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Archive for July, 2008

Guide to Combined Heat and Power Systems for Boiler Owners and Operators

by @ Wednesday, July 30th, 2008. Filed under Mechanical engineering

File : pdf, 2.98 MB, 207 pages
TOC
1. INTRODUCTION
1.1 SCOPE AND OBJECTIVES
1.2 APPROACH
1.3 COGENERATION OPPORTUNITIES
1.4 RERENCES
2. COGENERATION TECHNOLOGY ISSUES
2.1 TECHNOLOGY DESCRIPTION
2.2 NATIONAL ENERGY ACTS
2.3 ENVIRONMENTAL REGULATIONS
2.3.1 Clean Air Act
2.3.2 Clean Water Act
2.4 BENEFITS AND BARRIERS
3. PRIME MOVERS
3.1 STEAM TURBINES
3.1.1 Description
3.1.2 Design and Performance Characteristics
3.1.2.1 Efficiency
3.1.2.2 Capital cost
3.1.2.3 Availability
3.1.2.4 Maintenance
3.1.2.5 Heat recovery
3.1.2.6 Fuels and emissions
3.1.3 Potential Applications
3.2 [...]

Improving Fan System Performance

by @ Monday, July 28th, 2008. Filed under Mechanical engineering

File : pdf, 1.2 MB, 92 pages
TOC
Section 1: Introduction to Fan Systems
Fans
Fan Performance Curves
Fan System Components
Section 2: Performance Improvement Opportunity Roadmap
1 Assessing Fan System Needs
2 Fan Types
3 Basic Maintenance
4 Common Fan Systems Problems
5 Indications of Oversized Fans
6 System Leaks
7 Configurations to Improve Fan System Efficiency
8 Controlling Fans with Variable Loads
9 Fan Drive Options
10 Multiple-Fan Arrangements
11 [...]

Photovoltaic Power Systems

by @ Friday, July 25th, 2008. Filed under Electrical engineering, physics

File : pdf, 3.08 MB, 149 pages
CONTENT
Introduction
Methods of Achieving Objectives
Scope and Purpose of the National Electrical Code
This Guide
Longevity, Materials, and Safety
Testing and Approval
Photovoltaic Modules Module Marking
WIRING
Module Interconnections
Tracking Modules
Terminals Transition Wiring
Module Connectors
Module Connection Access
Splices
Conductor Color Codes
PV Array Ground-Fault Protection
PV Array Installation and service
Grounding Definitions
Grounding System
Size of DC Grounding Electrode Conductor
Point of Connection
Unusual Grounding Situations
Charge Controllers System [...]

Inspection and Certification of Boilers and Unfired Pressure Vessels

by @ Wednesday, July 23rd, 2008. Filed under Control and instrumentation, Mechanical engineering, physics

File : pdf, 226 KB, 67 pages
TOC
CHAPT 1 INTRODUCTION
CHAPT 2 INSPECTOR QUALIFICATIONS, CERTIFICATIONS AND LICENSES
CHAPT 3 INSPECTION AND TEST FREQUENCIES
3-1 BOILERS
3-2 UNFIRED PRESSURE VESSELS
CHAPT 4 BOILER INSPECTIONS
4-1 GUIDANCE
4-2 EXTERNAL INSPECTION OF BOILERS
4-3 INTERNAL INSPECTION OF BOILERS
4-4 BOILERS IN WET OR DRY LAY-UP
CHAPT 5 UNFIRED PRESSURE VESSEL INSPECTIONS
5-1 GUIDANCE
5-2 EXTERNAL INSPECTIONS OF UNFIRED PRESSURE VESSELS
5-3 INTERNAL [...]

Debris Control Structures Evaluation and Countermeasures

by @ Sunday, July 20th, 2008. Filed under civil engineering

File : pdf, 4.4 MB, 187 pages
TOC
CHAPT 1 – INTRODUCTION
1.1 PURPOSE
1.2 BACKGROUND
1.3 DOCUMENT ORGANIZATION
1.4 DUAL SYSTEM OF UNITS
CHAPT 2 – DEBRIS CHARACTERIZATION
2.1 DEBRIS CLASSIFICATION
2.1.1 Types of Debris
2.2 FLOW BEHAVIOR OF FLOATING DEBRIS
2.2.1 Debris Transport and Transport Mechanisms
2.2.2 Debris Jams and Debris Dams
2.2.3 Debris Accumulation
2.3 PROBLEMS ASSOCIATED WITH DEBRIS
CHAPT 3 – ESTIMATING DEBRIS QUANTITIES
3.1 INTRODUCTION
3.2 DEBRIS [...]

Inspection of Wood Beams and Trusses

by @ Friday, July 18th, 2008. Filed under civil engineering

File : pdf, 2.6 MB, 58 pages
TOC
CHAPT 1. INTRODUCTION.
1. General
1.1 Purpose
1.2 Scope
1.3 Frequency Requirements
1.4 Terminology
2. Factors to Consider
2.1 Structural Properties of Wood
2.1-A Species
2.1-B Quality
2.1-C Condition
2.2 Conditions of use
2.2-A How the Building is Used and Unusual Loading
2.2-B Age of the Building
2.2-C Exposure of Wood Element
2.3 Deterioration
2.3-A Biological
2.3-B Physical
2.3-C Chemical Damage
3. Condition Rating System
3.1 No Attention Required
3.2 [...]

A Guide to Respiratory Protection for the Asbestos Abatement Industry

by @ Wednesday, July 16th, 2008. Filed under Chemistry, biology

File : pdf, 3.86 MB, 173 pages
TOC
Part I lntroduction
Part II A Model Respiratory Protection Program for Asbestos Abatement Operations
A. Written Statement of Company Policy
B. Written Standard Operating Procedures
C. Respirator Selection
(1) Respiratory Protection Against Asbestos
(2) Respiratory Protection for Non-Abatement Operations
D. Medical Examinations
E. Worker and Supervisor Training
(1) Worker Training
(2) Supervisor Training
F. Respirator Fit Test
(1) Quantitative Fit test
(2) [...]

Hydrologic Engineering Requirements for Reservoirs

by @ Monday, July 14th, 2008. Filed under civil engineering

File : pdf, 832 KB, 115 pages
TOC
Chapt 1 Introduction
Purpose
Applicability
References
Related H&H Guidance
Chapt 2 Reservoir Purposes
Congressional Authorizations
Reservoir Purposes
Flood Control
Navigation
Hydroelectric Power
Irrigation
Municipal and Industrial Water Supply
Water Quality
Fish and Wildlife
Water Management Goals and Objectives
Chapter 3 Multiple-Purpose Reservoirs
Hydrologic Studies for Multipurpose Projects
Relative Priorities of Project Functions
Managing Competitive and Complementary Functions
Operating Concepts
Construction and Physical Operation
General Study Procedure
Chapt 4 Reservoir Systems
Introduction
System Description
Operating Objectives [...]

Electrical Power Applications for Information Technology (IT) Equipment Installation and Inspection

by @ Saturday, July 12th, 2008. Filed under Electrical engineering

File : pdf, 961 KB, 156 pages
TOC
CHAPTER 1. INTRODUCTION
Purpose
Scope
References
CHAPTER 2. FACILITY POWER SYSTEM
Dependable power system requirements
Commercial (utility) power
Power line phenomena
Power quality requirements
Power quality parameters
Detection of power line anomalies
CHAPTER 3. POWER CONDITIONING
Information technology equipment power requirements
Power line disturbances
Acceptable limits for ac power
IT protective equipment
Power distribution systems
CHAPTER 4. GROUNDING
Purpose of grounding
National electrical code (NEC) requirements [...]

Supervisory Control and Data Acquisition (SCADA) Systems

by @ Thursday, July 10th, 2008. Filed under Control and instrumentation, Electrical engineering

File : pdf, 842 KB, 94 pages
TOC
CHAPT 1. INTRODUCTION
Purpose
Scope
References
Currency
CHAPT 2.  FUNDAMENTALS OF CONTROL
General control
Discrete control
Analog control
Classes of analog controllers
Control loops
Types of controllers
CHAPT 3. SYSTEM ARCHITECTURE
General system architecture
Local control
Centralized control
Distributed control
Types of distributed control systems
Programmable logic controllers
Redundant PLCs
Safety PLCs
Recommended configurations
CHAPT 4. COMMUNICATION TECHNOLOGY
General communications
Physical media
Media standards
Communication protocols
Network topologies
Network redundancy
Network speed
CHAPT 5. RELIABILITY CONSIDERATIONS
Reliability criteria
Reliability calculations
Redundancy terminology
Availability [...]

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