Bentley sisHYD V8i

System Functions

• Supports multiple network types
• District heating 
  • Two or three conductor networks (symmetric or asymmetric)
  • Water or steam
• District cooling
  • Two conductors

Advantages

• Network design aids for setting pipe diameters
• Rapid network design using existing attribute data for new features
• Fast and easy data acquisition using digital maps as a background
• Output as easy-to-read tabular reports or maps

Design Calculations and Analysis

• Calculation of hydraulic and thermal network parameters
• Design new networks using design aids for placing appropriate pipe diameters
• Generate reports that calculate equipment and construction costs
• District heating specific controls: mass flow control, differential pressure control, temperature control (in general and specialized as bypass control and admixture control)
• Use pump and valve specifications provided by manufacturers for modeling
• Validation that calculated elements are operating within their assigned limits
• Design of pipe inner diameters by limiting the specific pressure loss and velocity 
  • Designs can be done on the entire network, network segments, by pipe types, or selected pipes
• Network analysis to find critical points (such as pressure differences and temperatures)

Scalable Network Modeling

• Unlimited number of consumers
• Unlimited number of loops
• All network components are modeled as  “elements” (pipes, pumps, valves, supplier, consumer)

Special functions

• Complete thermal calculation of the network
  • Thermal dynamic calculation
  • Heat losses of pipes
  • Consideration of different supply service temperatures
  • Temperature plots (color-coded network plot, profile plot)
  • Bypass between supply and return with and without control valves/pumps
  • Supply of customers from the return when operating conditions are favorable
  • Return temperature may be modeled as a dependency of the supply temperature 
  • Admixture control support
• Simulation of arbitrary pump tasks
• Preconfigured yet customizable units of measure

Energy Balance Modeling

• Heat generation
• Heat consumption
• Overall heat loss
• Pumps

Data Management

• Data stored in open database
• External applications can access the published database schema
• Re-use data generated in Bentley sisNET to avoid redundant data models
• Exchange data for use with third-party optimization tools (load distribution, daily resource scheduling, pump optimization, interfacing with computer process control)

Reports, Maps, and Charts

• Generate tabular lists and reports
• Create presentation map plots with labeling to document analysis results
• Configure network map plots to display selected objects and results as labels
• Apply color and weight coding to map plots based on attributes 
  • Color-code pressure differences or supply temperatures
  • Thematically apply line weights based upon the internal pipe diameter
• Create profile plots of node and pipe results along user-defined network routes
• Generate time series plots at specific points on the network showing details for each time step
• Easily export map graphics to PDF for archiving and distribution
• Publish network plots at user-defined map scales
• Symbology and annotation collision detection support

Usability

• User-friendly interface with intuitive tools
  • Tooltip displaying analytical results
  • Objects intelligently linked between map graphics and profile, reports, and logs
• Integrates with print preparation tools
• Seamless integration with CAD software
• Trace and search in the map views
• Validation of input data
• Context sensitive online help
• Workflows supported by wizards