Berkeley, USA: Lawrence Berkeley National Laboratory. Engineering reference: The reference to EnergyPlus calculations. London: The Government’s Energy Efficiency Best Practice Programme.ĮnergyPlus (2011). Energy Consumption Guide19-Energy Use in Offices. London: Department of Energy and Climate Change.ĮCG-19 (2000). Washington, DC: National Bureau of Standards.ĭECC (2010). HVACSIM+ Building Systems and Equipment Simulation Program Reference-Users Guid. London: Chartered Institution of Building Services Engineers.Ĭlark D, William B, May JR (1985).
London: Chartered Institution of Building Services Engineers.ĬIBSE (2009). Syracuse, USA: Carrier Corporation.ĬIBSE (2004). New Features in the Carrier Hourly Analysis Program-v4.6. Syracuse, USA: Carrier Corporation.Ĭarrier (2012). California, USA: Simulation Research Group, Lawrence Berkeley Laboratory, University of California.Ĭarrier (2003). Overview of the DOE-2 Building Energy Analysis Program. ASHARE Journal, 35(7): 45–49.īridsall B, Buhl EF, Ellington KL, Erdem AE, Winkelmann FC (1990). Designing and commissioning variable flow hydraulic systems. Atlanta, USA: American Society of Heating, Refrigerating and Air-Conditioning Engineers.Īvery G (1993). Atlanta, USA: American Society of Heating, Refrigeration and Air-Conditioning Engineers.ĪSHRAE (2009). ASHRAE handbook-HVAC systems and equipment. Slack between actuator and valve stem (−) Δ PĪSHRAE (2008). Incoming control signal to the actuator of control valve at previous time step (−) Δ p Incoming control signal to the actuator of control valve (−) γ t− Pump speed fraction, rotation speed of a pump divided by its maximum designed rotation speed (−) tĪverage velocity of fluid flow inside the pipe (m/s) Wįirst guess in Newton-Raphson algorithm (−) ρ Opening fraction of control valve at previous time step (−) P Opening fraction of control valve (−) p t− Number of parallel branches in a hydronic system (−) N
Hysteresis between valve stem and actuator (−) itr Flow fraction of outlet branches in flow diverter ‘Tee’ component (−) flow min