Pipe sizing - heating and cooling methods

Duncan Brown — Thu, 18 Jan 2018 11:07:42 GMT

Current Revision posted to Hevacomp Wiki by Duncan Brown on 1/18/2018 11:07:42 AM

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	V8i
	Environment:	N/A
	Area:	Netsys
	Subarea:	Results

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are not considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

Tags: heat heating, Mechanical, V8i V26, chill chiller, Hevacomp, netsys, Building Performance

Pipe sizing methods - heating and cooling

Shane Regan — Fri, 21 Oct 2016 14:51:30 GMT

Revision 7 posted to Hevacomp Wiki by Shane Regan on 10/21/2016 2:51:30 PM

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	V8i
	Environment:	N/A
	Area:	Netsys
	Subarea:	Results

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are not considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

Tags: heat heating, Mechanical, V8i V26, chill chiller, Hevacomp, netsys, Building Performance

Pipe sizing methods - heating and cooling

Duncan Brown — Tue, 10 Mar 2015 12:50:33 GMT

Revision 6 posted to Hevacomp Wiki by Duncan Brown on 3/10/2015 12:50:33 PM


	Applies To

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	All
	Environment:	N/A
	Area:	N/A
	Subarea:	N/A
	Original Author:	Bentley Technical Support Group

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are not considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

External Links

Bentley homepage

HevacompMechanical Designer

Bentley Technical Support KnowledgeBase

Bentley LEARN Server

Comments or Corrections?

Bentley's Technical Support Group requests that you please confine any comments you have on this Wiki entry to this "Comments or Corrections?" section. THANK YOU!

Tags: heat heating, Mechanical, V8i V26, chill chiller, Hevacomp, netsys, Building Performance

Pipe sizing methods - heating and cooling

Duncan Brown — Tue, 09 Dec 2014 11:44:14 GMT

Revision 5 posted to Hevacomp Wiki by Duncan Brown on 12/9/2014 11:44:14 AM


	Applies To

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	All
	Environment:	N/A
	Area:	N/A
	Subarea:	N/A
	Original Author:	Bentley Technical Support Group

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are not considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

External Links

Bentley homepage

HevacompMechanical Designer

Bentley Technical Support KnowledgeBase

Bentley LEARN Server

Comments or Corrections?

Bentley's Technical Support Group requests that you please confine any comments you have on this Wiki entry to this "Comments or Corrections?" section. THANK YOU!

Tags: heat heating, Mechanical, V8i V26, chill chiller, Hevacomp, netsys, Building Performance

Pipe sizing methods - heating and cooling

Duncan Brown — Tue, 09 Dec 2014 11:43:53 GMT

Revision 4 posted to Hevacomp Wiki by Duncan Brown on 12/9/2014 11:43:53 AM


	Applies To

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	All
	Environment:	N/A
	Area:	N/A
	Subarea:	N/A
	Original Author:	Bentley Technical Support Group

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are not considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

External Links

Bentley homepage

HevacompMechanical Designer

Bentley Technical Support KnowledgeBase

Bentley LEARN Server

Comments or Corrections?

Bentley's Technical Support Group requests that you please confine any comments you have on this Wiki entry to this "Comments or Corrections?" section. THANK YOU!

Tags: heat heating, Mechanical, V8i V26, chill chiller, Hevacomp, netsys, Building Performance

Pipe sizing methods - heating and cooling

Duncan Brown — Wed, 27 Aug 2014 09:33:38 GMT

Revision 3 posted to Hevacomp Wiki by Duncan Brown on 8/27/2014 9:33:38 AM


	Applies To

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	All
	Environment:	N/A
	Area:	N/A
	Subarea:	N/A
	Original Author:	Bentley Technical Support Group

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are not considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

External Links

Bentley homepage

HevacompMechanical Designer

Bentley Technical Support KnowledgeBase

Bentley LEARN Server

Comments or Corrections?

Bentley's Technical Support Group requests that you please confine any comments you have on this Wiki entry to this "Comments or Corrections?" section. THANK YOU!

Tags: heat heating, Mechanical, V8i V26, chill chiller, Hevacomp, netsys, Building Performance

Pipe sizing methods - heating and cooling

Duncan Brown — Wed, 27 Aug 2014 09:32:45 GMT

Revision 2 posted to Hevacomp Wiki by Duncan Brown on 8/27/2014 9:32:45 AM


	Applies To

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	All
	Environment:	N/A
	Area:	N/A
	Subarea:	N/A
	Original Author:	Bentley Technical Support Group

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are NOT considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

External Links

Bentley homepage

HevacompMechanical Designer

Bentley Technical Support KnowledgeBase

Bentley LEARN Server

Comments or Corrections?

Bentley's Technical Support Group requests that you please confine any comments you have on this Wiki entry to this "Comments or Corrections?" section. THANK YOU!

Tags: heat heating, Mechanical, V8i V26, chill chiller, Hevacomp, netsys, Building Performance

Pipe sizing methods - heating and cooling

Duncan Brown — Wed, 27 Aug 2014 09:25:05 GMT

Revision 1 posted to Hevacomp Wiki by Duncan Brown on 8/27/2014 9:25:05 AM


	Applies To

	Product(s):	Hevacomp Mechanical Designer
	Version(s):	All
	Environment:	N/A
	Area:	N/A
	Subarea:	N/A
	Original Author:	Bentley Technical Support Group

Overview

While using Netsys Heating or Chilled water it may be noted that the pressure drop for pipe sections exceeds the maximum pressure drop provided through the system marker.

Method

The software follows these methods during sizing:

Initial sizing of pipe work based upon the required flow rate
Limiting velocities are considered and pipe sizes are increased using an iterative process if required. This can overrule the initial sizing.
Limiting pressure drops constraints are now checked against calculated pipe pressure drops, excluding fittings; Pipe sizes are increased using an iterative process if required.

This method considers limiting pressures drop for pipe sections only. Fitting pressure drops are NOT considered during steps 1, 2 and 3.
Once pipes are sized, the pressure drops for bends, tees and other fittings can be calculated. The pressure drops are then added to the pipe pressure drop to provide the Total pressure drop. The pressure drop/M is calculated from Total Pressure Drop/Pipe Length. This final figure is displayed on the results pages.

External Links

Bentley homepage

HevacompMechanical Designer

Bentley Technical Support KnowledgeBase

Bentley LEARN Server

Comments or Corrections?

Bentley's Technical Support Group requests that you please confine any comments you have on this Wiki entry to this "Comments or Corrections?" section. THANK YOU!

Pipe sizing - heating and cooling methods

Pipe sizing - heating and cooling methods

Overview

Method

Pipe sizing methods - heating and cooling

Overview

Method

Pipe sizing methods - heating and cooling

Overview

Method

See Also

External Links

Comments or Corrections?

Pipe sizing methods - heating and cooling

Overview

Method

See Also

External Links

Comments or Corrections?

Pipe sizing methods - heating and cooling

Overview

Method

See Also

External Links

Comments or Corrections?

Pipe sizing methods - heating and cooling

Overview

Method

See Also

External Links

Comments or Corrections?

Pipe sizing methods - heating and cooling

Overview

Method

See Also

External Links

Comments or Corrections?

Pipe sizing methods - heating and cooling

Overview

Method

See Also

External Links

Comments or Corrections?