1 AIT Asian Institute of Technology

A experimental and financial study of chilled water storage

AuthorAhmed, Naseer
Call NumberAIT RSPR no. ET-90-6
Subject(s)Heat storage
NoteA research study (12 credits) submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development
PublisherAsian Institute of Technology
AbstractThis study presents a review of cool storage which is a relatively new technology for building energy management. Such systems have the potential to reduce the overall cost of cooling for residential customers by shifting all or part of the electric load occurring during peak- demand periods to off-peak periods, thus lowering the total electric bill where time-of-day (TOD ) rates exist. Thermal performance of a model scale chilled water storage, installed with membrane anti-blending device , has also been evaluated. The parameters chosen for performance evaluation were thermal efficiency and figure of merit ( FOM ) . The thermalĀ· efficiency and figure of merit were found to be 71.4% and 61.9% for this storage. A simple model for a conventional chiller operation and a rescheduled operation incorporating a chilled water storage to avoid the low load operation at night has been developed. The economic analysis of this rescheduled operation indicate that the payback period for investment in chilled water storage system is about 2 years. The internal rate of return (IRR ) i s estimated to be 48.77%.
Year1990
TypeResearch Study Project Report (RSPR)
SchoolSchool of Environment, Resources, and Development (SERD)
DepartmentOther Field of Studies (No Department)
Academic Program/FoSEnergy Technology (ET)
Chairperson(s)Bhattacharya, Sribas C.
Examination Committee(s)Surapong Chiraratananon ;Bo, Khin
Scholarship Donor(s)The Royal Netherlands Government
DegreeResearch Studies Project Report (M. Eng.) - Asian Institute of Technology, 1990


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