{"id":29725,"date":"2024-10-17T03:20:31","date_gmt":"2024-10-17T03:20:31","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-ptc-30-91-ra05\/"},"modified":"2024-10-24T14:14:09","modified_gmt":"2024-10-24T14:14:09","slug":"asme-ptc-30-91-ra05","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-ptc-30-91-ra05\/","title":{"rendered":"ASME PTC 30 91 RA05"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
4<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Committee Roster <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 0 INTRODUCTION <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 1Object And Scope 1.1 Object 1.2 Scope 1.3 Uncertainty <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 2 Definitionsand Description of Terms 2.1 Terms <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 2.2 Letter Symbols <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 3 Guiding Principles 3.1 General 3.2 Agreements Prior to Test 3.3 Selection of Personnel 3.4 Pre-Test Uncertainty Analysis 3.5 Arrangement of Test Apparatus <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 3.6 Methods of Operation During Testing 3.7 Provisions for Equipment Inspection 3.8 Calibration of Instruments 3.9 Preliminary Testing <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 3.10 Conduct of Test 3.11 Permissible and Nonpermissible Adjustments to Test Procedures 3.12 Duration of Test 3.13 Number of Test Readings 3.14 Permissible Limits of Test Parameters <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 3.15 Degree of Constancy of Test Conditions 3.16 Causes for Rejection of Test Readings or Results 3.17 Post-testuncertainty Analysis <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 4 Instruments and Methods of Measurement 4.1 GENERAL 4.2 Measurement of Physical Dimensions 4.3 Fan Measurements 4.4 Measurement of Air Flow <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Figures 4.1 Location of Air Velocity and Temperature Measurement Points Across Fan Ring <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 4.5 Measurement Of Air-Side Pressure Differential Tables 4.1 Recommended Minimum Number of Air Velocity Measurement Points for Fan Ring Traverse <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | 4.6 Measurement of Fan Driver Power 4.2 Typical Velocity Distribution Across Fan Stack <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | 4.7 Measurement of Sound Level 4.8 Measurement of Atmospheric Pressure 4.9 Measurement of Environmental Effects 4.10 Measurement of Wind Velocity 4.11 Measurement of Air Temperatures <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | 4.12 Measurement of Ambientand Entering Air Temperatures 4.13 Measurement of Exit Air Temperature 4.14 Measurement of Process Fluid Temperatures 4.15 Measurement of Process Fluid Pressures <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | 4.16 Measurement of Process Fluid Flow Rate 4.17 Measurement of composition of Process Fluid <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | 5 Computation of Results 5.1 General 5.2 Review of Test Data and Test Conditions 5.3 Reduction of Test Data <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | 5.4 Determination of Material and Heat Balances <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | 5.5 Computation of Effective Mean Temperature Difference 5.6 Computation of Overall Heat Transfer Coefficient <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | 5.7 Determination of Air-Side Pressure Losses 5.8 Determination of Process Fluid Pressure Losses <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | 5.9 Adjustments of Test Data to Design Conditions <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | 5.1 Values of Ftr for EQ. (5.38) <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | 5.1 MeanTemperature Difference Relationships – Crossflow Unit – 1 Tube Row, Unmixed <\/td>\n<\/tr>\n | ||||||
42<\/td>\n | 5.2 Mean Temperature Difference Relationships Crossflow Unit – 2 Tube Rows, 1 Pass, Unmixed <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | 5.3 Mean Temperature Difference Relationships Crossflow Unit – 3 Tube Rows, 1 Pass, Unmixed <\/td>\n<\/tr>\n | ||||||
44<\/td>\n | 5.4 Mean Temperature Difference Relationships Crossflow Unit – 4 Tube Rows, 1 Pass, Unmixed <\/td>\n<\/tr>\n | ||||||
45<\/td>\n | 5.5 Mean Temperature Difference Relationships Crossflow Unit – 2 Tube Rows, 2 Passes, Unmixed Between Passes <\/td>\n<\/tr>\n | ||||||
46<\/td>\n | 5.6 Mean Temperature Difference Relationships Crossflow Unit – 3 Tube Rows, 3 Passes,Unmixed Between Passes <\/td>\n<\/tr>\n | ||||||
47<\/td>\n | 5.7 Mean Temperature Difference Relationships Crossflow Unit – 4 Tube Rows, 4 Passes, Unmixed Between Passes <\/td>\n<\/tr>\n | ||||||
48<\/td>\n | 5.8 Mean Temperature Difference Relationships Crossflow Unit – 4 Tube Rows in 2 Passes, 2 Tube Rows Per Pass, Mixed at t <\/td>\n<\/tr>\n | ||||||
49<\/td>\n | 5.9 Schematic Of Process Fluid Piping <\/td>\n<\/tr>\n | ||||||
50<\/td>\n | 5.10 Fin Efficiency of Several Types of Straight Fins <\/td>\n<\/tr>\n | ||||||
51<\/td>\n | 5.11 Efficiency Curves for Four Types of Spine Fins <\/td>\n<\/tr>\n | ||||||
52<\/td>\n | 5.12 Efficiency of Annular Fins of Constant Thickness <\/td>\n<\/tr>\n | ||||||
53<\/td>\n | 5.13 Efficiency of Annular Fins With Constant Metal Area for Heatflow <\/td>\n<\/tr>\n | ||||||
54<\/td>\n | 6 Report of Results 6.1 Composition of Report <\/td>\n<\/tr>\n | ||||||
55<\/td>\n | 6.2 Report Data <\/td>\n<\/tr>\n | ||||||
56<\/td>\n | Appendices A – Testing Guidelines <\/td>\n<\/tr>\n | ||||||
58<\/td>\n | B – Example <\/td>\n<\/tr>\n | ||||||
64<\/td>\n | C – Example Uncertainty Analysis <\/td>\n<\/tr>\n | ||||||
67<\/td>\n | Tables C.1a Sensitivity Factors for Uncertainty Analysis <\/td>\n<\/tr>\n | ||||||
68<\/td>\n | C.1b Sensitivity Factors for Uncertainty Analysis <\/td>\n<\/tr>\n | ||||||
69<\/td>\n | C.2 Error Estimate Values for Capability <\/td>\n<\/tr>\n | ||||||
70<\/td>\n | C.3 Error Estimate Values for Capability <\/td>\n<\/tr>\n | ||||||
71<\/td>\n | C.4 Two-tailed STUDENT-t Table for The 95 Percent Confidence Level <\/td>\n<\/tr>\n | ||||||
72<\/td>\n | D – Special Considerations for Computation and Adjustment of Results <\/td>\n<\/tr>\n | ||||||
73<\/td>\n | Figures D.1 Moody-darcy Friction Factor Chart for Flow Through Plain Tubes <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | D.2a Chart for Calculating In-Tube Heat Transfer Coefficients for Water <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | D.2b Correction Factor To Fig. D.2a For Other Tube Diameters <\/td>\n<\/tr>\n | ||||||
79<\/td>\n | D.3 Two-phase Flow Friction Pressure Drop Correction Factor <\/td>\n<\/tr>\n | ||||||
80<\/td>\n | D.4 B A Function for wm for Thechaddock Method <\/td>\n<\/tr>\n | ||||||
81<\/td>\n | D.5 Colburn Correlation for Condensation on a Vertical Surface – No Vapor Shear <\/td>\n<\/tr>\n | ||||||
84<\/td>\n | E – Fouling <\/td>\n<\/tr>\n | ||||||
85<\/td>\n | F – Recirculation of Air <\/td>\n<\/tr>\n | ||||||
86<\/td>\n | G – References <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ASME PTC 30 Air Cooled Heat Exchangers <\/b><\/p>\n |