Optically Transmissive Cookware for Narrowband Radiant Cooking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional cooking methods using opaque materials for cookware and packaging result in inefficient heat transfer, as radiant energy is blocked or absorbed by the cookware rather than directly heating the food, leading to wasted energy and uneven cooking due to conductive and convective heat transfer.
Innovation Solution
The use of optically transmissive materials, such as plastics and glass, in cookware and cook-packs that allow direct irradiation of food with narrowband wavelengths, along with anti-reflective coatings and specific material properties to enhance energy transmission and absorption, facilitating direct radiant cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If opaque materials (metals or ceramics) are used for cookware, then structural strength and heat retention are improved, but radiant energy is blocked or absorbed by the cookware instead of directly heating the food, leading to energy waste and inefficient cooking
Solution Approach 1:
The cookware is designed with different optical properties in different regions: the bottom surface is made optically transmissive to allow radiant energy to pass through and directly heat the food, while the sidewalls maintain traditional opaque materials for structural support and heat retention. This local differentiation resolves the contradiction by allowing energy efficiency where needed while maintaining strength where required.
Solution Approach 2:
The cookware combines multiple materials with different properties: an optically transmissive material (such as glass or transparent ceramic) for the bottom surface and traditional opaque materials (metal or ceramic) for the sidewalls. This composite structure allows the bottom to transmit radiant energy efficiently while the sidewalls provide structural integrity and heat retention, resolving the contradiction between energy efficiency and structural strength.
2Duration of action of stationary object
If opaque cookware is used, then heat retention is improved, but secondary thermal transfer through conduction and convection is required, slowing down the cooking process and causing uneven heating
Solution Approach 1:
The bottom surface is designed with optically transmissive properties to enable direct radiant heating of the food, significantly increasing cooking speed. The sidewalls maintain opaque materials for heat retention. This local differentiation allows the system to achieve both fast cooking (through the bottom) and heat retention (through the sidewalls), resolving the contradiction between cooking speed and heat retention.
3Area of stationary object
If traditional broadband heat irradiation is used, then cooking coverage is improved, but the cookware material must be opaque which blocks direct photonic impact and requires suspension or holding mechanisms for the food
Solution Approach 1:
The patent transitions from broadband irradiation to narrowband irradiation, changing the wavelength parameter to match the absorption characteristics of food materials. This allows the use of optically transmissive cookware materials that are transparent at these specific narrow wavelengths, enabling direct photonic impact on food without complex suspension mechanisms while maintaining effective cooking coverage.
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 approach enables more efficient and uniform cooking by allowing direct photonic energy to impact the food, reducing energy wastage and cooking time, while maintaining structural integrity and safety.
Implementation Method 1
the vessel is comprised of a material that is optically transmissive at the visible or infrared narrow wavelength bands of irradiation emitted by the irradiation arrays
Implementation Method 2
heating or cooking the comestible item with visible or infrared narrow wavelength bands of irradiation emitted by at least one array
Data Source
AI summary
A methodology and product or system configurations are provided which allow food to be directly irradiated for cooking applications which involve the impingement of direct radiant energy on food or comestible items. Cooking vessels or cook-packs are used that are optically transmissive in visible or infrared narrow wavelength bands emitted in suitable narrowband cooking or heating systems.