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Demostration of SimScale's capabilities to simulate ventilation systems in office enviroments

Investigating how further improvements to thermal comfort and air quality/age of an office space design (optimized based on past experience) can be made using SimScale's CFD platform.

This project showcases how Simscale CFD enables architects and designers to evaluate and optimize the comfort of office occupants.

assessing the thermal comfort of a dorm room

assessing the thermal comfort of a dormitory room.

Demonstrate a simulation project for Thermal Comfort Analysis to a
new customer

Thermal Comfort. CFD simulation. Motor bike in climate chamber.

This project analyses a two stage housing scenario with Solar Chimney. The effect of Solar chimney on natural ventilation of a house is simulated. Key Results: 1. Air flow distribution inside the house 2. Thermal comfort inside the house 3. Stack effect due to solar radiation on the roofs

Thermal Comfort Analysis of an Office space
Key Results:
1. Predicted Mean Vote
2. Percentage of People Dissatisfied

Simulation to try and understand the ventilation requirements inside the building space and demonstrate how CFD can be used to optimise the underlying design.

Understand the ventilation inside the building space

Thermal comfort simulation on condominium unit

Natural Convection Analysis of a Warehouse
1. Addresses the thermal comfort for a small office setup inside a warehouse
2. Temperature and Velocity distribution inside the warehouse
3. Covers open and closed window scenarios

In this project, I will conduct analysis on similar configurations of a residential building in Winter. The goal is to pick on trends or changes that occur with change in physical properties in the system like number of air vents, location of the vents and air flow rates. SimScale's Thermal Comfort documentation and tools which are based on ASHRAE 55 will used to establish improvements in system performance.

Thermal Comfort Analysis for Chairman's Office

Testing two configurations for ventilation in a warehouse. Several heat sources are placed throughout the area. The objective is to evaluate how the different configurations perform in terms of predicted mean vote (PMV) & predicted percentage of dissatisfied (PPD). A total of 20 people (represented as cylinders) were placed inside of the warehouse.

Convective heat transfer analysis were carried out, with the radiation formulation on. By placing two simple outlets on the ceiling of the warehouse, ventilation was greatly improved and all 20 people were within the -0.5 to 0.5 PMV range.

Cité du Design, St Etienne, France - Thermal Comfort HVAC analysis

This project shows a simple HVAC study of a one-story shopping center hall. The simulation aims to evaluate the power requirements and distribution around the hall in order to maintain both indoor air quality and thermal comfort of the occupants.

LOD1 Simplified Buildings Transient Thermal Comfort

ventilation in lecture room when diffusers are installed

This project aims at analyzing and understanding how thermal comfort can be achieved in an office space of 4 occupants.
The scenario takes place in summer conditions ( 42C outside temperature and  65 relative humidity). The thermal comfort metric used in this project is predicted mean vote (PMV) and the target range is -0.5/0.5.
The original scenario results, where the external walls have a low insulation value and the inlet temperature is 19.85 degrees Celsius,  show exceeding PMV values (2.8 on average at the humans' surfaces) that are beyond the recommended ASHRAE-55-2017 values.
To improve the PMV values and the energy consumed in order to cool the occupants, the insulation value for the walls and windows were changed to reflect the impact of adding an insulation layer. The results of the improved scenario show a significant saving in energy spending whereas the thermal comfort of the occupant isn't changed significantly. 
The next stage is to adjust and find an inlet temperature at a suitable level in order for the occupants to feel comfortable. The flowrate value wasn't modified because it would produce airspeed and therefore negatively impact the PMV values.
Working with a difference between the average room air temperature and the inlet temperature of 9 degrees Celsius, and aiming for a 22degres Celsius average room temperature as a starting point, an inlet of 14 degrees was used.
Simulation runs were performed at 14,13,12,11, and 10 deg Celsius until the measured PMV values for the occupants were all within the target range of (0.5/0.5). The  satisfactory condition scenario was determined to be with a 10 degrees Celsius inlet temperature.

to find thermal comfort in lecture room when diffusers are placed

Understand fluid flow and heat transfer properties in a volume

An application example of a swirl diffuser

thermal comfort | SimScale Project Library | Page 1