ASHRAE Journal - March 2021 - 11

2021 ASHRAE TECHNOLOGY AWARDS

Knight Cancer
Research
Building
Portland, Ore.

Ned Greene, P.E., Associate Member ASHRAE
DESIGNERS OF THE OREGON HEALTH & SCIENCE
UNIVERSITY'S KNIGHT CANCER RESEARCH BUILDING used a
variety of strategies to create an energy-efficient space
in this 260,000 net ft2 (24 155 m2) building that includes
100,000 ft2 (9290 m2) of laboratory space.
To meet the owners requirement that lab spaces maintain 6 air changes per hour (ach) while occupied and 4
ach when unoccupied required a large amount of outdoor makeup air, which can be very energy intensive to
condition and distribute. The design team's solution to
increase the ventilation of the office space and reduce
reheat energy in the lab space was introducing a portion
of the makeup air into the office spaces adjacent to the labs
and using transfer fans to move the excess air from the
office space into the labs.
To ensure a safe outdoor environment around the building, lab exhaust discharge locations and velocities were
studied using wind tunnel testing. Based on actual locations of lab exhaust fans, outdoor air intakes and occupied outdoor areas, the wind study informed the design
team of the minimum discharge velocities required for
lab exhaust discharge at specific wind speeds and directions. An anemometer installed on the roof of an adjacent
building provides real-time wind speed and direction,
which is used to reset the minimum speed of the lab
exhaust fans.
These two strategies are estimated to reduce the
building's energy use intensity (EUI) by 35 kBtu/ft2·yr
(397.5 MJ/m2·yr). The building's EUI for its first year of
operation was 95 kBtu/ft2·yr (1083 MJ/m2·yr).

Oregon Health & Science University Knight Cancer Research Building.
MARCH 2021

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ASHRAE Journal - March 2021

Table of Contents for the Digital Edition of ASHRAE Journal - March 2021

Contents
ASHRAE Journal - March 2021 - Intro
ASHRAE Journal - March 2021 - Cover1
ASHRAE Journal - March 2021 - Cover2
ASHRAE Journal - March 2021 - 1
ASHRAE Journal - March 2021 - Contents
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ASHRAE Journal - March 2021 - Cover4
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