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TECHNICAL MEMORANDUM NO. 1687
Concepts NREC Project No. 10515
Prepared for: Xeca Turbo Technologies (Beijing) Co., Ltd. on behalf of
China North Engine Research Institute
Project Director: Louis M. Larosiliere
Project Manager: Nick C. Baines
By: Nick C. Baines
January 29, 2013
TWO-STAGE TURBOCHARGER DETAIL DESIGN REVIEW
PART 2
Corporate Headquarters: Boston Office:
217 Billings Farm Road 285 Billerica Road, Suite 102
White River Jct., VT 05001-9486 USA Chelmsford, MA 01824-4174 USA
Tel: (802) 296-2321 Fax: (802) 296-2325 sales@ Tel: (781) 935-9050 Fax: (978) 596-0622
TECHNICAL MEMORANDUM NO. 1687
TWO-STAGE TURBOCHARGER DETAIL DESIGN REVIEW
PART 2
TABLE OF CONTENTS
EXECUTIVE SUMMARY III
1.0 INTRODUCTION 1
2.0 SUMMARY AND CONCLUSIONS OF PREVIOUS MATCHING ANALYSIS 1
3.0 COMPRESSOR PERFORMANCE MODELLING 1
4.0 LOW-PRESSURE TURBINE RESIZING 2
5.0 LOW-PRESSURE COMPRESSOR FLOW CUT 2
6.0 HIGH-PRESSURE COMPRESSOR AND TURBINE 3
7.0 REDESIGN OF THE LP TURBINE 3
8.0 CONCLUSIONS AND RECOMMENDATIONS 3
TABLES
TABLE I. SUMMARY OF RESULTS 5
FIGURES
Figure 1. LP compressor map showing matched points 9
Figure 2. HP compressor map showing matched points10
Fi
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