{"id":29733,"date":"2024-10-17T03:20:41","date_gmt":"2024-10-17T03:20:41","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-ptc-19-3-tw-10\/"},"modified":"2024-10-24T14:14:12","modified_gmt":"2024-10-24T14:14:12","slug":"asme-ptc-19-3-tw-10","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-ptc-19-3-tw-10\/","title":{"rendered":"ASME PTC 19.3 TW 10"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
5<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | FOREWORD ACKNOWLEDGMENTS <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | COMMITTEE ROSTER <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | CORRESPONDENCE WITH THE PTC COMMITTEE <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Section 1 Object and Scope 1- 1 OBJECT 1- 2 SCOPE <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Section 2 Nomenclature <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Section 3 Jurisdiction of Codes 3- 1 REFERENCE STANDARDS AND GOVERNING CODES 3- 2 SPECIFICATION OF THERMOWELLS <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Section 4 Dimensions 4- 1 CONFIGURATIONS 4- 2 DIMENSIONAL LIMITS <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | FIGURES Fig. 4-1-1 Schematic Diagram of a Thermow <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | Fig. 4-1-2 Examples of Straight-Shank Thermowells TABLES Table 4-1-1 Dimensional Limits for Straight and Tapered Thermowells Within the Scope of This Standard <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Fig. 4-1-3 Examples of Step-Shank Thermowells Table 4-2-1 Dimensional Limits for Step-Shank Thermowells Within the Scope of This Standard <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | Fig. 4-1-4 Examples of Tapered Thermowells <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Section 5 Materials 5- 1 GENERAL CONSIDERATIONS <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Section 6 Stress Equations 6- 1 GENERAL CONSIDERATIONS 6- 2 CORROSION AND EROSION <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 6- 3 FLOW- INDUCED THERMOWELL STRESSES Fig. 6-3.1-1 Fluid-Induced Forces and Assignment of Axesfor Calculation of Thermowell Stresses <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 6- 4 STROUHAL NUMBER, DRAG COEFFICIENTS, AND LIFT COEFFICIENT <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 6- 5 NATURAL FREQUENCY OF THERMOWELLS <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Table 6- 5.3- 1 Parameters for Natural Frequency Calculation for Step- Shank Thermowells 6- 6 MOUNTING COMPLIANCE FACTOR Table 6-5.3-1 Parameters for Natural FrequencyCalculation for Step-Shank Thermowells <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 6- 7 UNSUPPORTED LENGTH, DIAMETER, AND FILLET RADIUS <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | Fig. 6-6-1 Unsupported Length of Thermowells <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | 6- 8 FREQUENCY LIMIT <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Fig. 6-8.1-1 Schematic Indicating Excitation of Resonances When ExcitationFrequency Coincides With the Thermowell Natural Frequency Fig. 6-8.1-2 Schematic Showing the Amplitude Response of a Thermowell Subjected toFluid-Induced Forces as Solid Lines, for In-Line and Transverse Excitation Modes <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | 6- 8.3 Frequency Limit for the General Case 6- 8.5 Passing Through the In- Line Critical <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | 6- 9 MAGNIFICATION FACTOR 6- 10 BENDING STRESSES <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | Fig. 6-10.1-1 Bending Moment, Stress at the Support Plane,and Locations of Maximum Steady-State or Oscillating In-Line Stress <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | 6- 11 PRESSURE AND SHEAR STRESSES 6- 12 STEADY- STATE STATIC AND DYNAMIC STRESS LIMITS Fig. 6-10.7-1 Mounting of a Thermowell in an Elbow,With the Tip Facing Downstream <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | Fig. 6-10.7-2 Geometry to Be Used in Calculation ofThermowell Ratings Fig. 6-10.7-3 Mounting of a Thermowell in an Elbow,With the Tip Facing Upstream <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | Table 6-12.3-1 Allowable Fatigue-Stress Amplitude Limits for Material Class A and Class B <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | 6- 13 PRESSURE LIMIT <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | Section 7 Overview of Calculations 7- 1 QUANTITATIVE CRITERIA 7- 2 FLUID PROPERTIES 7- 3 FLUID VELOCITY 7- 4 MATERIAL PROPERTIES AND DIMENSIONS <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | 7- 5 REYNOLDS AND STROUHAL NUMBERS 7- 6 NATURAL FREQUENCY AT OPERATION TEMPERATURE 7- 7 NATURAL FREQUENCY AT EXPECTED MODE OF OPERATION 7- 8 STEADY- STATE AND DYNAMIC STRESSES 7- 9 ALLOWABLE FATIGUE LIMITS 7- 10 PRESSURE RATING <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | Section 8 Examples 8- 1 TAPERED, WELDED THERMOWELL FOR A STEAM- HEADER APPLICATION ( U. S. CUSTOMARY UNITS) <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | 8- 2 STEP- SHANK, THREADED THERMOWELL FOR A HOT WATER APPLICATION ( SI UNITS) <\/td>\n<\/tr>\n | ||||||
49<\/td>\n | Section 9 Statement of Compliance 9- 1 SPECIFICATION OF A THERMOWELL 9- 2 VELOCITY AND PRESSURE RATINGS <\/td>\n<\/tr>\n | ||||||
50<\/td>\n | Section 10 References 10- 1 REFERENCED DOCUMENTS 10- 2 REFERENCED ASME DOCUMENTS <\/td>\n<\/tr>\n | ||||||
51<\/td>\n | NONMANDATORY APPENDIX A CONVERSION FACTORS <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ASME PTC 19.3 Thermowells <\/b><\/p>\n |