MR-CFD experts are ready for Architectural analysis, consulting, training, and CFD simulation.
Computational fluid dynamics (CFD) simulation services for architecture engineering students
Architectural engineer students utilize engineering disciplines to design buildings considering building usage. However, nowadays, architecture engineering and structural engineering are interdisciplinary subjects that combine fluid dynamics, environmental engineering, and urban planning. For instance, the interaction between air and the building’s surfaces have profound influences on the distribution of the pollutants in the cities. Another interdisciplinary subject is air conditioning on the premises; in which we have to consider the structure, heat transfer, and fluid motions simultaneously.
We use ANSYS Software package for modeling, meshing, and simulation services for architectural engineering students.
For designing the ventilation system of a new house or an office at first, we should investigate the climate and weather condition of location that we want to start to construction.
This climate investigation includes finding:
- solar radiation magnitude and direction and number of sunny hours during the days of the year
- windy days and magnitude and direction
- rainy and snowy day
- average ambient temperature
In the second stage of designing ventilation for buildings, we should know everything about conventional building design quality in that location. We can achieve this target by obtaining statistics from the occupant of buildings and offices. Also, we can simulate ventilation situation of some buildings in this region to know more about the quality of these regions buildings.
Ventilation design for a building has several stages:
- feasibility ( climate investigation and analytical model)
- detail design and CFD simulation
- final design and CFD evaluation with small scale experiment
- full-scale experiment
There is some sign related to having proper ventilation. These sign is feeling well, thinking well, performing well. Work and relax better by appropriate building design.
There are some essential criteria to have better comfort in your homes and offices:
Temperature: Should be at least at the 18-centigrade degree in winter for average human or 20-21 for vulnerable human. And should be between 28-32 in summer
Air quality and ventilation: the primary emission resource in a residential house is breathing system. The max concentration of CO2 in residential place should be lower than 1000 PPM.
Moisture and humidity: humidity should be lower than 65 % to prevent bacterial growth
Acoustics: If the noise in the home is so high, we cannot relax or sleep. Alternatively, if in sample school noise level was such a high that student could not listen to teachers or study. So acoustic design of the building is such essential criteria in designing the building.
Lighting: the building should have natural light during days, and this lighting affect the sense of life
Interior design: to have a better feeling in a place we want to work or live we should have a beautiful interior design
CFD simulation is used for predicting these criteria in building in various location and times. Besides, we can improve these qualities
CFD simulation has several advantages in designing house and buildings:
The total time and cost will be reduced Because the only price is the software package of CFD software like ANSYS fluent package. By CFD simulation, we can predict the ventilation situation of every location of buildings, and if there is a problem in each area, we can improve the condition of these points. In other words, we can identify and enhance airflow details at each location of buildings. Therefore, the quality and accuracy of the design will be increase. Traveling and a group member will decrease. Besides, it can be in touch with all engineer in a particular place or virtual. Also, CFD is perfect, and sometimes the only solution to determine the ventilation situation in complex geometries.
We can design and simulate ventilation of each building by each passive and active method. Passive method for heating includes cross and single side ventilation, stack effect, and wind Cather. Besides, some way for heating consists of a solar air heater, Solar water heater, and thermal storage and using phase change material for storing energy during days and discharging energy during nights.
By using CFD simulation, we can predict building thermal comfort in the presence of the mechanical device for heating include radiator, electrical and gas heater, and air conditioning systems.
We are also able to simulate mechanical cooling devices like a swamp and split colder in the building.
Having several years of experience in the simulation of various CFD fields using Fluent software, Mr. CFD team is ready to offer services in Modeling, meshing, and simulation. You have the following software options to organize a project.
• Design Modeler, Gambit, and CATIA for modeling
• Gambit, ANSYS meshing, and ICEM for meshing
• Fluent for analysis
• CFD-Post and Fluent software to extract the results
Simulation Services for architectural engineering students
- Analysis of the air conditioning of buildings
• the cradle
• the structure of the building and the effect of the shape of the buildings on air distribution and city pollution
• fluid simulation consulting, design and optimization of the urban system and air conditioning
In today’s architecture, the use of transparent facades (i.e. glass) is very popular. To achieve this goal in architecture, the use of two-layer facades or double-walled systems in exterior walls and facades of buildings has received much attention. Double skin facade consists of two shells (mainly glass layers) at a distance of 20 cm to 2 m, and the space between these two shells, channels or holes for airflow. The airflow in the cavities between the two shells forms a kind of insulation against adverse conditions. Double facades reduce energy consumption in buildings by 30% compared to buildings without such systems. Also, this system has the ability to perform the ventilation process in the interior of the building, which shows a very good performance in the cold and hot seasons of the year. Of course, the ventilation process in this type of system is possible in both natural and mechanical ways using a fan.
Facades have different types, including window-box facade, shaft-box facade, corridor facade, and multi-story facade.
In the warm seasons of the year, the air that is sucked from the bottom into the interior of the facade can repel the heat that is absorbed by the solar energy into the interior between the two absorbed shells upwards, and thus by repulsion of the heat from the walls of the building causes the cooling, while in the cold seasons of the year, if the facade system is closed and there is no airflow in that space, the same heat absorbed by the solar energy on the facade shells can be transmitted to the interior of the building through radiation, or if the system is open and airflow is established, this time it can be done using the hot air flow in the house used for heating the interior facade. To increase the efficiency of the cooling and heating process in this type of system, shadowing devices can be used, which have a shutter structure with the ability to adjust the angle. The angles of these shutters are placed in the warm seasons of the year in such a way that they block the sunlight and cause the sunlight to be reflected in the outside environment or absorbed by its surfaces. While the angle of placement of these surfaces in the cold seasons of the year is such that the solar rays allow direct to radiate the glass surface of the building and as a result, heating the walls of the building.
The following figure shows an example of a two-shell façade and a schematic of its geometric structure.
Today, due to the problems caused by fossil fuel consumption, such as increased air pollution, increased greenhouse gas emissions, and limited resources, the world is using new energy sources such as solar energy, waves, hydrostatics, wind energy, and ground heating. Solar energy is one of the cleanest and most available sources of electricity on earth, especially in areas with high annual radiation from the sun’s rays. One way to harness solar energy is to use solar chimneys. The basis of work in a solar chimney is the density difference due to the increase in temperature inside the solar panels, which acts as a driving force. In the building of a solar chimney, there is a transparent roof (usually made of glass) that can absorb the energy of solar radiation. The air flowing into the chimney heats up by receiving the heat from the roofs and rises due to the decrease in density due to the increase in temperature and as a result of lightning, and in fact, the flow of hot air sucks into the solar chimney. In general, these chimneys are divided into two categories. The first category is electrically generated chimneys that have an industrial scale; their function is to place one or more wind turbines in the direction of the upward movement of hot air, which receives the energy from the suction flow. Heat generates significant mechanical energy and then converts mechanical energy into electrical energy using a generator. The second category is ventilation and heating chimneys that are used on a residential scale; their function is to create a buoyancy force and suction of hot air upwards. Hot air absorbs from the lower part inside the building and exits the upper part of the chimney, which causes cooling inside the building, and also, if the upper part of the chimney is closed, the hot flow can be introduced into the building by installing a fan. This type is used for heating inside the building. Some residential solar chimneys are used vertically and attached to the wall of the building and receive the heat of solar energy from the plates used on the ground next to the building, and some other solar chimneys are sloping. It is located on the roof of the building and at the right angle to the direction of sunlight, it can receive its thermal energy. The following figure shows a schematic of a sloping roof solar chimney.
MR-CFD experts are ready to fulfill every Computational Fluid Dynamic (CFD) needs. Our service includes both industrial and academic purposes considering a wide range of CFD problems. MR-CFD services in three main categories of ANSYS Fluent Consultation, ANSYS Fluent Training, and ANSYS Fluent Project Simulation. MR-CFD company has gathered experts from various engineering fields to ensure the quality of CFD services. Your CFD project would be done in the shortest time, with the highest quality and appropriate cost.
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