and exiting from said upper mouth of said at least one laminar channel and absorbing heat from the heat carrier fluid flowing in said one or more vertical heating elements

Methodology Applied
Scientific EffectNatural convection: Free Convection

Implementation Method 2

electric fan for enhanced convective thermal exchange

Methodology Applied
Scientific EffectForced convection: Forced Convection

Implementation Method 3

a heating body, usually comprising one or more radiating elements, emitting heat by natural convection and irradiation

Methodology Applied
Scientific EffectThermal radiation: Thermal Radiation

Data Source

PatentEP2623870B1Radiator with vertical heating elements
Publication Date: 2018.12.19 CORDIVARI
  • EP2623870B1 patent drawingFigure 1a~1e
  • EP2623870B1 patent drawingFigure 2
  • EP2623870B1 patent drawingFigure 3

AI summary

The invention concerns a radiator comprising one or more vertical heating elements (1), capable to receive a flow of a heat carrier fluid coming from a radiator inlet joint (50), characterised in that it further comprises at least one shaped wall (7) coupled to a rear surface of said one or more vertical heating elements (1), said at least one shaped wall (7) having a transverse profile defining at least one laminar channel (703) delimited by said at least one shaped wall (7) and by at least one portion of said one or more vertical heating elements (1) and having a lower mouth and an upper mouth, whereby, when a heat carrier fluid having a temperature higher than a room temperature flows in said one or more vertical heating elements (1), room air follows a convective motion by entering said lower mouth and exiting from said upper mouth of said at least one laminar channel (703) and absorbing heat from the heat carrier fluid flowing in said one or more vertical heating elements (1).