ServiceS - Heinen & Hopman · On the outside the yacht looks spectacular. However – during the...
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> Ventilation Air Conditioning Refrigeration Heating PROVIDED BY HEINEN & HOPMAN Inside 22 º C OUTSIDE 35°C 45°C HUMIDITY 90% 40% SERVICES Computational Fluid Dynamics analysis and consultancy
Transcript of ServiceS - Heinen & Hopman · On the outside the yacht looks spectacular. However – during the...
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Ventilation Air Conditioning RefrigerationHeating
PROVIDED BYHEINEN & HOPMAN
Inside22ºC
OUTSIDE35°C45°C
HUMIDITY90%40%
ServiceScomputational Fluid Dynamics analysis and consultancy
APPLICATIONS
Let’s say you are involved in the design and built of a container vessel. Mechanical ventilation is used to provide each container with a certain amount of air. To stack and carry as much containers as possible, the mechanical ventilation trunks are reduced in size. In order to ensure that the mechanical ventilation is still capable to supply the required air amount through the trunks, the pressure loss needs to be calculated. A CFD analysis would be a perfect tool in this case to validate the design of the mechanical ventilation system.
Now imagine being involved in the design and build of a luxurious yacht. Like every vessel, this yacht is equipped with a propulsion system. For instance, two diesel engines. On the outside the yacht looks spectacular. However – during the design proses of the engine room – a flaw is detected when the ventilation shafts are connected to the plenums of the inlet and outlet grills. An engineer found out that there is a possibility that – due to the limited space available – the supply and exhaust fan cannot overcome the pressure losses in the shafts, and therefore jeopardize the airflow and cooling of the engine room. Another example of a situation wherein a CFD analysis would be the only way to get more insight in this challenge.
No matter what vessel type or size, a CFD analysis is the perfect tool to validate your HVAC design, to troubleshoot HVAC problems and to optimize system performance.
INTRODUCTION
Using computational fluid dynamics (CFD) technology, we can finely tune your HVAC installation to meet specific requirements before even mounting a single piece of equipment onboard your ship. CFD enables us to realistically simulate air flows within the project space in advance. As a result, we can accurately predict where deficiencies in the HVAC system may occur, such as drafts, high levels of turbulence, high pressure drop and poor air distribution. This allows us to optimise the HVAC system’s design and ensure comfort and effectiveness – before actual installation work begins.
The simulations account for all kinds of factors that influence air flows and temperatures. They help create finely tuned designs even for installations in very confined spaces. CFD considers everything from the influence of sunlight to the layout of the rooms and the placement of air vents around furnishings, resulting in a comfort analysis and/or product validation. The goal is to figure out the best air circulation solutions for the specific project space.
BENEFITS
• Avoid problems before they even occur• Save time and costs during the design and installation• Reduce costs for prototyping by carrying out virtual testing• Reduce costs for real-time testing by testing virtual mock-up• Optimised performance of the HVAC system• Visualising HVAC, seeing is understanding and believing• Most of all: peace of mind
WHY HEINEN & HOPMAN?
With more than 50 years of ever expanding knowledge in the field of HVAC design, implementation and maintenance, we are well capable and equipped with the knowledge and tools to provide reliable analyses and advice.
WHY A CFD ANALYSIS?
CFD is a well-established technology in many industries. Investing in virtual CFD analyses will save you from large costs in real live testing and validation. Moreover, potential high expenses for adapting the HVAC system on-site after installation are avoided. Additionally, getting a CFD analysis in an early stage of the HVAC design process, will generate a huge beneficial insight and will help you determine the optimal air flow in every single space. These insights can save you loads of money and have been proven to be a valuable, powerful and innovative service to optimise the HVAC design, resulting in increased comfort and effectiveness.
A CFD analysis can be very useful in the following situations:1. Validating your HVAC design before installation2. Troubleshooting HVAC problems 3. Optimising system or component performance
TYPES OF ANALYSES
1. Flow analysis With this simulation you can expect e.g.: • Gasorliquidflowpatterns • Gasorliquidvelocity
2. Comfort analysis With this simultion you can expect e.g.: • LocalAirChangesIndex(LACI) • LocalMeanAge(LMA) • ContaminantRemovalEffectiveness(CRE) • LocalAirQualityIndex(LAQI)
3. Pressure analysis of the total system With this simulation you can expect in addition to the flow analyses e.g.: • Absoluteandrelativepressuredevelopmentthroughthesystem • Pressurelossoverthetotalsystemsanditsinternalcomponents
4. Thermal analysis of the total system With this simulation you can expect in addition to the pressure analyses e.g.: • Heattransferofobjectsorsurfaces • Roomtemperatures • Hot-spot,cold-spotdetection
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