Product Optimization
We’d be happy to advise you.
Contact us now
Fundamentals of Thermal and Fluid Dynamics Design
In the industry, the success of a system depends largely on its reliability and functionality. Miniaturizing components while simultaneously increasing power densities poses significant challenges for development engineers. Optimizing products in the areas of thermal management and housing cooling ensures that assemblies operate without failure under defined boundary conditions. This optimization aims at a comprehensive (re)design of cooling, airflow, and structure so that the end product can withstand the demanding requirements of real-world applications. A thorough analysis of product data forms the foundation for this: By employing numerical and empirical methods, optimization potentials can be specifically identified, enabling companies to generate real added value for their product portfolio.
Well-designed products have a better chance of success in the market
- Concept analysis
- Comprehensive evaluation using CFD simulation
- Identification of optimization opportunities
- Optimization using CFD simulation
- Determination and compilation of required
- certifications, documentation, tests, etc.
- Test support and evaluation
We offer you a comprehensive and integrated service package.
Definition and Significance of Product Optimization in Engineering
Optimization involves much more than simply reducing the component temperature. It is an iterative process that continuously improves the reliability of thermal and fluid dynamics systems throughout the development cycle. When business leaders and development managers make decisions regarding the further development of systems, heat dissipation management and the reduction of thermal resistance increasingly come into focus. Errors and deficiencies in thermal design lead to inefficiency, waste of resources, premature material aging, and, ultimately, component failure.
The Product Analysis Process:
Thermal and Fluid Dynamics Analysis
Optimization projects always begin with a detailed product analysis that follows a structured approach and, depending on the project, may also include market analysis, competitive analysis, and functional analysis. This step serves to identify bottlenecks and areas of concern in fluid dynamics. The analysis evaluates the current state of flow, temperature, and heat distribution within the assemblies, taking real-world environmental conditions into account. To do this, computational engineers collect data from CAD models, material data sheets, and chip manufacturer specifications. Additionally, customer feedback provides relevant insights into perceptions and expectations.
Product Analysis of Airflow and Flow Resistance within the System
A key task in system optimization is improving airflow, which is heavily influenced by the geometric structure within an enclosure. Winding flow paths, changes in cross-sectional area, or components positioned unfavorably in the airflow create turbulence. The resulting increase in flow resistance shifts the operating point on the fan performance curve, leading to a decrease in airflow and thus reduced heat dissipation.
Determining the System Operating Points for the Product
A key aspect of the design process is determining the operating points for the fan, the unit, and the system. The system operating point is defined as the intersection of the system characteristic curve (which describes the pressure drop as a function of airflow) and the fan characteristic curve. Cooling will only function efficiently if this operating point lies within the fan’s optimal efficiency range. Determining this point requires in-depth knowledge of the aerodynamic properties of all components. If the operating point lies within a stall region, this results in increased energy consumption, a drastic loss of cooling capacity, and increased noise levels. By precisely determining and adjusting the operating points, the power density and productivity of the entire system can be increased, and thermal stability can be maintained even under transient load scenarios.
Fan Selection and Operating Point Optimization for the Product
Components are selected based on the determined system operating points. The market offers a wide variety of fans with a broad range of aerodynamic characteristics—from axial fans for high airflow rates to centrifugal fans for overcoming high back pressures. A selection based solely on installation dimensions or the maximum airflow specified by the manufacturer is often insufficient in practice. A comprehensive analysis of the performance curves is required. During operating point optimization, the fan characteristics are compared in detail with the calculated flow resistance of the system. Compared to other commercially available solutions and competing products, this allows for a reliable assessment of whether the selected design will provide the appropriate reserve capacity and efficiency in actual operation.
Enclosure and Device Mechanics: Integration into Product Design
The thermal management concept must be integrated seamlessly into the housing and device mechanics. Product design is often subject to strict space constraints or must meet specific customer requirements. Adjustments to optimize cooling include, for example, the design of finned heat sinks, the positioning of air inlets and outlets, or the targeted selection of materials to enhance heat conduction. The use of special thermal interface materials (TIM) also plays a crucial role. The housing mechanics not only serve to protect the electronics from contact but also function as a defining component of the thermal management system.
Methodological Approach: From Analyzing Individual Characteristics to Product Improvement
Implementing modifications requires an iterative process. After analyzing and identifying weak points, design variants are developed and simulated using Computational Fluid Dynamics (CFD). Based on the results, engineers determine how specific geometric changes affect the flow field and heat transfer. Virtual testing of these variants on a computer identifies potential sources of error early on, even before the costly production of metal or plastic prototypes begins.
Economic Value: Product Quality, Costs, and Competitive Advantages
Professional product optimization has a directly measurable impact on business success; the key benefits lie in reduced redundancies, increased efficiency, and a strong competitive positioning relative to other offerings. Optimized cooling performance minimizes warranty claims and strengthens customer confidence in product quality. At the same time, improved component design reduces manufacturing and material costs.
FAQ: Frequently Asked Questions About Fluid Dynamics-Based Product Optimization, Product Analysis, and Customer Feedback Analysis
What is the goal of thermal optimization for a system?
How does the analysis of flow resistance affect efficiency?
At what stage of development does it make sense to perform a fluid dynamics analysis?
Is there an example of operating point tuning?
What insights does computational fluid dynamics (CFD) provide?
How does optimization affect production?
Heat Sink Optimization
Air Conditioning Components
Products
Air conditioning components and more
