Water Hammer Articles

  • Reducing the Likelihood of fluid hammers in steam applications

    Many of us have heard the sound of pipes banging as we turn a faucet on or off. This sound is the water in the pipe being forced to stop or suddenly change direction and is called “water hammer.” ...


    By Sierra Instruments, Inc.

  • Further investigation on water-hammer control inline strategy in water-supply systems

    This paper revisited the inline re-design strategy used for water-hammer control into an existing steel-piping water supply system to further promote a comprehensive exploration of the entire design driven parameters set, including pressure-head, circumferential-stress and radial-strain behaviors. This strategy consists of replacing a short-section of the transient sensitive region of the ...


    By IWA Publishing

  • Water hammer suppression for long distance water supply systems by combining the air vessel and valve

    In long distance water supply projects, the air vessel is an effective and reliable protection measure to control water hammer. Although it can effectively eliminate water hammer during the process of hydraulic transient, the volume of the traditional air vessel is large due to the long distance pipeline, resulting in high investment. In this paper, based on the analysis of the transient in ...


    By IWA Publishing

  • Application of the LBM with adaptive grid on water hammer simulation

    A lattice Boltzmann method (LBM) is utilized to solve single-phase transient flow in pipes. In order to eliminate grid limitation related to the method of characteristics, governing equations are modified using appropriate coordinate transformation. The introduced modification removes connection between Courant number and spatial disposition of the computational nodes, forming a more flexible ...


    By IWA Publishing

  • The effect of water hammer on a confined air pocket towards flow energy storage system

    This research studies the behavior of a fully confined air pocket under the effect of water pulses induced by a water hammer phenomenon using several experimental tests in a pressurized transient condition. A compressed air vessel (CAV) has been tested under transient conditions to show its ability to absorb the pressure surges and to demonstrate the energy storage capability of the air ...


    By IWA Publishing

  • Customers Problem - Results of Komax Scepter Direct Injection Steam Heater

    A major industrial account in the state of Maine needed to heat a large rectangular tank of water in less then 30 minutes to provide quick startup to their production. After seeing the simplicity of the Komax "Scepter" direct steam tank heater with no moving parts they ordered one. RESULTS OF KOMAX SCEPTER DIRECT INJECTION STEAM HEATER The 6 inch diameter Scepter Heater was ...


    By Komax Systems, Inc.

  • Water hammer (hydraulic shock) causes and preventative measures

    Water hammer (or hydraulic shock) is the momentary increase in pressure inside a pipe caused by a sudden change of direction or velocity of the liquid in the pipe. Water hammer can be particularly dangerous because the increase in pressure can be severe enough to rupture a pipe or cause damage to equipment. Therefore, the proper opening and closing of valves is fundamental to safe pipeline ...


    By BakerCorp

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