3 edition of Measurement of the density of base fluids at pressures to 2.2 GPa found in the catalog.
Measurement of the density of base fluids at pressures to 2.2 GPa
by NASA, For sale by the National Technical Information Service in [Washington, D.C.], [Springfield, Va
Written in English
|Statement||Bernard J. Hamrock and Bo O. Jacobson and Sten-Ivar Bergström ; prepared for the annual meeting of the American Society of Lubrication Engineers, Toronto, Canada, May 12-15, 1986|
|Series||NASA technical memorandum -- 87114|
|Contributions||Jacobson, Bo O., 1942-, Bergström, Sten-Ivar, United States. National Aeronautics and Space Administration|
|The Physical Object|
In situ high P density measurements are restricted to two P points for molten K 2 Ca(CO 3) 2 ( g∙cm-3 at GPa ℃, g∙cm-3 at GPa ℃, and g∙cm-3 at 4 GPa ℃) using the falling sphere technique (Dobson et al., ). View in article. The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile unit, named after Blaise Pascal, is defined as one newton per square metre. The unit of measurement called standard atmosphere (atm) is .
fluids mainly used in the high pressure hydraulic system. Fire Resistant Fluids These fluids generate less heat when burnt than those of mineral oil based fluids. As the name suggests these fluids are mainly used in industries where there are chances of fire hazards, such as foundries, military, die-casting and basic metal Size: 1MB. A Routine High-Pressure Viscometer for Accurate Measurements to 1 GPa Article (PDF Available) in Tribology Transactions July-September (3) August with Reads.
the differential and static pressure, fluid temperature, and fluid density and/or relative den sity (specific gravity), and either mechanical recording devices or electronic calculators. Publications of the A.G.A., API, GPA,3 and others should be used to specify and install. 1. Determine the density of the liquid at base conditions (U Õ â base density); a function of the liquid’s composition or the liquid’s observed density, temperature, and pressure 2. Determine the Correction for the Temperature and Pressure of the Liquid (% Í É Å); a function of the liquid’s temperature, pressure, equilibrium vapor File Size: 76KB.
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Get this from a library. Measurement of the density of base fluids at pressures to GPa. [Bernard J Hamrock; Bo O Jacobson; Sten-Ivar Bergström; United States. National Aeronautics and. The influence of pressure on the density of six base fluids is experimentally studied for a range of pressures from to GPa.
An important parameter used to describe the results is the cha Cited by: 5. The influence of pressure on the density of six base fluids is experimentally studied for a range of pressures from to GPa.
An important parameter used to describe the results is the change in relative volume with change in pressure dv sub r/dp.
are described, one for measurement of the bulk modulus at low pressures and the other for measurement of the compression curves for high pressures up to GPa for liquid Size: 4MB. EHD friction curves have been measured up to very high pressure (pmean = 5 GPa, pmax = GPa) using a newly developed, rolling-sliding, ball on disc machine, the ETM.
Six base fluids have been studied, spanning the API base oil categories Group I to Group V. At high pressures, thermal effects become substantial even at quite modest slide-roll ratios, and these must be considered when Author: Jie Zhang, Hugh Spikes. Density Measurements of Fluids and Their Mixtures at High Pressure Article (PDF Available) in Chemical Engineering & Technology 30(6) June with Reads How we measure.
mercury column overhead, while the pressure PB at point B is that of the atmosphere overhead. We obtain PA from measurement of h: () where ρHg = g cm-3 is the density of mercury and g =ms-2 is the acceleration of gravity.
The mean value of h measured at sea level is cm, and the corresponding atmospheric pressure is x kg File Size: 59KB. How to Calculate Water Flow Through a Pipe Based on Pressure Find conversion tables online and convert pressure to Pa, density to kg/m^3, height to m and velocity to m/s. (y_1) = P_2 + _p_(v_2)^2 + p_g_y_2 where P_1 and P_2 are initial and final pressures, respectively, p is the density of the water, v_1 and v_2 are initial and final.
The ROCL Liquid Application Software Suite enables the ROC platform to perform API compliant liquid flow calculations. The standard features make the ROC ideal for fiscal measurement, LACT unit custody transfer, pipeline metering, batching, meter proving, and custom reporting. The Liquids Application Software Suite consists of the.
Determining the pressure drop when the the pipe length and diameter are given for a spec-iﬁed ﬂow rate (or velocity) 2. Determining the ﬂow rate when the the pipe length and diameter are given for a speciﬁed pressure drop 3. Determining the pipe diameter when the pipe length and ﬂow rate are given for a speciﬁed pressure drop File Size: KB.
2 2 2 2 2 2 2 1 1 1 J J h L Procedure 1. The apparatus should be accurately leveled by means of screws provided at the base.
Connect the water supply to the radial diffuser in the upstream tank. Adjust the level of the discharge pipe by means of the stand and clamp provided to a convenient position. Size: 3MB. E.H. Higham, W.
Boyes, in Instrumentation Reference Book (Fourth Edition), Measurement of Density Using a Hydrostatic Head. The hydrostatic-head method, which continuously measures the pressure variations by a fixed height of liquid, has proved to be suitable for many industrial processes and continues to be a most commonly used method.
The tested lubricant in this work is a POE (polyol ester) oil, POE diluted with nonchlorinated (HFC) refrigerant Ra, a naphthenic mineral oil, and the mineral oil diluted with the chlorinated (HCFC) refrigerant R The high-pressure chamber experiments show that by adding 20 wt% of Ra to the polyol ester oil, the stiffness of the lubricant increases by approximately 38 wt% Cited by: Our density measurements were carried out in the pressure range from to GPa at 2, to 2, °C.
The diamond marker was neutrally buoyant at GPa and 2, °C in the hydrous MORB Cited by: Manual of Petroleum Measurement Standards Chapter 11—Physical Properties Data. Section 2, Part 4—Temperature Correction for the Volume of NGL and LPG Tables 23E, 24E, 53E, 54E, 59E, and 60E ASTM Technical Publication [Stock No.
PETROLTBL-TP27] GPA Technical Publication TP Measurement Size: KB. These meters can be used on liquids and most gases. They directly measure weight (mass). If the desired measure is volume, then some correction for density at fluid base conditions must be made.
Most models of the meter offer both mass rate and density for liquids from one device. Since these meters react to mass, they can be used (within. x,low relative density at the observed temperature corresponding to the lower boundary for the 60°F relative density x,mid relative density at the observed temperature corresponding to the intermediate 60° relative density used in Section iteration procedure x,trial trial))File Size: 1MB.
0 allows the density and compressibility for each of these three liquids to be calculated as a function of pressure to 25 GPa. Both the molar volume and isothermal compressibility of CaMgSi 2O 6-CaAl 2Si 2O 8 liquids mix ideally between 0 and 25 GPa. The dominant mechanism of compression at low pressure (0–5 GPa) for all three liquids (CaMgSi Cited by: temperature and the base temperature, FP is the compressibility coefficient, and δT is a small base temperature correction value.
In the Standard, αT was correlated to the density at a 60°F base temperature and 0 psig pressure, ρ*, and is denoted as α The CTL equation was developed as a correction to 60°F density, so T =60 and δ.
1 GPa = 10 9 Pa (N/m 2); Stainless steel with Bulk Modulus 10 9 Pa is aprox. 80 times harder to compress than water with Bulk Modulus 10 9 Pa. Example - Density of Seawater in the Mariana Trench - the deepest known point in the Earth's oceans - m. The hydrostatic pressure in the Mariana Trench can be calculated as.
p 1 = ( kg/m 3) ( m/s 2) ( m). in pressure as the fluid passes thru the orifice is a result of the V = Volume at Condition 1 or 2 2 = Base Conditions T = Temperature at Condition 1 or 2. Fundamentals of Orifice Meter Measurement ® ® ® ® ® Fundamentals of Orifice Meter Measurement.
Daniel.tional to the vertical distance z between the points and the density rof the fluid. In other words, pressure in a fluid increases linearly with depth. This is what a diver experiences when diving deeper in a lake.
For a given fluid, the vertical distance z is sometimes used as a measure of pressure, and it is called the pressure File Size: 1MB.One of the methods for growing diamonds in the laboratory, the high pressure high temperature (HPHT) method, is by subjecting carbon to high temperature over °C and pressure of about 5 GPa.
Generally, diamond seeds are used as a base and graphite is a high-purity carbon source from which the new diamond grows.