Alia Amer Hegazy

13 Questions 9 Answers 0 Followers

Questions related from Alia Amer Hegazy

I am working on CFD analysis for naturally ventilated hospital wards, i have a question regarding the vector plot:

1- how can i differentiate between a vortex and re-circulation flow? 2- what is the effect of a recirculation zone inside a space, i mean does it enhance ventilation or the opposite? 3- does a...

15 May 2017 8,411 3 View

What is the element count in a given mesh in ansys flotran?

Hi Everyone,i am using ansys flotran for studying airflow inside buildings... i want to ask a question about generating the mesh ...after meshing the whole model....( i dont mesh the entire volume...

03 April 2016 2,755 0 View

Single-sided or cross ventilation?

i have a question regarding determining weather a hospital ward is single-sided or cross ventilated? the ward has two vertical openings on one side (on the facade and inlet fro wind) and the...

23 February 2016 1,762 4 View

I cannot open Flotran after shifting to ANSYS 16.0?

My doctor taught me on ANSYS 12.. he used ANSYS APDL-multiphysics-flotran ( i choose flotran from the preferences ).i open ANSYS APDL, then choose multiphysiscs, then i choose flotran from the...

24 December 2015 8,314 1 View

How to import a 3d CAD file into Ansys 16.0 workbench??

i want to know how to import a 3d CAD file into Ansys 16.0 workbench?? ? does this needs any modifications in Cad configuration manager?? Thank you

23 December 2015 3,250 3 View

Does anyone know about hot wire anemometers?

i have a hot wire anemometer DT-8880 that i use to assess ventilation performance in naturally ventilated hospital wards. my question is regarding the assigned area that is used to calculate the...

05 May 2015 4,196 1 View

Can anyone recommend me a good brand of smoke test tube kits for performing ventilation airflow direction test?

Can anyone recommend me a good brand of smoke test tube kits for performing ventilation airflow direction test? is there any precautions or issues to consider while using them in my case studies?

07 April 2015 6,216 0 View

Why does the increase in ceiling height in hospital wards allow for lifting the contaminants above the occupied zone?

Many researches demonstrate that increasing the ceiling height of naturally ventilated hospital wards can provide a better IAQ and allow for reducing the risk of infection transmission. It has...

01 April 2015 6,410 4 View

How can I take air velocity readings for simulation of naturally ventilated wards?

Does anyone know the scientific and valid way of taking measurements of wind velocity inside wards? I have a hot wire anemometer and I would like to take data for air velocity for the simulations....

26 March 2015 6,097 3 View

Is anyone familiar with Hospital Design Pattern?

Is there any research or articles that discuss the differences between hospital design patterns (deep plan vs shallow plan) and the impact of each one of them on infection transmission?

18 March 2015 173 3 View

What is an adequate sink to bed ratio in hospital wards?

is there a known standard or guideline regarding the adequate ratio between hand hygiene devices and number of patients' beds in ward ..i found many articles and researches but i did not find a...

09 March 2015 2,053 3 View

Any suggestions on locating infectious diseases wards in hospital design?

is there any research or evidence that advocate locating highly infectious wards in hospital design...is there any scientific evidence about the preferred location regarding the floors (upper vs...

02 March 2015 4,454 9 View

What is the most significant design indicator that affects the transmission of airborne infectious pathogens in naturally ventilated wards?

there are many architectural design indicators that affect ventilation of hospital wards in a way that promotes or hinders pathogens proliferation... what is the most significant parameter?

28 February 2015 7,356 2 View