Scholenberg
How to Manually Calculate Chiller Capacity for Your Process
If you don’t like the idea of expert guidelines for estimating process heat loads, or just plain prefer to make your own calculations...
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Scholenberg
Dec 12, 20217 min read
Variable Primary Flow Design in Chiller
Modern DDC controllers on chillers allow the possibility of variable flow design. Traditional thinking has been that the chiller should...
298 views0 comments
Scholenberg
Dec 12, 20212 min read
Minimum Chilled Water Volume in Chillers
The volume of chilled water in the chilled water system acts as a damper and smoothes out the effects due to load change. Process loads...
539 views0 comments
Scholenberg
Dec 12, 20215 min read
Process Applications in HVAC
Process applications can place unique demands on chiller plants. All parties involved in a process application should be fully aware that...
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Scholenberg
Dec 12, 202110 min read
Low Delta T Syndrome in HVAC
Low delta T syndrome occurs when the design chilled water temperature range is not maintained. Any variable flow system can experience...
472 views0 comments
Scholenberg
Dec 12, 20218 min read
HVAC-Heat Recovery in Chillers
Chiller plants collect all the energy released in the building. In addition, there is an additional 25% more energy from the chillers...
119 views0 comments
Scholenberg
Dec 12, 20217 min read
HVAC-Waterside Free Cooling
Some HVAC systems, such as fan coils, can require chilled water year-round. Where the weather allows, waterside free cooling can avoid...
99 views0 comments
Scholenberg
Dec 12, 202112 min read
HVAC- Primary Secondary Systems
For large chillers or where more than two chillers are anticipated a primary-secondary (also called decoupled) piping system is often...
1,025 views0 comments
Scholenberg
Dec 12, 20217 min read
HVAC Chiller Arrangement- Series
Series chillers are another method of operating more than one chiller in a plant. This design concept resolves the mixed flow issues...
75 views0 comments
Scholenberg
Dec 11, 20214 min read
Parallel Chiller System
To provide some redundancy in the HVAC design, most designers will require two or more chillers. Multiple chillers also offer the...
884 views0 comments
Scholenberg
Dec 11, 20213 min read
Single Chiller System
Single chiller systems are the easiest to design and operate but are also the least efficient chiller plant design for buildings....
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Scholenberg
Dec 11, 20214 min read
HVAC Mechanical Room Safety
Chillers represent large, powerful machines filled with refrigerants. When chillers are placed in confined spaces, care must be exercised...
109 views0 comments
Scholenberg
Dec 7, 20215 min read
Dual Compressor and VFD Chillers
The unique performance of both Daikin Applied dual compressor and variable frequency drive chillers affect the chiller plant design....
72 views0 comments
Scholenberg
Dec 6, 20217 min read
DESIGN OF AIR COOLED CHILLERS
The choice of chiller type and chiller plant design are inherently linked. Different chiller types have different strengths and by...
266 views1 comment
Scholenberg
Dec 1, 20215 min read
Relation between Water Temperatures ranges in Chillers
The selection of temperature ranges can affect the chiller plant operation and energy usage. The limiting temperatures are the required...
35 views0 comments
Scholenberg
Nov 30, 202128 min read
HVAC SYSTEM SELECTION
Figure 1 shows a basic chilled water system with connected loads. The system consists of a chiller, cooling tower, building cooling load,...
143 views1 comment
Scholenberg
Oct 7, 20213 min read
Will Rs 1 crore be enough to take care of all needs after 15 years?
Typically, many investors want to create a corpus of Rs 1 crore after a decade or more. In some cases, the corpus is to take care of...
41 views0 comments
Scholenberg
Oct 3, 20217 min read
HVAC - Principles & Functions
Air conditioning is the process whereby the condition of Air, as defined by its temperature and moisture content, is changed. In...
65 views0 comments
Scholenberg
Sep 26, 202113 min read
Expansion Tank Design for Chilled water System
Section 1.0: Introduction An expansion tank is used in a chilled water system to accomplish three main tasks, (1) accommodate thermal...
948 views0 comments
Scholenberg
May 7, 20213 min read
NEWTON'S FIRST LAW IN DAILY LIFE
SIR ISSAC NEWTON, (born January 4,1643) in Woolsthorpe, England - (died March 31,1727) in London, England. He was an English Physicist...
126 views0 comments
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