rock thermal conductivity Articles

  • Thermal stress on bottom hole rock of gas drilling

    Gas drilling has higher penetration than mud drilling. The greatest reason for this phenomenon with gas is that the gas is greatly cooled by expansion as it passes through the bit and thereby cools the bottom of the hole. The thermal stress at bottom–hole occurs during this process. The concept of thermal crushing of rocks is analysed in this study. The theoretical methods are developed to ...


    By Inderscience Publishers

  • NAVFAC - Dense Non Aqueous Phase Liquid (DNAPL) Removal from Fractured Rock Using Thermal Conductive Heating (TCH) - Case Study

    The removal of Dense, Non-Aqueous Phase Liquids (DNAPLs) and associated dissolved phase compounds is challenging in fractured rock given permeability, matrix diffusion, and fracture connectivity issues. Modeling, laboratory treatability studies and a pilot scale application at the NAWC Trenton site were all part of this project. The results of modeling indicate that careful attention should be ...


    By TerraTherm, Inc.

  • Air and thermal coupling

    SoilVision systems Ltd. is pleased to announce the addition of full air and thermal coupling between the SVAirFlow® and SVHeat® Professional software packages. The addition extends the capabilities of the software to model flow of air in the pore space of soils. In particular, the flow of air as a result of thermal gradients can be accomplished. This addition allows benefits in modeling ...


    By SoilVision Systems Ltd.

  • High-Temperature Brazilian Test for Tensile Strength of Metamorphic Limestone

    This technical note presents a low-cost and fast, high-temperature tensile strength test of rocks. A series of splitting tensile strength tests, the so-called Brazilian test, were conducted on metamorphic limestone specimens at high temperature using a special triaxial cell assembly that can sustain a maximum temperature of 315°C. Results of these Brazilian tests at various temperatures (30, 100, ...


    By ASTM International

  • Coal Powder Plant

     Coal Crushing Plant,Coal Powder Plant,Coal Grinding Process The feeders load the ROM coal onto a reclaim ...


  • Mercury Analysis

    Characteristics of Mercury What is Mercury? Mercury is a naturally occurring silver-colored metallic element noted for its occurrence as a liquid at room temperature and toxic to living organisms. This silvery, opaque liquid metal is very dense, yet has a high surface tension that causes it to form tiny perfect spheres in the pores of the rocks it is found in. It is ...


    By HORIBA Europe GmbH

  • Utilizing unconventional water sources for industrial reuse

    Reclamation and reuse of unconventional wastewater sources for plant raw water, cooling water and process pre-treatment has increased substantially due to increases in the cost of drinking water, recurring water shortages that can impact business operations, and tightening government regulation. Water is required in almost every industrial sector for the processing and manufacture of products. ...


    By WesTech Engineering, Inc.

  • Sea Level Rise: Risk and Resilience in Coastal Cities

    Introduction One of the most dire impacts of anthropogenic climate change is a rise in the global sea level caused by the melting of glaciers and land-based ice caps, as well as a smaller increase from expansion due to the higher temperature of the water itself.  Unlike some other predicted effects of climate change, this impact has already been observed for some time.  Indeed, ...


    By Climate Institute

  • Greening the Built Environment

    ASTM Standards and Products Form the Foundation of Sustainable Construction Efforts Today, a major focal point for the worldwide building industry is the growing demand for sustainable construction. Sustainable, or “green,” construction is focused on the more effective use of resources and ultimately the creation of healthier, energy efficient, more environmentally ...


    By ASTM International

  • Operator Strategies : Sorting Out the Plastic

    BETTER BUGS Ideas and products in the Better Bugs category attempt to affect the biological components and biochemistry of processes by altering the mix of microorganisms or enzymes present. After all, biology is the foundation of many, if not most, organics recycling systems. Pyrophiles: The first example of Better Bugs involves pyrophilic organisms, bugs that can take the heat. This example is ...


    By BioCycle Magazine

  • Sick-building syndrome and building-related illness

    Significant health problems linked to very poor indoor air qualityIndoor Air Quality (IAQ) deals with the content of interior air that could affect health and comfort of building occupants. The IAQ may be compromised by microbial contaminants (mold, bacteria), chemicals (such as carbon monoxide, radon), allergens, or any mass or energy stressor are more prevalent than anyone could have predicted. ...

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