Artificial log assembly
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Solution Overview
Problem
Existing artificial log assemblies lack effectiveness in simulating the appearance and experience of a burning wood fire, with limited realism and efficiency in flame visibility and heat distribution.
Innovation Solution
The design incorporates a non-flammable artificial log with a cylindrical outer shell and internal cavity, featuring fuel outlets and slits that allow flames to be visible through the slits, creating a realistic burning log appearance and distributing heat effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If fuel outlets are positioned closer to the outer shell, then flame visibility through slits is improved, but heat distribution effectiveness deteriorates
Solution Approach 1:
The fuel supply system is segmented into multiple fuel outlets positioned at different locations within the cavity. This segmentation allows different regions of the cavity to have different fuel outlet configurations, enabling optimization of both flame visibility (through slits near certain outlets) and heat distribution (through outlets positioned to maximize thermal radiation patterns) simultaneously across different zones of the artificial log assembly.
2Strength
If the outer shell is made thicker to improve structural integrity, then durability is improved, but flame visibility through slits deteriorates
Solution Approach 1:
The outer shell is designed with non-uniform thickness and varying optical properties at different locations. Regions where slits are positioned have locally optimized thickness and material composition to maximize flame visibility, while other regions maintain greater thickness for structural integrity. This local quality variation allows the shell to simultaneously provide both strength and optimal flame display characteristics at different locations.
3Illumination intensity
If multiple slits are added to improve flame visibility, then realism is improved, but heat loss increases
Solution Approach 1:
The slit configuration is designed to be dynamic in its functional effect through the interplay of flame behavior and slit positioning. The slits are positioned and sized to allow optimal flame visibility while the flame itself dynamically adjusts its shape and position in response to fuel flow and air intake variations. This dynamic interaction allows the system to maintain good visibility while minimizing excessive heat loss, as the flame naturally seals and opens the slit openings during its combustion cycle.
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 solution enhances the realism of the burning log appearance and improves heat distribution, providing a more immersive and visually appealing artificial fire experience.
Implementation Method 1
Fuel is supplied to the outer shell such that, when ignited, the fuel burns to appear as though the artificial log is on fire
Implementation Method 2
distributing heat effectively
Data Source
AI summary
An artificial log assembly includes an artificial log and a fuel supply. The artificial log is a non-flammable material. The artificial log has an outer wall defining a main portion rounded about and elongated along an axis and a branch portion extending from the main portion transverse to the main portion. The artificial log has a cavity extending along the main portion and from the main portion into the branch portion. Slits extend through the outer wall to the cavity. A fuel supply is in the cavity. The fuel supply includes a main pipe elongated along the axis in the cavity along the main portion and a branch pipe extending from the main pipe in the cavity along the branch portion. Fuel outlets are along the main pipe and are spaced along the axis. At least one of the fuel outlets extends from the branch pipe.