[esp-r] Re: network flow problem

Jon Hand jon at esru.strath.ac.uk
Wed Apr 1 09:14:53 BST 2009


The problem may because of the names of the nodes - try editing the network file
to remove the spaces in 2.east wall    and   3.west wall

-Jon Hand
________________________________________
From: esp-r-bounces at lists.strath.ac.uk [esp-r-bounces at lists.strath.ac.uk] On Behalf Of NALIN SWAROOP [nalin_swaroop at iitb.ac.in]
Sent: 01 April 2009 07:01
To: esp-r at lists.strath.ac.uk
Subject: [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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