A smartphone-operated air pressure meter and system includes an air pressure meter having a pair of input channels that are each connected to a pressure chamber and pressure sensor. A control unit is included with the pressure meter for receiving air pressure data and for transmitting the same. The system also includes an airflow balancing application that generates one or more application icons, and calculates airflow information. The airflow information can include the received pressure data alone, or pressure data that has been applied to a mathematical algorithm, along with environmental data.

Consolidated porous media samples and methods for their manufacture are described herein. An assembly has an outer tube having a first softening temperature and a sintered glass construct formed from plurality of beads of multiple sizes. The sintered glass construct defines pores and at least one fracture or channel. The assembly is formed by suspending at least one sheet or wire of dissolvable material in the outer tube, packing beads of different sizes around the sheet or wire, sintering the beads with the sheet or wire located therein at a temperature below the softening temperature of the tube, and dissolving the sheet or wire to generate a sintered construct defining at least one fracture or channel.

A system and method access field device information in an industrial process control and automation system. The system includes a memory element configured to store a plurality of device data associated with a plurality of field devices operating at a pipeline. The system also includes at least one processor configured to communicate with one or more transmitters coupled to the plurality of field devices. The at least one processor is also configured to retrieve, from each of the one or more transmitters, the plurality of device data related to each of the plurality of field devices. The at least one processor is also configured to send a command to a field device of the plurality of field devices based on the plurality of device data.

Disclosed is a method for detecting disconnection of a closed breather 18 separating and recovering oil mist from blow-by gas 17 extracted from an engine 1 to return the blow-by gas through a gas return pipe 19 to an intake pipe 5. Under condition of no exhaust gas 9 recirculation being conducted, a mass flow rate of in-cylinder working gas is calculated based on a boost pressure, an intake temperature of an intake manifold 7 and a rotational frequency of the engine, and whether the calculated mass flow rate is divergent from a value detected by an air flow sensor 24 is determined. When determined to be divergent, the divergence in a last determination is compared with a current divergence; if difference between the divergences is beyond a predetermined range, the gas return pipe 19 is determined to be in disconnection from the intake pipe 5.

Disclosed is a method for detecting disconnection of a closed breather 18 separating and recovering oil mist from blow-by gas 17 extracted from an engine 1 to return the blow-by gas through a gas return pipe 19 to an intake pipe 5. Under condition of no exhaust gas 9 recirculation being conducted, a mass flow rate of in-cylinder working gas is calculated based on a boost pressure, an intake temperature of an intake manifold 7 and a rotational frequency of the engine, and whether the calculated mass flow rate is divergent from a value detected by an air flow sensor 24 is determined. When determined to be divergent, the divergence in a last determination is compared with a current divergence; if difference between the divergences is beyond a predetermined range, the gas return pipe 19 is determined to be in disconnection from the intake pipe 5.

A process fluid flow system includes a first pipe skin sensor and a second pipe skin sensor. The first pipe skin sensor is disposed to measure an external temperature of a process fluid conduit at a first location on the process fluid conduit. The second pipe skin sensor is disposed to measure an external temperature of a process fluid conduit at a second location on the process fluid conduit. Measurement circuitry is coupled to the first and second pipe skin sensors. A controller is coupled to the measurement circuitry and is configured to identify a process fluid flow condition based on signals from the first and second pipe skin sensors and to output an indication of the process fluid flow condition.

An undershot gate system controls flow of liquid through an open channel or pipe. The system includes a gate leaf adapted to be raised and lowered by a control to allow flow of liquid along the open channel or pipe. The gate leaf has a flow diverter at an end of the gate leaf to guide liquid under the gate leaf and through an opening when the gate leaf is in an open position.

Compositions and methods are provided for a system in which liquid carbon dioxide, or a mixture of liquid and gaseous carbon dioxide, is converted to solid carbon dioxide by exiting an orifice at a sufficient pressure drop, e.g., for delivery of carbon dioxide to a concrete mixture in a mixer.

Compositions and methods are provided for a system in which liquid carbon dioxide, or a mixture of liquid and gaseous carbon dioxide, is converted to solid carbon dioxide by exiting an orifice at a sufficient pressure drop, e.g., for delivery of carbon dioxide to a concrete mixture in a mixer.

A method for operating a flowmeter is provided. The method includes the steps of measuring a fluid flow in the flowmeter, determining at least one fluid characteristic, determining a preferred algorithm of a plurality of algorithms based upon the fluid flow and the at least one fluid characteristic, and applying the preferred algorithm to an operating routine.