experiments on high temperature graphite and steam

What gaskets can I use for Steam? What is superheated

Superheated steam is steam at a higher temperature than is found on the saturated steam curve for that particular pressure. We recommend GRAPH-LOCK styles or graphite/metal gaskets ( FLEXSEAL RWI, GRAPHONIC, Kammprofile, etc.) for superheated steam.

In

1993/1/1The fuel elements for the Modular High-Temperature Gas-Cooled Reactor (MHTGR) are to be manufactured from a near-isotropic graphite, such as grade H-451. Low concentrations of impurities, including water vapor, will be present in the helium coolant, primarily because of small, undetected leaks and outgassing of the graphite as temperatures are increased.

EXPERIMENTAL STUDY ON EFFECT OF TEMPERATURE AND REACTANT GAS VELOCITY ON OXIDATION OF NUCLEAR GRAPHITE

The oxidation of nuclear graphite is inevitable as a result of impurities in helium coolant, and it will become more serious when air or steam ingress accident occurs in High Temperature Gas-cooled Reactor (HTGR). To investigate the oxidation behavior of a

SODIUM NITRATE FOR HIGH TEMPERATURE LATENT HEAT

Our ongoing research focuses on high temperature latent heat storage designs for the two phase heat carrier water-steam in the temperature range 120 to 350 C. The condensation and evaporation temperature of the carrier is pressure dependent and occurs

Experiments and transient simulation on spring

Experiments and transient simulation on spring-loaded pressure relief valve under high temperature and high pressure steam conditions Liu Yang 1, Zhoujie Wang 1, 2, William Dempster 3, Xinhai Yu 1, *, Shan-Tung Tu 1 1 Key Laboratory of Pressure Systems

December 2019 Consider a Graphite Infused Carbon Seat for Isolation in Steam and High Temperature Applications

Consider a Graphite Infused Carbon Seat for Isolation in Steam and High Temperature Applications Posted by Sarah Bradley Isolating flow in critical applications and protecting key equipment remains a top priority for petrochemical and refining companies.

High temperature gasket sheets

Final Advanced Materials cuts and produces high-temperature gasket sheets from soft materials, from prototypes to large series. From -200 C to over 900 C, our product range covers most industrial applications. Gasket sheets are recommended for producing flat sealing pieces intended to be compressed between two other parts.

ATOMIC ENERGY rafiSS L'ENERGIE ATOMIQUE GRAPHITE

To test the concept of a graphite-sheathed, coated-particle fuel element suitable for a superheated steam-cooled reactor, we have fabricated and irradiated two experiments, X-434 and X-449, at Chalk River during the years 1968 and lfi74. These experiments are

High Temperature Gland Packing

Structure : Composed of lubricating carbon fibre, exfoliated Graphite, high temperature and high pressure lubricants / proprietary synthetic binders. Application : Recommended where shaft is scored and equipment is working at high temperature and high pressure.

Graphite as radioactive waste : corrosion behaviour under

The experiments were performed in an argon flow and steam in the temperature range of 870 – 1060 C. Comparison of the release rate ratios of the volatilised radionuclides 14C and 3H with the release of 12C showed that under all experimental conditions tritium and 14C were released faster than the graphite sample was oxidised.

Worcester Controls High Pressure and High Temperature Ball

flowserve 7 Metal-Seated Version Integral Graphite Seat Seal Metal "A" or Metal "G" Seats Hard Nickel-Coated Ball PT44 High-Per Mizer A High-Durability Ball Valve for Superheated Steam, High-Temperature and Abrasive Fluid Applications High-Per Mizer

Consider a Graphite Infused Carbon Seat for Isolation in

2019/11/14However, an optimized alternative to soft and metal ball valve seats for high temperature applications is a proprietary blend of carbon infused with graphite, named Gratite. Gratite seats are effective because the carbon provides the high temperature characteristics required while the infused graphite provides a soft cushion against the ball to achieve the zero-leakage desired for liquids

High Temperature Gland Packing

Structure : Composed of lubricating carbon fibre, exfoliated Graphite, high temperature and high pressure lubricants / proprietary synthetic binders. Application : Recommended where shaft is scored and equipment is working at high temperature and high pressure.

Experimental Investigation of Convection Heat Transfer

Figure 5(a) shows a typical example of the graphite temperature data obtained in each test. These results are from forced convection experiments carried out with air at 23.8 bar, 0.015 kg/s (Re in = 60,000), 473 K midplane graphite temperature, and 2.4 kW total

High

NUK High-Pressure Steam Generator The NUK High-Pressure Steam Generator is a closed-looped (hermetically sealed) system that produces steam for high-temperature applications. Therefore, this steam generator is able to produce non-toxic process heat while offering the same advantages of a conventional hot oil system .

ATOMIC ENERGY rafiSS L'ENERGIE ATOMIQUE GRAPHITE

To test the concept of a graphite-sheathed, coated-particle fuel element suitable for a superheated steam-cooled reactor, we have fabricated and irradiated two experiments, X-434 and X-449, at Chalk River during the years 1968 and lfi74. These experiments are

High temperature gasket sheets

Final Advanced Materials cuts and produces high-temperature gasket sheets from soft materials, from prototypes to large series. From -200 C to over 900 C, our product range covers most industrial applications. Gasket sheets are recommended for producing flat sealing pieces intended to be compressed between two other parts.

Consider a Graphite Infused Carbon Seat for Isolation in

2019/11/14However, an optimized alternative to soft and metal ball valve seats for high temperature applications is a proprietary blend of carbon infused with graphite, named Gratite. Gratite seats are effective because the carbon provides the high temperature characteristics required while the infused graphite provides a soft cushion against the ball to achieve the zero-leakage desired for liquids

10.1016/0920

10.1016/0920-3796(95)80030-2 10.1016/0920-3796(95)80030-2 2020-06-11 00:00:00 To obtain fundamental data for safety analyses of fusion reactors with regard to loss of coolant inside the vacuum vessel, the rate of corrosion reaction between high temperature graphite and steam was measured experimentally between 1000 and 1600 C.

Framatome HTGR

Framatome's Steam Cycle High-Temperature Gas-Cooled Reactor (SC-HTGR) is a small, modular, graphite-moderated and helium-cooled, high-temperature nuclear reactor with a nominal peak power of 625 MWt. The SC-HTGR is being developed for a wide variety of applications, including industrial process heat, hydrogen production, and moderate electricity generation.

Graphite Oxidation Simulation in HTR Accident

The U.S. Department of Energy's Office of Scientific and Technical Information article{osti_1053849, title = {Graphite Oxidation Simulation in HTR Accident Conditions}, author = {El-Genk, Mohamed}, abstractNote = {Massive air and water ingress, following a pipe break or leak in steam-generator tubes, is a design-basis accident for high-temperature reactors (HTRs).

Constitutive equation of compacted graphite iron

2021/2/19Compacted graphite iron (CGI) is an ideal material for the cylinder block and cylinder head of diesel engine because of its excellent physical and mechanical properties. At present, the researches on CGI mainly focused on experimental study of machining CGI, there are few studies on the cutting simulation of CGI, especially the high-speed machining simulation of CGI, and the constitutive

EXPERIMENTAL STUDY ON EFFECT OF TEMPERATURE AND REACTANT GAS VELOCITY ON OXIDATION OF NUCLEAR GRAPHITE

The oxidation of nuclear graphite is inevitable as a result of impurities in helium coolant, and it will become more serious when air or steam ingress accident occurs in High Temperature Gas-cooled Reactor (HTGR). To investigate the oxidation behavior of a

In

1993/1/1The fuel elements for the Modular High-Temperature Gas-Cooled Reactor (MHTGR) are to be manufactured from a near-isotropic graphite, such as grade H-451. Low concentrations of impurities, including water vapor, will be present in the helium coolant, primarily because of small, undetected leaks and outgassing of the graphite as temperatures are increased.

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