1 Sep Damage to Steam Turbines Used for Electric Power Generation – Fossil Fueled Plants,” ASME TDP-1 TDP-1 was originally published. 25 May Buy ASME TDP Recommended Practices For Prevention Of Water Damage To Steam Turbines Used For Electric Power Generation. Generation – Fossil Fueled Plants,” ASME TDP-1 TDP-1 was originally published in and subsequently revised in , and The new.
|Published (Last):||1 November 2011|
|PDF File Size:||9.27 Mb|
|ePub File Size:||7.57 Mb|
|Price:||Free* [*Free Regsitration Required]|
Enter your account email address to request a password reset: Calculating steam flow through vents.
Asme tdp 1 free download
This Standard is not intended to impose new requirements retroactively for existing facilities. When the two velocities are equal, this tfp represents choked flow conditions at the vent outlet.
If you like to setup a quick demo, let us know at support madcad. Similarly, if the drain line is discharging to the atmosphere, txp is usually connected to a large-diameter manifold joined to the vent stack or directly connected to the vent stack.
Note that for a asme tdp 1 2006 steam header pressure P1 the rate of steam flow through the pipe reaches steady-state conditions for long pipes. This Standard is not intended to impose new requirements retroactively for existing facilities.
Domestic Water Pipe Sizing. Enter your personal account email address to request a password reset: This article presents a useful calculation procedure for sizing drain lines so that they do not restrict the necessary drain flows. The bottom of the vent stack is fitted with a drain line to discharge condensate asme tdp 1 2006 at the bottom of the vent. This mass flow rate was also evaluated for the same 2-inch drain used in a typical power plant Figure 5.
Figure 2 illustrates assme percentage of times asme tdp 1 pdf events contribute to water Asme tdp 1 free download. The pressures assumed in the figure are typical of the range of values asme tdp 1 2006 in steam headers during start-up of the STG. Copyright Compu-tecture, Inc.
Proper Sizing of Steam Header Drains Prevents Water Induction ASME TDP-1
Thirty-thousand of these members are students. Not Logged In Member?: Visit FileOpen to see the full list. Asme tdp 1 2006 steam 200 through the drain line could, in turn, limit the heat-up rate of the steam header, thus increasing plant start-up time.
The downstream choked flow pressure can be determined using an iterative calculation methodology.
As expected, wsme mass flow rate decreases as the drain line resistance increases. The steam header drains can also axme connected directly to a vent stack that is open to the atmosphere and fitted with a bottom drain for condensate removal. Windows XPVista78 Total downloads: Asme Tdp 1 Pdf File size: Steam Drains Pid Tg.
They were placed on your computer when you launched this website. Please login to your authorized asme tdp 1 2006 account to use this feature. As expected, the results of both sets of calculations illustrate that the vent inlet and vent outlet pressures decrease with increasing vent sizes.
asme tdp 1 2006
Properly sized drains prevent a primary cause of both water induction and water hammer. Scribd is the world’s largest social reading and publishing site. This calculation procedure can be used by plant designers to determine the blowdown flow rate through a specific piping system for any given upstream pressure. In this case, the choke point occurs as pressure falls off and asme tdp 1 2006 increases to sonic velocity at the downstream end of the pipe.
E-mail Back to log-in.
Calculating steam flow through drains. Turbine water induction damages the steam turbine internals due to warping, cracking, or distortion of metal parts caused by severe quenching of the hot casing, rotor shaft, and blades.
Zaheer Akhtar, PE Not directly discussed in the ASME asme tdp 1 2006 is the fact that the presence of water in steam lines can also result in water hammer in the steam piping. Visit FileOpen to see the full list. Drain valves are provided with additional control logic to open in case of high water level in the drain pot.
This computation, though tedious, is quite simple when programmed in a spreadsheet program such as Microsoft Excel. About ASME ASME is a not-for-profit membership asmw that enables collaboration, knowledge sharing, career enrichment, and skills development across all engineering disciplines, toward a goal of helping the global engineering community develop solutions to benefit lives and livelihoods.
You can change asme tdp 1 2006 asem settings through your browser. The damage due to turbine water induction and water hammer in power plants is more common than you might imagine and has been experienced assme many power plants.