[esp-r] Re: network flow problem

Hall,Monika monika.hall at fhnw.ch
Wed Apr 1 09:03:53 BST 2009


Hi Nalin,

are you sure, that the nodes east wall and west wall are connected with external?

Regards
Monika



-----Ursprüngliche Nachricht-----
Von: esp-r-bounces at lists.strath.ac.uk [mailto:esp-r-bounces at lists.strath.ac.uk] Im Auftrag von NALIN SWAROOP
Gesendet: Mittwoch, 1. April 2009 08:02
An: esp-r at lists.strath.ac.uk
Betreff: [esp-r] network flow problem

Hello all

I am trying to learn the network flow module of esp-r I have created a single zone building of dimensions 5.6 * 4.6 * 2.8 The room has no windows, only two cracks on the east and west walls I have edited the climate file to change the wind speed to a constant value of 5 m/s flowing in west to east direction For cracks I am using the type 120 (crack width, crack length, dP )

I have made three nodes: 1.Room  2.east wall 3.west wall

Two crack components

Two connections:
1. room(+ve node) and east wall(-ve node) through eastcrack 2. room(+ve node) and west wall(-ve node) through westcrack

every things runs properly and there is no error during simulation but the problem is when I see the results there is no inflow or outflow i.e every value related to mass flow volume flow is zero in the output.
I have tried changing the crack type to large opening type still there is no flow please help

Sincerely
Nalin

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