Nadeen Hassan

6 Questions 4 Answers 0 Followers

Questions related from Nadeen Hassan

How easy is it to export from SimaPro to GaBi and vice versa?

Hello, I am wondering about the possibility of exporting data from SimaPro to GaBi and back again. Does the database used in SimaPro have to be the same as what's available in GaBi?? Thanks in...

27 August 2021 4,160 3 View

How to calculate specific temeprature drop in duct based on airflow?

I am looking for a formula to calculate specific temperature drop in duct based on airflow, knowing the specific power loss, airflow, thermal properties of the duct, and air temperatures. The goal...

28 October 2020 4,307 5 View

How to calculate the return air temperature in a system?

is it possible to calculate the return air temperature in the system if no heat gains and losses are taken into account (except for temperature rise due to the fan) knowing the supply air...

20 October 2020 7,223 7 View

Does anyone know the source of this fan-related formula (𝑓𝜂 (𝑞𝑉 ))?

The formula is used to calculate the dependence of the fan efficiency on the volume flow rate.

06 July 2020 7,830 0 View

Where can I find the nominal pressure difference of a supply fan in the manufacturer's catalogue?

I can not find the nominal pressure difference of a supply fan in the product catalogues provided. not sure if I am looking in the wrong place.

29 May 2020 1,384 0 View

What is the equation behind the airflow vs. pressure of an AHU fan?also what is the most accurate way to calculate the energy use of an AHU fan?

If I want to calculate the energy use of an AHU fan, knowing the maximum airflow, fan efficiency, and static pressure, what would be the most accurate way? Thanks!

15 November 2019 2,275 3 View