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	Taburan Rosin-Rammler	Lengkung Tromp
Bidang	Kejuruteraan Perlombongan	Kejuruteraan Perlombongan
Keluarga	Process / pipeline	Process / pipeline
Tahun asal	1933	1937
Pengasas	Paul Rosin and Erich Rammler	K. Tromp
Jenis	Empirical probability distribution for crushed material fineness	Empirical model for size classifier performance
Sumber perintis	Rosin, P., & Rammler, E. (1933). The laws governing the fineness of powdered coal. Journal of the Institute of Fuel, 7, 29-36.	Tromp, K. (1937). Separation of fine particles from slurries by hydrocyclone. Colliery Guardian, 155(4), 251-256.
Alias	Rosin-Rammler Model, RRS Distribution, Weibull Distribution (particle size)	Partition Curve, Classification Efficiency Curve, Grade Recovery Curve
Berkaitan	3	3
Ringkasan	The Rosin-Rammler Distribution, introduced by Paul Rosin and Erich Rammler in 1933, is an empirical probability distribution that describes the particle size distribution of ground or crushed materials. It characterizes fineness by two parameters: the characteristic size (d-prime) and the uniformity index (n). This distribution is remarkably accurate for mineral processing streams and is ubiquitous in comminution engineering.	The Tromp Curve, introduced by K. Tromp in 1937, is an empirical model that quantifies the performance of size classifiers (cyclones, screens, jigs) by showing the fraction of particles at each size that report to the target stream (overflow or underflow). It is universally used in mineral processing to evaluate classifier performance, design circuits, and diagnose operational problems.