The verification process confirming delivery location accuracy and accessibility before attempting delivery, critical for last-mile efficiency in South Africa’s complex addressing environment. Address validation involves checking street addresses against mapping…
Airflow Pattern
The directional movement and circulation of air within refrigerated space, determining temperature uniformity – industry-standard designs create ±8-12°C variation by ignoring basic convection physics.
Altitude Correction Factor
The mathematical adjustment required to calculate actual refrigeration system performance at elevated locations where reduced atmospheric pressure and air density decrease cooling capacity and efficiency. At Johannesburg’s 1,750m elevation, refrigeration…
Ambient Temperature vs Controlled Temperature
The distinction between unregulated environmental conditions (ambient) and actively managed temperature environments (controlled). Ambient temperature in South Africa can range from -5°C in winter highlands to 40°C+ in summer regions,…
Attended Delivery
See: Last-Mile DeliveryDelivery service requiring recipient presence and signature confirmation at time of handover. For temperature-controlled operations, attended delivery ensures immediate transfer to customer storage, minimizing time at ambient conditions.…
Blast Freezing
A rapid freezing method that uses extremely cold air (-30°C to -40°C) circulated at high velocity to freeze products quickly. Unlike slow freezing, which forms large ice crystals that damage…
Carbon Offset (Cold Chain)
The process of compensating for greenhouse gas emissions generated by refrigeration and transport operations through verified carbon reduction projects. Cold chain logistics contribute significantly to carbon emissions through refrigerant use,…
CFC vs HFC Refrigerants
Chlorofluorocarbons (CFCs) and Hydrofluorocarbons (HFCs) are refrigerant types used in cooling systems. CFCs were phased out under the Montreal Protocol due to ozone depletion, replaced by HFCs which don’t harm…
Coefficient of Performance (COP)
The dimensionless ratio of cooling capacity (heat removed) to energy input, measuring refrigeration system efficiency. A COP of 2.5 means the system removes 2.5 kW of heat for every 1…
Cold Chain Aggregation
A logistics model that consolidates frozen and chilled goods from multiple suppliers into shared transportation and storage networks, optimizing capacity utilization and reducing costs. Rather than each supplier maintaining separate…