%PDF-1.4 % 6 0 obj<> endobj xref 6 24 0000000016 00000 n 0000000956 00000 n 0000000776 00000 n 0000001032 00000 n 0000001159 00000 n 0000001351 00000 n 0000002538 00000 n 0000002572 00000 n 0000008519 00000 n 0000009701 00000 n 0000010746 00000 n 0000011919 00000 n 0000014587 00000 n 0000025309 00000 n 0000025521 00000 n 0000037193 00000 n 0000037410 00000 n 0000047870 00000 n 0000048072 00000 n 0000080704 00000 n 0000080940 00000 n 0000171050 00000 n 0000230582 00000 n 0000230658 00000 n trailer <<78f181e8bdef11e0acae001b63a092e0>]>> startxref 0 %%EOF 8 0 obj<>stream xb``e``a .Y808 B1 ^z'??c)fU*`scƀ0ﲼL020 L@l` | endstream endobj 7 0 obj<> endobj 9 0 obj<> endobj 10 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 11 0 obj<> endobj 12 0 obj[/ICCBased 17 0 R] endobj 13 0 obj<>stream 1 g /GS1 gs 0 792 m 0 792 l f q 1 i 0 792 612 -792 re W n 0 792.06 612 -792 re W n /Cs6 cs 0.91765 0.72941 0.36078 scn /GS2 gs 0 0.059998 48.857 792 re f 1 1 1 scn /GS1 gs 0 640.708 612 151.352 re f Q q 1 i -19 801 640.667 -160.292 re W* n 0 792 612 -792 re W n 0 792.06 612 -792 re W n q 631.256104 0 0 160.553497 -19 640.446533 cm /Im1 Do Q Q q 1 i 0 792 612 -792 re W n 0 792.06 612 -792 re W n /GS2 gs BT /F1 1 Tf 24 0 0 24 68.2143 598.8786 Tm /Cs6 cs 0.13725 0.12157 0.12549 scn -0.0001 Tc 0.0222 Tw [(DR10Heater T)73.9(ube Deposit Rater)]TJ 14 0 2.9758 14 68.2143 577.5787 Tm (Innovation by AD Systems)Tj 10 0 0 10 78.4643 556.9452 Tm [(The Jet Fuel Thermal Oxidation T)73.9(est \(JFTOT)]TJ 5 0 0 5 231.732 560.664 Tm 0 Tc 0 Tw ()Tj 10 0 0 10 235.731 556.9452 Tm -0.0001 Tc 0.0222 Tw (\) ASTM D3241 is universally used by)Tj -16.7267 -1.2 TD [(the industr)-17.9(y to measure high temperature stability of aviation turbine fuels. The ASTM)]TJ T* [(D3241 is required to be run on ever)-17.9(y batch of jet fuel produced according to ASTM)]TJ T* [(D1655 or DEF ST)54.8(AN 91-91 specifications. In this test method, the fuel is pumped)]TJ T* (through heater tube at fixed flow rate and during a specified period of time. The fuel )Tj T* (is pass or fail rated according to the amount of deposit formed on the heater tube at a)Tj T* (specified temperature.)Tj 1 -1.2 TD [(T)74(raditionally)54.9(, the amount of deposit on the tube is rated visually against a reference)]TJ -1 -1.2 TD [(color scale. The proper rating requires significant experience and expertise. However)73.9(,)]TJ T* [(operator capabilities var)-17.9(y)54.9(,)0( so evaluation of color can be quite subjective.)]TJ 1 -1.2 TD (Many articles have been published on the fact that color does not provide real infor-)Tj -1 -1.2 TD (mation on the thickness and volume of deposits, parameters which are far more mean-)Tj T* (ingful for characterizing jet fuels for users and suppliers.)Tj 1 -1.2 TD [(The aviation fuel industr)-17.9(y found that one of the most crucial stages of this test method is)]TJ -1 -1.2 TD (an objective analysis of deposit produced on the heater tube.)Tj 1 -1.2 TD (A new instrumental method of quantitative measurement of tube deposits has been devel-)Tj -1 -1.2 TD (oped by AD Systems, in which the thickness of the deposit is accurately determined by an)Tj T* [(automatic instrument, reducing test subjectivity)54.9(.)]TJ 1 -1.2 TD [(The innovative DR10 instrument)-443.9(uses an interferometr)-17.9(y technique for precise measure-)]TJ -1 -1.2 TD (ment of deposit thickness in nanometers. This stand-alone compact instrument can be easi-)Tj T* (ly installed in any location in minutes. The operation is based on a powerful light source, a)Tj T* (spectrometer with fiber optic probe and specially designed application software.)Tj 1 -1.2 TD [(The DR10 test is simple and straightfor)-17.9(ward. The heater tube is prepared according to)]TJ -1 -1.2 TD (ASTM D3241 test procedure and is then placed in the test chamber of the DR10. Using an)Tj T* (intuitive graphical interface with touch screen panel, the operator enters sample information)Tj T* (and starts a tube scan.)Tj 1 -1.2 TD (Specific light is emitted and directed onto the surface of the heater tube. The reflected)Tj -1 -1.2 TD (light is collected and the interference created by the deposit is monitored by the spectrome-)Tj T* [(ter)73.9(. The software analyzes the interference and calculates the deposit thickness. Precise)]TJ T* (thickness measurements are taken at 1,200 points along and around the tube surface. A)Tj T* (detailed test report is ready in less than 15 minutes.)Tj /F2 1 Tf 0 -2.4 TD 0.025 Tw (The DR10 test report provides a 3-D profile of the deposit distribution on the)Tj 0 -1.2 TD (tube surface.)Tj /F1 1 Tf 5.628 0 TD 0.0222 Tw (The software automatically detects and reports the Standard Spot value)Tj -5.628 -1.2 TD (which is the mean deposit thickness of the thickest 2.5 mm)Tj 5 0 0 5 275.5494 152.665 Tm 0 Tc 0 Tw (2)Tj 10 0 0 10 280.2098 148.9462 Tm -0.0001 Tc 0.0222 Tw (area as defined in ASTM)Tj -21.1745 -1.2 TD (D3241. The average and the maximum thickness deposit values, as well as the calculated)Tj T* [(total deposit volume are reported. For complete test traceability)54.8(, the DR10)-443.9(report is tagged)]TJ T* (with the heater tube serial number picture taken by the built-in camera.)Tj /TT2 1 Tf -0.0845 -3.3146 TD 0.0277 Tw [(DC Scientific,)-265.9(Inc.)]TJ /F3 1 Tf 0 -1.6 TD 0 Tw (dcscientific.com)Tj T* (sales@dcscientific.com)Tj T* (800-379-8493)Tj /F1 1 Tf 14 0 0 14 407.5 400.5667 Tm (Applications)Tj 10 0 0 10 407.5 386.7667 Tm 0.0222 Tw (The DR10 is an extremely useful measurement)Tj 0 -1.2 TD (tool for fuel research programs providing)Tj T* (unique information on fuel deposit behavior at)Tj T* (different oxidation temperatures and for the)Tj T* [(evaluation of anti-fouling additives efficiency)54.9(. )]TJ 0 -2.4 TD (The DR10 is a versatile instrument for research)Tj 0 -1.2 TD [(and routine applications at ever)-17.9(y location)]TJ T* (where thermal oxidation of turbine fuels is )Tj T* 0 Tw (evaluated:)Tj 0 -1.8399 TD 0.0222 Tw ( Refineries)Tj 0 -1.2 TD [( Pipelines and T)73.9(e)0.1(rminals)]TJ T* ( Airports)Tj T* [( Militar)-17.9(y)]TJ T* ( Research and Development)Tj T* ( Independent Laboratories)Tj T* ( Aircraft Engine Manufacturers)Tj 14 0 0 14 407.5 161.3678 Tm 0 Tw (Benefits)Tj 10 0 0 10 407.5 147.5678 Tm 0.0222 Tw ( Absolute measurement of deposit thickness)Tj T* ( Quick, accurate and objective rating)Tj T* ( Push-button operation)Tj T* [( V)17.7(e)0.1(r)-17.9(y)0( compact design)]TJ T* ( Rigid construction)Tj 9 0 1.913 9 407.5 64.3181 Tm (Note: Specifications subject to change.)Tj ET 1 1 1 scn 376 423.417 218.167 189.916 re f Q q 1 i 0 792 612 -792 re W n 0 792.06 612 -792 re W n q 206.525894 0 0 187.189407 376 426.143616 cm /Im2 Do Q Q endstream endobj 14 0 obj<> endobj 15 0 obj<> endobj 16 0 obj<> endobj 17 0 obj<>stream HyTSwoɞc [5laQIBHADED2mtFOE.c}088GNg9w߽ '0 ֠Jb 2y.-;!KZ ^i"L0- @8(r;q7Ly&Qq4j|9 V)gB0iW8#8wթ8_٥ʨQQj@&A)/g>'K t;\ ӥ$պFZUn(4T%)뫔0C&Zi8bxEB;Pӓ̹Aom?W= x- [ 0}y)7ta>jT7@tܛ`q2ʀ&6ZLĄ?_yxg)˔zçLU*uSkSeO4?c. 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