Standard Test Method for Capture and Containment Performance of Commercial Kitchen Exhaust Ventilation Systems
Threshold of Capture and Containment—This test method describes flow visualization techniques that are used to determine the threshold of capture and containment (C&C) for idle and specified heavy cooking conditions. The threshold of C&C can be used to estimate minimum flow rates for hood/appliance systems.
Parametric Studies—This test method also can be used to conduct parametric studies of alternative configurations of hoods, appliances, and replacement air systems. In general, these studies are conducted by holding constant all configuration and operational variables except the variable of interest. This test method, therefore, can be used to evaluate the following:
The overall system performance with various appliances, while holding the hood and replacement air system characteristics constant.
Entire hoods or characteristics of a single hood, such as end panels, can be varied with appliances and replacement air constant.
Replacement air characteristics, such as make-up air location, direction, and volume, can be varied with constant appliance and hood variables.
1.1 Characterization of capture and containment performance of hood, appliance(s), and replacement air system during cooking and non-cooking conditions (idle):
1.2 Parametric evaluation of operational or design variations in appliances, hoods, or replacement air configurations.
1.3 The test method to determine heat gain to space from commercial kitchen ventilation/appliance systems has been re-designated as Test Method F2474.
1.4 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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